30 datasets found
  1. Land Use/Land Cover of New Jersey 2002 (Download)

    • hub.arcgis.com
    • opendata.rcmrd.org
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    Updated Jan 1, 2007
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    NJDEP Bureau of GIS (2007). Land Use/Land Cover of New Jersey 2002 (Download) [Dataset]. https://hub.arcgis.com/documents/4f70566eab604aacb3ecae4bbf15beaf
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    Dataset updated
    Jan 1, 2007
    Dataset provided by
    New Jersey Department of Environmental Protectionhttp://www.nj.gov/dep/
    Authors
    NJDEP Bureau of GIS
    Area covered
    New Jersey
    Description

    The data was created by comparing the 1995/97 land use/land cover (LU/LC) layer from NJ DEP's geographical information systems (GIS) database to 2002 color infrared (CIR) imagery and delineating areas of change. Work for this data set was done by Aerial Information Systems, Inc., Redlands, CA, under direction of the New Jersey Department of Environmental Protection (NJDEP), Bureau of Geographic Information System (BGIS). LU/LC changes were captured by adding new line work and attribute data for the 2002 land use directly to the base data layer. All 1986 LU/LC polygons and attribute fields were removed from this update, however, all 1995/97 LU/LC polygons remain in this data set, so change analysis can be undertaken from this one layer. The classification system used was a modified Anderson et al., 2002 classification system. An impervious surface (IS) code was also assigned to each LU/LC polygon based on the percentage of impervious surface within each polygon as of 2002 and 1995/97. Minimum mapping unit (MMU) is 1 acre.

  2. m

    MassDEP Wetlands Change

    • gis.data.mass.gov
    • czm-moris-mass-eoeea.hub.arcgis.com
    • +1more
    Updated May 20, 2015
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    MassGIS - Bureau of Geographic Information (2015). MassDEP Wetlands Change [Dataset]. https://gis.data.mass.gov/maps/massgis::massdep-wetlands-change/about
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    Dataset updated
    May 20, 2015
    Dataset authored and provided by
    MassGIS - Bureau of Geographic Information
    Area covered
    Description

    The MassDEP Wetlands Change layer contains polygon features identified as being a wetland change area based on one of the following MassGIS color ortho imagery (aerial photography) products: 2001-2003, 2005, 2008-2009 and 2011-2012. The attribute codes in the polygon layer describe different types of wetland environments and different types of reasons for the wetlands change.More details...Feature service also available.MassDEP Application

  3. Impervious Surface of New Jersey from Land Use/Land Cover 2002 Update...

    • opendata.rcmrd.org
    • njogis-newjersey.opendata.arcgis.com
    • +2more
    Updated Jan 1, 2007
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    NJDEP Bureau of GIS (2007). Impervious Surface of New Jersey from Land Use/Land Cover 2002 Update (Download) [Dataset]. https://opendata.rcmrd.org/documents/f7d63f0fd4524d5784ec18dcfadffbb6
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    Dataset updated
    Jan 1, 2007
    Dataset provided by
    New Jersey Department of Environmental Protectionhttp://www.nj.gov/dep/
    Authors
    NJDEP Bureau of GIS
    Area covered
    New Jersey
    Description

    The Impervious Surface layer is taken from the Land Use 2002 data set. What is meant by impervious surface is material such as concrete and asphalt that comprise roadways, parking areas, sidewalks and buildings. As the land use/land cover of each polygon was mapped from 2002 aerial photography, a visual estimate was also made of the amount of impervious surface in each. This estimate was recorded as a percentage of the total polygon area, in 5% increments, which are depicted here. These percentages can be used to determine the total acreage of impervious surface in any area of interest as of Spring, 2002. The data was extracted from the 2002 Land Use/Land Cover Update. The data was created by comparing the 1995/97 land use/land cover (LU/LC) layer from NJ DEP's geographical information systems (GIS) database to 2002 color infrared (CIR) imagery and delineating areas of change. Work for this data set was done by Aerial Information Systems, Inc., Redlands, CA, under direction of the New Jersey Department of Environmental Protection (NJDEP), Bureau of Geographic Information System (BGIS). LU/LC changes were captured by adding new line work and attribute data for the 2002 land use directly to the base data layer. All 1986 LU/LC polygons and attribute fields were removed from this update, however, all 1995/97 LU/LC polygons remain in this data set, so change analysis can be undertaken from this one layer. The classification system used was a modified Anderson et al., 2002 classification system. An impervious surface (IS) code was also assigned to each LU/LC polygon based on the percentage of impervious surface within each polygon as of 2002 and 1995/97. Minimum mapping unit (MMU) is 1 acre.

  4. a

    Full Range Heat Anomalies - USA 2022

    • hub.arcgis.com
    • giscommons-countyplanning.opendata.arcgis.com
    Updated Mar 11, 2023
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    The Trust for Public Land (2023). Full Range Heat Anomalies - USA 2022 [Dataset]. https://hub.arcgis.com/datasets/26b8ebf70dfc46c7a5eb099a2380ee1d
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    Dataset updated
    Mar 11, 2023
    Dataset authored and provided by
    The Trust for Public Land
    Area covered
    Description

    Notice: this is not the latest Heat Island Anomalies image service.This layer contains the relative degrees Fahrenheit difference between any given pixel and the mean heat value for the city in which it is located, for every city in the contiguous United States, Alaska, Hawaii, and Puerto Rico. This 30-meter raster was derived from Landsat 8 imagery band 10 (ground-level thermal sensor) from the summer of 2022, with patching from summer of 2021 where necessary.Federal statistics over a 30-year period show extreme heat is the leading cause of weather-related deaths in the United States. Extreme heat exacerbated by urban heat islands can lead to increased respiratory difficulties, heat exhaustion, and heat stroke. These heat impacts significantly affect the most vulnerable—children, the elderly, and those with preexisting conditions.The purpose of this layer is to show where certain areas of cities are hotter or cooler than the average temperature for that same city as a whole. This dataset represents a snapshot in time. It will be updated yearly, but is static between updates. It does not take into account changes in heat during a single day, for example, from building shadows moving. The thermal readings detected by the Landsat 8 sensor are surface-level, whether that surface is the ground or the top of a building. Although there is strong correlation between surface temperature and air temperature, they are not the same. We believe that this is useful at the national level, and for cities that don’t have the ability to conduct their own hyper local temperature survey. Where local data is available, it may be more accurate than this dataset. Dataset SummaryThis dataset was developed using proprietary Python code developed at The Trust for Public Land, running on the Descartes Labs platform through the Descartes Labs API for Python. The Descartes Labs platform allows for extremely fast retrieval and processing of imagery, which makes it possible to produce heat island data for all cities in the United States in a relatively short amount of time.In order to click on the image service and see the raw pixel values in a map viewer, you must be signed in to ArcGIS Online, then Enable Pop-Ups and Configure Pop-Ups.Using the Urban Heat Island (UHI) Image ServicesThe data is made available as an image service. There is a processing template applied that supplies the yellow-to-red or blue-to-red color ramp, but once this processing template is removed (you can do this in ArcGIS Pro or ArcGIS Desktop, or in QGIS), the actual data values come through the service and can be used directly in a geoprocessing tool (for example, to extract an area of interest). Following are instructions for doing this in Pro.In ArcGIS Pro, in a Map view, in the Catalog window, click on Portal. In the Portal window, click on the far-right icon representing Living Atlas. Search on the acronyms “tpl” and “uhi”. The results returned will be the UHI image services. Right click on a result and select “Add to current map” from the context menu. When the image service is added to the map, right-click on it in the map view, and select Properties. In the Properties window, select Processing Templates. On the drop-down menu at the top of the window, the default Processing Template is either a yellow-to-red ramp or a blue-to-red ramp. Click the drop-down, and select “None”, then “OK”. Now you will have the actual pixel values displayed in the map, and available to any geoprocessing tool that takes a raster as input. Below is a screenshot of ArcGIS Pro with a UHI image service loaded, color ramp removed, and symbology changed back to a yellow-to-red ramp (a classified renderer can also be used): A typical operation at this point is to clip out your area of interest. To do this, add your polygon shapefile or feature class to the map view, and use the Clip Raster tool to export your area of interest as a geoTIFF raster (file extension ".tif"). In the environments tab for the Clip Raster tool, click the dropdown for "Extent" and select "Same as Layer:", and select the name of your polygon. If you then need to convert the output raster to a polygon shapefile or feature class, run the Raster to Polygon tool, and select "Value" as the field.Other Sources of Heat Island InformationPlease see these websites for valuable information on heat islands and to learn about exciting new heat island research being led by scientists across the country:EPA’s Heat Island Resource CenterDr. Ladd Keith, University of ArizonaDr. Ben McMahan, University of Arizona Dr. Jeremy Hoffman, Science Museum of Virginia Dr. Hunter Jones, NOAA Daphne Lundi, Senior Policy Advisor, NYC Mayor's Office of Recovery and ResiliencyDisclaimer/FeedbackWith nearly 14,000 cities represented, checking each city's heat island raster for quality assurance would be prohibitively time-consuming, so The Trust for Public Land checked a statistically significant sample size for data quality. The sample passed all quality checks, with about 98.5% of the output cities error-free, but there could be instances where the user finds errors in the data. These errors will most likely take the form of a line of discontinuity where there is no city boundary; this type of error is caused by large temperature differences in two adjacent Landsat scenes, so the discontinuity occurs along scene boundaries (see figure below). The Trust for Public Land would appreciate feedback on these errors so that version 2 of the national UHI dataset can be improved. Contact Dale.Watt@tpl.org with feedback.

  5. H

    Data from: Land Use Land Cover (LULC)

    • opendata.hawaii.gov
    • geoportal.hawaii.gov
    • +3more
    Updated Jun 1, 2024
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    Office of Planning (2024). Land Use Land Cover (LULC) [Dataset]. https://opendata.hawaii.gov/dataset/land-use-land-cover-lulc
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    pdf, arcgis geoservices rest api, geojson, kml, html, zip, csv, ogc wms, ogc wfsAvailable download formats
    Dataset updated
    Jun 1, 2024
    Dataset provided by
    Hawaii Statewide GIS Program
    Authors
    Office of Planning
    Description

    [Metadata] Description: Land Use Land Cover of main Hawaiian Islands as of 1976

    Source: 1:100,000 1976 Digital GIRAS (Geographic Information Retrieval and Analysis) files.

    Land Use and Land Cover (LULC) data consists of historical land use and land cover classification data that was based primarily on the manual interpretation of 1970's and 1980's aerial photography. Secondary sources included land use maps and surveys. There are 21 possible categories of cover type. The spatial resolution for all LULC files will depend on the format and feature type. Files in GIRAS format will have a minimum polygon area of 10 acres (4 hectares) with a minimum width of 660 feet (200 meters) for manmade features. Non-urban or natural features have a minimum polygon area of 40 acres (16 hectares) with a minimum width of 1320 feet (400 meters). Files in CTG format will have a resolution of 30 meters.

    May 2024: Hawaii Statewide GIS Program staff removed extraneous fields that had been added as part of the 2016 GIS database conversion and were no longer needed.

    For additional information, please refer to https://files.hawaii.gov/dbedt/op/gis/data/lulc.pdf or contact Hawaii Statewide GIS Program, Office of Planning and Sustainable Development, State of Hawaii; PO Box 2359, Honolulu, HI 96804; (808) 587-2846; email: gis@hawaii.gov; Website: https://planning.hawaii.gov/gis.

  6. Land Use/Land Cover of New Jersey 2007 Generalized (Download)

    • opendata.rcmrd.org
    • hub.arcgis.com
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    Updated May 25, 2010
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    NJDEP Bureau of GIS (2010). Land Use/Land Cover of New Jersey 2007 Generalized (Download) [Dataset]. https://opendata.rcmrd.org/documents/210ec83878204d1ab3dd4f8fcfb00c7b
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    Dataset updated
    May 25, 2010
    Dataset provided by
    New Jersey Department of Environmental Protectionhttp://www.nj.gov/dep/
    Authors
    NJDEP Bureau of GIS
    Area covered
    New Jersey
    Description

    Please note that this file is large, ~450 MB, and may take a substantial amount of time to download especially on slower internet connections.Shapefile (NJ State Plane NAD 1983) download: Click "Open" or Click hereFile Geodatabase (NJ State Plane NAD 1983) download: Click hereThis data represents a "generalized" version of the 2007 LULC. To improve the performance of the web applications displaying the 2002 land use data, it was necessary to create a new simplified layer that included only the minimum number of polygons and attributes needed to represent the 2002 land use conditions. The 2007 LU/LC data set is the fourth in a series of land use mapping efforts that was begun in 1986. Revisions and additions to the initial baseline layer were done in subsequent years from imagery captured in 1995/97, 2002 and 2007. This present 2007 update was created by comparing the 2002 LU/LC layer from NJ DEP's Geographical Information Systems (GIS) database to 2007 color infrared (CIR) imagery and delineating and coding areas of change. Work for this data set was done by Aerial Information Systems, Inc., Redlands, CA, under direction of the New Jersey Department of Environmental Protection (NJDEP), Bureau of Geographic Information System (BGIS). LU/LC changes were captured by adding new line work and attribute data for the 2007 land use directly to the base data layer. All 2002 LU/LC polygons and attribute fields remain in this data set, so change analysis for the period 2002-2007 can be undertaken from this one layer. The classification system used was a modified Anderson et al., classification system. An impervious surface (IS) code was also assigned to each LU/LC polygon based on the percentage of impervious surface within each polygon as of 2007. Minimum mapping unit (MMU) is 1 acre. ADVISORY: This metadata file contains information for the 2007Land Use/Land Cover (LU/LC) data sets, which were mapped by Watershed Management Area (WMA). There are additional reference documents listed in this file under Supplemental Information which should also be examined by users of these data sets. As stated in this metadata record's Use Constraints section, NJDEP makes no representations of any kind, including, but not limited to, the warranties of merchantability or fitness for a particular use, nor are any such warranties to be implied with respect to the digital data layers furnished hereunder. NJDEP assumes no responsibility to maintain them in any manner or form. By downloading this data, user agrees to the data use constraints listed within this metadata record.

  7. H

    Zoning (Hawaii County)

    • opendata.hawaii.gov
    • geoportal.hawaii.gov
    • +2more
    Updated Sep 5, 2024
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    Office of Planning (2024). Zoning (Hawaii County) [Dataset]. https://opendata.hawaii.gov/dataset/zoning-hawaii-county
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    pdf, arcgis geoservices rest api, kml, geojson, ogc wms, csv, zip, htmlAvailable download formats
    Dataset updated
    Sep 5, 2024
    Dataset provided by
    Hawaii Statewide GIS Program
    Authors
    Office of Planning
    Area covered
    Hawaii County, Hawaii
    Description

    [Metadata] Description: Hawaii County Zoning as of November 2023. Source: County of Hawaii, Planning Dept., November 8, 2023.


    Use for overlay analysis in determining approximate boundary delineation to the County of Hawaii, Zoning district classification. This Polygon feature data set was created by the County of Hawaii, Planning Department for approximate Zoning boundary location illustration use in permit reviews by the Planning Department.

    For additional information, please refer to complete metadata at https://files.hawaii.gov/dbedt/op/gis/data/cty_zoning_haw.pdf or contact Hawaii Statewide GIS Program, Office of Planning and Sustainable Development, State of Hawaii; PO Box 2359, Honolulu, Hi. 96804; (808) 587-2846; email: gis@hawaii.gov; Website: https://planning.hawaii.gov/gis.

    The County of Hawaii, Planning Department GIS data is intended to be used as a guide for planning purposes only and should not be used for boundary interpretations or other spatial analysis beyond the limitations of the data.

    Information shown on these maps are derived from public records that are constantly undergoing change and do not replace a site survey, and is not warranted for content or accuracy. The County does not guarantee the positional or thematic accuracy of the GIS data. The GIS data or cartographic digital files are not a legal representation of any of the features in which it depicts,and disclaims any assumption of the legal status of which it represents. This digital version is not the official map therefore users are advised to contact the County of Hawaii, Planning Dept. for zoning verification.

    For more detailed metadata information, please refer to the PDF text metadata document that is distributed with the GIS data.

  8. WFIGS Interagency Fire Perimeters

    • wifire-data.sdsc.edu
    • wildfireapps-nifc.hub.arcgis.com
    • +5more
    Updated Mar 3, 2023
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    National Interagency Fire Center (2023). WFIGS Interagency Fire Perimeters [Dataset]. https://wifire-data.sdsc.edu/dataset/wfigs-interagency-fire-perimeters
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    arcgis geoservices rest api, zip, csv, kml, html, geojsonAvailable download formats
    Dataset updated
    Mar 3, 2023
    Dataset provided by
    National Interagency Fire Centerhttps://www.nifc.gov/
    Description

    This data set is part of an ongoing project to consolidate interagency fire perimeter data. Currently only certified perimeters and new perimeters captured starting in 2021 are included.
    A process for loading additional perimeters is being evaluated.


    WFIGS Logo with Text
    The Wildland Fire Interagency Geospatial Services (WFIGS) Group provides authoritative geospatial data products under the interagency Wildland Fire Data Program. Hosted in the National Interagency Fire Center ArcGIS Online Organization (The NIFC Org), WFIGS provides both internal and public facing data, accessible in a variety of formats.

    This service includes perimeters for wildland fire incidents that meet the following criteria:
    • Categorized in the IRWIN (Integrated Reporting of Wildland Fire Information) integration service as a Wildfire (WF) or Prescribed Fire (RX)
    • Is Valid and not "quarantined" in IRWIN due to potential conflicts with other records
    • Attribution of the source polygon is set to a Feature Access of Public, a Feature Status of Approved, and an Is Visible setting of Yes
    Perimeters are not available for every incident. This data set is an ongoing project with the end goal of providing a national interagency fire history feature service of best-available perimeters.

    No "fall-off" rules are applied to this service.
    The date range for this service will extend from present day back indefinitely. Data prior to 2021 will be incomplete and incorporated as an ongoing project.

    Criteria were determined by an NWCG Geospatial Subcommittee task group.

    Data are refreshed every 5 minutes. Changes in the perimeter source may take up to 15 minutes to display.
    Perimeters are pulled from multiple sources with rules in place to ensure the most current or most authoritative shape is used.

    Warning: Please refrain from repeatedly querying the service using a relative date range. This includes using the “(not) in the last” operators in a Web Map filter and any reference to CURRENT_TIMESTAMP. This type of query puts undue load on the service and may render it temporarily unavailable.

    Attributes and their definitions can be found below. More detail about the NWCG Wildland Fire Event Polygon standard can be found here.

    Attributes:
    poly_SourceOIDThe OBJECTID value of the source record in the source dataset providing the polygon.
    poly_IncidentNameThe incident name as stored in the polygon source record.
    poly_MapMethodThe mapping method with which the polygon was derived.
    poly_GISAcresThe acreage of the polygon as stored in the polygon source record.
    poly_CreateDateSystem generated date for the date time the source polygon record was created (stored in UTC).
    poly_DateCurrentSystem generated date for the date time the source polygon record was last edited (stored in UTC).
    poly_PolygonDateTimeRepresents the date time that the polygon data was captured.
    poly_IRWINIDIRWIN ID stored in the polygon record.
    poly_FORIDFORID stored in the polygon record.
    poly_Acres_AutoCalcSystem calculated acreage of the polygon (geodesic WGS84 acres).
    poly_SourceGlobalIDThe GlobalID value of the source record in the source dataset providing the polygon.
    poly_SourceThe source dataset providing the polygon.
    attr_SourceOIDThe OBJECTID value of the source record in the source dataset providing the attribution.
    attr_ABCDMiscA FireCode used by USDA FS to track and compile cost information for emergency initial attack fire suppression expenditures. for A, B, C & D

  9. H

    Geoid 12B

    • opendata.hawaii.gov
    • geoportal.hawaii.gov
    • +2more
    Updated Apr 5, 2025
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    Office of Planning (2025). Geoid 12B [Dataset]. https://opendata.hawaii.gov/dataset/geoid-12b
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    arcgis geoservices rest api, csv, html, ogc wms, kml, zip, geojson, ogc wfs, pdfAvailable download formats
    Dataset updated
    Apr 5, 2025
    Dataset provided by
    Hawaii Statewide GIS Program
    Authors
    Office of Planning
    Description

    [Metadata] Geoid 12B: Hybrid geoid model used to convert the ellipsoidal height obtained by the Global Navigation Satellite System (to the orthometric height of a specific vertical datum). The National Geodetic Survey (NGS) has been producing the hybrid geoid to convert the ellipsoidal height obtained from the Global Navigation Satellite System (GNSS) to the orthometric height of a specific vertical datum. The GEOID12B model is intended to transform between NAD 83 (2011/PA11/MA11) and the respective vertical datums for the different regions, including NAVD88, GUVD04, ASVD02, NMVD03, PRVD02 and VIVD09.


    NOAA National Geodetic Survey Dataset (Processed by Craig Clouet, Esri) Raster dataset converted to polygon, April, 2017. Units represent the difference to Height Above Ellipsoid (HAE).

    Source: National Geodetic Survey (https://geodesy.noaa.gov/GEOID/), April 2017

    Feb 2025 – per the Pacific Geodetic Advisor, Geoid12B is still the latest version of this data. Geoid18 does not apply to Hawaii or the Pacific Islands.

    For additional information, please see metadata at https://files.hawaii.gov/dbedt/op/gis/data/geoid_12b.pdf or contact Hawaii Statewide GIS Program, Office of Planning and Sustainable Development, State of Hawaii; PO Box 2359, Honolulu, Hi. 96804; Phone: (808) 587-2846; email: gis@hawaii.gov; Website: https://planning.hawaii.gov/gis.

  10. Land Use/Land Cover of New Jersey 2007 (Download)

    • opendata.rcmrd.org
    • hub.arcgis.com
    • +1more
    Updated May 25, 2010
    + more versions
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    NJDEP Bureau of GIS (2010). Land Use/Land Cover of New Jersey 2007 (Download) [Dataset]. https://opendata.rcmrd.org/documents/c24bb6cb126c472d8400307ebb620bc4
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    Dataset updated
    May 25, 2010
    Dataset provided by
    New Jersey Department of Environmental Protectionhttp://www.nj.gov/dep/
    Authors
    NJDEP Bureau of GIS
    Area covered
    New Jersey
    Description

    The 2007 LU/LC data set is the fourth in a series of land use mapping efforts that was begun in 1986. Revisions and additions to the initial baseline layer were done in subsequent years from imagery captured in 1995/97, 2002 and 2007. This present 2007 update was created by comparing the 2002 LU/LC layer from NJ DEP's Geographical Information Systems (GIS) database to 2007 color infrared (CIR) imagery and delineating and coding areas of change. Work for this data set was done by Aerial Information Systems, Inc., Redlands, CA, under direction of the New Jersey Department of Environmental Protection (NJDEP), Bureau of Geographic Information System (BGIS). LU/LC changes were captured by adding new line work and attribute data for the 2007 land use directly to the base data layer. All 2002 LU/LC polygons and attribute fields remain in this data set, so change analysis for the period 2002-2007 can be undertaken from this one layer. The classification system used was a modified Anderson et al., classification system. An impervious surface (IS) code was also assigned to each LU/LC polygon based on the percentage of impervious surface within each polygon as of 2007. Minimum mapping unit (MMU) is 1 acre. ADVISORY: This metadata file contains information for the 2007Land Use/Land Cover (LU/LC) data sets, which were mapped by Watershed Management Area (WMA). There are additional reference documents listed in this file under Supplemental Information which should also be examined by users of these data sets. As stated in this metadata record's Use Constraints section, NJDEP makes no representations of any kind, including, but not limited to, the warranties of merchantability or fitness for a particular use, nor are any such warranties to be implied with respect to the digital data layers furnished hereunder. NJDEP assumes no responsibility to maintain them in any manner or form. By downloading this data, user agrees to the data use constraints listed within this metadata record.

  11. w

    Forest Health Aerial Survey 2016

    • geo.wa.gov
    • hub.arcgis.com
    • +2more
    Updated Jul 25, 2025
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    Washington State Department of Natural Resources (2025). Forest Health Aerial Survey 2016 [Dataset]. https://geo.wa.gov/maps/71e65655b1f04c26b74d57da0157e4cd
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    Dataset updated
    Jul 25, 2025
    Dataset authored and provided by
    Washington State Department of Natural Resources
    Area covered
    Description

    Every summer for approximately the past seventy years, an insect and disease aerial detection survey has been flown of all the forested acres of Washington state (except where noted in the digital data by large 'NF' (not flown) areas). This survey is a cooperative effort between the U.S. Forest Service and the WADNR with two different flight observers each sketching a two mile swath out their side of the plane. The primary mission of the survey is to record recently killed and defoliated groups of trees throughout the state, and to continually build a historical record of these trends. The vast majority of damage found is caused by insect and disease damage agents; however, trees killed by early spring feeding of black bears or by events such as winter storms, fires, floods and landslides are recorded as well. Current defoliation can be detected as soon as the affected foliage changes color that year. However, whole tree mortality is not current since only flagged trees (i.e., trees which have a bright red, orange, or yellow foliage color) are recorded. This means that trees killed the year of the survey will not have changed color yet and so a one year lag time results. Since only this distinctive color or "signature" of the tree can be seen. It is an educated guess as to the causal agent. We therefore use ground surveys to reinforce our estimates as much as possible. Example: When bear damage is spotted while surveying, a polygon is drawn on the map of the size and location of the damage. The polygon is then labeled with the appropriate damage agent (i.e. Bear) and the number of trees affected rounded to the nearest five. No vertical data is recorded.

  12. a

    NJTPA LU

    • hub.arcgis.com
    Updated Jul 2, 2024
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    NJTPA Hub Community (2024). NJTPA LU [Dataset]. https://hub.arcgis.com/datasets/njtpa2::land-use-map-map-forum-wfl1?layer=13
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    Dataset updated
    Jul 2, 2024
    Dataset authored and provided by
    NJTPA Hub Community
    Area covered
    Description

    The 2015 LU/LC data set is the sixth in a series of land use mapping efforts that was begun in 1986. Revisions and additions to the initial baseline layer were done in subsequent years from imagery captured in 1995/97, 2002, 2007, 2012 and 2015. This present 2015 update was created by comparing the 2012 LU/LC layer from NJDEP's Geographic Information Systems (GIS) database to 2015 color infrared (CIR) imagery and delineating and coding areas of change. Work for this data set was done by Aerial Information Systems, Inc., Redlands, CA, under direction of the New Jersey Department of Environmental Protection (NJDEP), Bureau of Geographic Information System (BGIS). LU/LC changes were captured by adding new line work and attribute data for the 2015 land use directly to the base data layer. All 2012 LU/LC polygons and attribute fields remain in this data set, so change analysis for the period 2012-2015 can be undertaken from this one layer. The classification system used was a modified Anderson et al., classification system. An impervious surface (IS) code was also assigned to each LU/LC polygon based on the percentage of impervious surface within each polygon as of 2015. Minimum mapping unit (MMU) is 1 acre. ADVISORY: This metadata file contains information for the 2015 Land Use/Land Cover (LU/LC) data sets, which were mapped by USGS Subbasin (HU8). There are additional reference documents listed in this file under Supplemental Information which should also be examined by users of these data sets. As stated in this metadata record's Use Constraints section, NJDEP makes no representations of any kind, including, but not limited to, the warranties of merchantability or fitness for a particular use, nor are any such warranties to be implied with respect to the digital data layers furnished hereunder. NJDEP assumes no responsibility to maintain them in any manner or form. By downloading this data, user agrees to the data use constraints listed within this metadata record.

  13. Vegetation - Garrapata State Park [ds2945]

    • gis.data.ca.gov
    • data.cnra.ca.gov
    • +4more
    Updated Aug 27, 2021
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    California Department of Fish and Wildlife (2021). Vegetation - Garrapata State Park [ds2945] [Dataset]. https://gis.data.ca.gov/datasets/CDFW::vegetation-garrapata-state-park-ds2945/about
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    Dataset updated
    Aug 27, 2021
    Dataset authored and provided by
    California Department of Fish and Wildlifehttps://wildlife.ca.gov/
    License

    Attribution 4.0 (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
    License information was derived automatically

    Area covered
    Description

    The study area for this project was Garrapata State Park in northwestern Monterey County, California. Development of Garrapata State Park land by Spanish missionaries began in the late 1700s (Costanoan Rumsen Carmel Tribe 2001). Cattle ranching on the land began in the 1830s with land grants to ranchers, beginning a long stint of grazing on most of the land south of the Carmel River. In 1980, the state of California began purchasing parcels of land and the area was officially classified as a state park in 1985 (Garrapata State Park Monterey Sector 2003).Garrapata State Park encompasses 2,866 acres along the pacific coast, immediately south of Carmel Highlands. The area is largely dominated by steep foothills of the coastal Santa Lucia Range and is dissected by several steep creeks: Wildcat Creek, Malpaso Creek, Soberanes Creek, Doud Creek and Granite Creek. Elevation ranges from sea level to 2,011 ft atop Rocky Ridge. The park also contains an approximately 4.1-mile stretch of coastal bluff, rocky intertidal zone, and beach west of Highway. The park’s Mediterranean climate is characterized by dry summers and cool wet winters and receives approximately 28 inches of mean annual precipitation (PRISM 2012). Wildfire is a prominent disturbance in this landscape; the Soberanes Fire which began in Garrapata State Park in 2016 was one of the largest fires recorded in California history, burning 132,127 acres (CAL Fire 2016).The National Vegetation Classification System allows vegetation to be mapped at three broad levels— physiognomy, biogeography, and floristics—each of which can be broken down into multiple sublevels (USNVC 2020). Floristic-level mapping provides the finest resolution and is the only level to reflect local environmental conditions. Such fine-scale data resolution helps establish a more precise inventory of native and non-native vegetation communities, which benefits land managers interested in protecting valued natural resources, monitoring fuel loads for fire management, and understanding habitat requirements of wildlife. We attempted to map vegetation communities to the alliance sublevel, which is the broadest sublevel at the floristic level of mapping. We did not attempt to map associations, which occur at the level below alliances.Vegetation community mapping comprised preliminary delineation of somewhat homogeneous vegetation stands, field-based classification of alliances and other mapping units, and quality assurance. We first estimated the boundaries of stands using aerial and satellite-derived orthoimagery which were later classified through field observations. Most of the stands we mapped were conformant with previously defined alliances. Non-conformant stands were classified within novel mapping units, defined in Appendix B. We also used novel mapping units for two situations where the exact alliance could not be readily determined in fall; these classes were “Willows” and “Unidentified annual grasses”.We examined aerial and satellite imagery to initially digitize polygons around areas where vegetation looked homogenous and distinct from surrounding areas. We used a mosaic of natural color (red, green, blue [RGB] band) and color infrared (CIR) National Agriculture Imagery Program (NAIP) orthophotos to conduct initial digitizing of vegetation alliance polygons. Polygons were delineated based on areas of visible homogeneity within the landscape; breaks or abrupt changes in color, structure, or relative height of vegetation usually indicated the need to create separate vegetation community polygons. We established minimum mapping units (MMUs) of 0.25 acres for common mapping units and 0.1 acres for uncommon classes, to maximize the level of detail conveyed in vegetation maps given time constraints and clarity of aerial and satellite imagery. The status of each vegetation community polygon was indicated as “unconfirmed” until field crews verified whether initial delineations were correct.Polygons were classified based on the dominant species composition of each polygon. Classification rules were based on rules provided by CNPS, and where rules contradicted each other, we adopted a rule based on either the most recent or the most locally relevant CNPS-listed rule. Most rules were based on the percent cover of the tallest stratum of vegetation. Rules for novel mapping units were that the nominate dominant species should have 50% relative cover.The vegetation map was prepared for publication in California Department of Fish and Wildlife's Biogeographic Information and Observation System by staff from the Vegetation Classification and Mapping Program.

  14. Impervious Surface of New Jersey from Land Use/Land Cover 2012 Update...

    • hub.arcgis.com
    • njogis-newjersey.opendata.arcgis.com
    • +1more
    Updated Feb 17, 2015
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    NJDEP Bureau of GIS (2015). Impervious Surface of New Jersey from Land Use/Land Cover 2012 Update (Download) [Dataset]. https://hub.arcgis.com/documents/7471a42f971e473bbe6e483a4d01e1c7
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    Dataset updated
    Feb 17, 2015
    Dataset provided by
    New Jersey Department of Environmental Protectionhttp://www.nj.gov/dep/
    Authors
    NJDEP Bureau of GIS
    Area covered
    New Jersey
    Description

    The Impervious Surface layer is taken from the Land Use 2012 data set. What is meant by impervious surface is material such as concrete and asphalt that comprise roadways, parking areas, sidewalks and buildings. As the land use/land cover of each polygon was mapped from 2012 aerial photography, a visual estimate was also made of the amount of impervious surface in each. This estimate was recorded as a percentage of the total polygon area, in 5% increments, which are depicted here. These percentages can be used to determine the total acreage of impervious surface in any area of interest. The 2012 LU/LC data set is the fifth in a series of land use mapping efforts that was begun in 1986. Revisions and additions to the initial baseline layer were done in subsequent years from imagery captured in 1995/97, 2002, 2007 and 2012. This present 2012 update was created by comparing the 2007 LU/LC layer from NJDEP's Geographic Information Systems (GIS) database to 2012 color infrared (CIR) imagery and delineating and coding areas of change. Work for this data set was done by Aerial Information Systems, Inc., Redlands, CA, under direction of the New Jersey Department of Environmental Protection (NJDEP), Bureau of Geographic Information System (BGIS). LU/LC changes were captured by adding new line work and attribute data for the 2012 land use directly to the base data layer. All 2007 LU/LC polygons and attribute fields remain in this data set, so change analysis for the period 2007-2012 can be undertaken from this one layer. The classification system used was a modified Anderson et al., classification system. An impervious surface (IS) code was also assigned to each LU/LC polygon based on the percentage of impervious surface within each polygon as of 2007. Minimum mapping unit (MMU) is 1 acre. ADVISORY: This metadata file contains information for the 2012 Land Use/Land Cover (LU/LC) data sets, which were mapped by USGS Subbasin (HU8). There are additional reference documents listed in this file under Supplemental Information which should also be examined by users of these data sets. As stated in this metadata record's Use Constraints section, NJDEP makes no representations of any kind, including, but not limited to, the warranties of merchantability or fitness for a particular use, nor are any such warranties to be implied with respect to the digital data layers furnished hereunder. NJDEP assumes no responsibility to maintain them in any manner or form. By downloading this data, user agrees to the data use constraints listed within this metadata record.

  15. Textured Buildings from Footprint by Land Use

    • cartong-esriaiddev.opendata.arcgis.com
    Updated Jun 24, 2016
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    Esri (2016). Textured Buildings from Footprint by Land Use [Dataset]. https://cartong-esriaiddev.opendata.arcgis.com/items/7b8c9c8e74e24485ad17fafa8754fbe3
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    Dataset updated
    Jun 24, 2016
    Dataset authored and provided by
    Esrihttp://esri.com/
    Description

    Buildings are the foundation of any 3D city; they create a realistic visual context for understanding the built environment. This rule can help you quickly create 3D buildings using your existing 2D building footprint polygons. Create buildings for your whole city or specific areas of interest. Use the buildings for context surrounding higher-detail buildings or proposed future developments.Already have existing 3D buildings? Check out the Textured Buildings from Mass by Building Type rule.What you getA Rule Package file named Building_FromFootprint_Textured_ByLandUse.rpk Rule works with a polygon layerGet startedIn ArcGIS Pro Use this rule to create Procedural Symbols, which are 3D symbols drawn on 2D features Create 3D objects (Multipatch layer) for sharing on the webShare on the web via a Scene LayerIn CityEngine:CityEngine File Navigator HelpParametersBuilding Type: Eave_Height: Height from the ground to the eave, units controlled by the Units parameterFloor_Height: Height of each floor, units controlled by the Units parameterLand_Use: Use on the land and type of building, this helps in assigning appropriate building texturesRoof_Form: Style of the building roof (Gable, Hip, Flat, Green)Roof_Height: Height from the eave to the top of the roof, units controlled by the Units parameterDisplay:Color_Override: Setting this to True will allow you to define a specific color using the Override_Color parameter, and will disable photo-texturing.Override_Color: Allows you to specify a building color using the color palette. Note: you must change the Color_Override parameter from False to True for this parameter to take effect.Transparency: Sets the amount of transparency of the feature Units:Units: Controls the measurement units in the rule: Meters | FeetNote: You can hook up the rule parameters to attributes in your data by clicking on the database icon to the right of each rule parameter. The database icon will change to blue when the rule parameter is mapped to an attribute field. The rule will automatically connect when field names match rule parameter names. Use layer files to preserve rule configurations unique to your data.For those who want to know moreThis rule is part of a the 3D Rule Library available in the Living Atlas. Discover more 3D rules to help you perform your work.Learn more about ArcGIS Pro in the Getting to Know ArcGIS Pro lesson

  16. Land Use/Land Cover of New Jersey 2020

    • share-open-data-njtpa.hub.arcgis.com
    • hub.arcgis.com
    • +1more
    Updated Nov 1, 2024
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    NJDEP Bureau of GIS (2024). Land Use/Land Cover of New Jersey 2020 [Dataset]. https://share-open-data-njtpa.hub.arcgis.com/datasets/njdep::land-use-land-cover-of-new-jersey-2020-1
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    Dataset updated
    Nov 1, 2024
    Dataset provided by
    New Jersey Department of Environmental Protectionhttp://www.nj.gov/dep/
    Authors
    NJDEP Bureau of GIS
    Area covered
    Description

    This data set was generated through the 2020 LU/LC update mapping effort. The 2020 update is the seventh in a series of land use mapping efforts that was begun in 1986. Revisions and additions to the initial baseline layer were done in subsequent years from imagery captured in 1995/97, 2002, 2007, 2012, 2015 and now, 2020. This present 2020 update was created by comparing the 2015 LU/LC layer from NJDEP's Geographic Information Systems (GIS) database to 2020 color infrared (CIR) imagery and delineating and coding areas of change. Work for this data set was done by Aerial Information Systems, Inc., Redlands, CA, under direction of the New Jersey Department of Environmental Protection (NJDEP), Bureau of Geographic Information System (BGIS). LU/LC changes were captured by adding new line work and attribute data for the 2020 land use directly to the base data layer. All 2015 LU/LC polygons and 2015 LU/LC coding remains in this data set, so change analysis for the period 2015-2020 can be undertaken from this one layer. The mapping was done by USGS HUC8 basins, 13 of which cover portions of New Jersey. This statewide layer is composed of the final data sets generated for each HUC8 basin. Initial QA/QC was done on each HUC8 data set as it was produced with final QA/QC and basin-to-basin edgematching done on this statewide layer. The classification system used was a modified Anderson et al., classification system. Minimum mapping unit (MMU) is 1 acre for changes to non-water and non-wetland polygons. Changes to these two categories were mapped using .25 acres as the MMU. This data set, edition 20241101, is a statewide layer that includes updated land use/land cover data for all HUC8 basins in New Jersey. The polygon delineations and associated land use code assignments are considered the final versions for this mapping effort. Note, this edition includes additional attributes from the National Hydrography Database (NHD) that are specific to the waterbodies mapped in this layer, and several attributes containing impervious surface estimates for each polygon. Evaluating the NHD codes facilitates extracting the water features mapped in this layer and using them to update the New Jersey portion of the NHD. Similarly, impervious surface (IS) amounts generated from two independent projects, one of which was just completed by NOAA, have been incorporated into this base land use layer. While the NHD and IS attributes will enhance the use of this base layer in several types of analyses, this present layer can be used for doing all primary land use analyses without having those attributes evaluated. Further, evaluating these extra attributes will result in few, if any, changes to the polygon delineations and standard land use coding that are the primary features of this layer. As such, the layer is being provided in its present edition for general use. The basic land use features and codes, however, as mapped in this version of the data set will serve as the base 2020 LU/LC update. As stated in this metadata record's Use Constraints section, NJDEP makes no representations of any kind, including, but not limited to, the warranties of merchantability or fitness for a particular use, nor are any such warranties to be implied with respect to the digital data layers furnished hereunder. NJDEP assumes no responsibility to maintain them in any manner or form. By downloading this data, user agrees to the data use constraints listed within this metadata record.

  17. a

    Land Use/Land Cover of New Jersey 2007 Update (Generalized)

    • hub.arcgis.com
    • gisdata-njdep.opendata.arcgis.com
    Updated May 25, 2010
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    NJDEP Bureau of GIS (2010). Land Use/Land Cover of New Jersey 2007 Update (Generalized) [Dataset]. https://hub.arcgis.com/datasets/56bc0643205945f69f5fdb2538902acb
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    Dataset updated
    May 25, 2010
    Dataset authored and provided by
    NJDEP Bureau of GIS
    Area covered
    Description

    This data represents a "generalized" version of the 2007 LULC. To improve the performance of the web applications displaying the 2002 land use data, it was necessary to create a new simplified layer that included only the minimum number of polygons and attributes needed to represent the 2002 land use conditions. The 2007 LU/LC data set is the fourth in a series of land use mapping efforts that was begun in 1986. Revisions and additions to the initial baseline layer were done in subsequent years from imagery captured in 1995/97, 2002 and 2007. This present 2007 update was created by comparing the 2002 LU/LC layer from NJ DEP's Geographical Information Systems (GIS) database to 2007 color infrared (CIR) imagery and delineating and coding areas of change. Work for this data set was done by Aerial Information Systems, Inc., Redlands, CA, under direction of the New Jersey Department of Environmental Protection (NJDEP), Bureau of Geographic Information System (BGIS). LU/LC changes were captured by adding new line work and attribute data for the 2007 land use directly to the base data layer. All 2002 LU/LC polygons and attribute fields remain in this data set, so change analysis for the period 2002-2007 can be undertaken from this one layer. The classification system used was a modified Anderson et al., classification system. An impervious surface (IS) code was also assigned to each LU/LC polygon based on the percentage of impervious surface within each polygon as of 2007. Minimum mapping unit (MMU) is 1 acre. ADVISORY: This metadata file contains information for the 2007Land Use/Land Cover (LU/LC) data sets, which were mapped by Watershed Management Area (WMA). There are additional reference documents listed in this file under Supplemental Information which should also be examined by users of these data sets. As stated in this metadata record's Use Constraints section, NJDEP makes no representations of any kind, including, but not limited to, the warranties of merchantability or fitness for a particular use, nor are any such warranties to be implied with respect to the digital data layers furnished hereunder. NJDEP assumes no responsibility to maintain them in any manner or form. By downloading this data, user agrees to the data use constraints listed within this metadata record.

  18. a

    Topographic (with Contours)-Copy

    • uscssi.hub.arcgis.com
    Updated Jan 11, 2022
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    Spatial Sciences Institute (2022). Topographic (with Contours)-Copy [Dataset]. https://uscssi.hub.arcgis.com/maps/227b1f888854418dbc4ee2230fa09565
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    Dataset updated
    Jan 11, 2022
    Dataset authored and provided by
    Spatial Sciences Institute
    Area covered
    Description

    This web map provides a detailed vector basemap for the world symbolized with a classic Esri topographic map style including contours and the World Hillshade layer for added context. The web map is very similar in content and style to the popular World Topographic Map, which is delivered as a tile layer with raster fused map cache. This map includes a vector tile layer that provides unique capabilities for customization and high-resolution display. This map includes highways, major roads, minor roads, railways, water features, cities, parks, landmarks, building footprints, administrative boundaries, and shaded relief for added context. The layers in this map are built using the same data sources used for the World Topographic Map and other Esri vector basemaps. This map also includes contour lines. The tile layer contains a multisource map style. Even though there are two source paths in the layer's json, these are referenced from a single vector tile layer in this web map. The root.json style file calls two vector Hosted Tile Layers to display all the data in the map. One source (esri) contains all the basemap tiles for this layer. The other source (contours) contains all the contour lines. Use the new Map Viewer Beta to view all the features in this layer as intended.Updated Map DesignThis style is an update from our raster Topographic style. The land fill and land use opacity was decreased to better emphasize the relief. Land fill polygon changes from white at a small scale to gray tone at larger scales. Labels of a number of feature classes were improved in color, size, and/or spacing. Open water bathymetric colors were improved to allow a smooth transition to scales without the water depth polygons. Road color, line width and effects were adjusted. Overall, additional feature class specifications were changed in conjunction with the land fill opacity change.Use this MapThis map is designed to be used as a basemap for overlaying other layers of information or as a stand-alone reference map. You can add layers to this web map and save as your own map. If you like, you can add this web map to a custom basemap gallery for others in your organization to use in creating web maps. If you would like to add this map as a layer in other maps you are creating, you may use the tile layer items referenced in this map. In the new Map Viewer Beta, this web map can be added through the Open existing map button.Customize this MapBecause this map includes a vector tile layer, you can customize it to change its content and cartographic design. You are able to turn on and off layers, change symbols for features, switch to alternate local languages, and refine the treatment of disputed boundaries. See the Vector Basemap group for other vector web maps. For details on how to customize this map, please refer to these articles on the ArcGIS Online Blog.

  19. Wetlands of New Jersey (from Land Use/Land Cover 2012 Update)

    • hub.arcgis.com
    • arc-gis-hub-home-arcgishub.hub.arcgis.com
    • +3more
    Updated Feb 17, 2015
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    NJDEP Bureau of GIS (2015). Wetlands of New Jersey (from Land Use/Land Cover 2012 Update) [Dataset]. https://hub.arcgis.com/datasets/5a29ffe1eda24da5bd8e2a2297b90e24
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    Dataset updated
    Feb 17, 2015
    Dataset provided by
    New Jersey Department of Environmental Protectionhttp://www.nj.gov/dep/
    Authors
    NJDEP Bureau of GIS
    Area covered
    Description

    The wetlands polygons included in this data set are extracted from the Land Use 2012 layer. Displayed are all polygons that have a TYPE12 code of 'WETLANDS'. While these wetland delineations are not regulatory lines, they represent important resource data in identifying potential wetland areas. The 2012 LU/LC data set is the fifth in a series of land use mapping efforts that was begun in 1986. Revisions and additions to the initial baseline layer were done in subsequent years from imagery captured in 1995/97, 2002, 2007 and 2012. This present 2012 update was created by comparing the 2007 LU/LC layer from NJDEP's Geographic Information Systems (GIS) database to 2012 color infrared (CIR) imagery and delineating and coding areas of change. Work for this data set was done by Aerial Information Systems, Inc., Redlands, CA, under direction of the New Jersey Department of Environmental Protection (NJDEP), Bureau of Geographic Information System (BGIS). LU/LC changes were captured by adding new line work and attribute data for the 2012 land use directly to the base data layer. All 2007 LU/LC polygons and attribute fields remain in this data set, so change analysis for the period 2007-2012 can be undertaken from this one layer. The classification system used was a modified Anderson et al., classification system. An impervious surface (IS) code was also assigned to each LU/LC polygon based on the percentage of impervious surface within each polygon as of 2007. Minimum mapping unit (MMU) is 1 acre. ADVISORY: This metadata file contains information for the 2012 Land Use/Land Cover (LU/LC) data sets, which were mapped by USGS Subbasin (HU8). There are additional reference documents listed in this file under Supplemental Information which should also be examined by users of these data sets. As stated in this metadata record's Use Constraints section, NJDEP makes no representations of any kind, including, but not limited to, the warranties of merchantability or fitness for a particular use, nor are any such warranties to be implied with respect to the digital data layers furnished hereunder. NJDEP assumes no responsibility to maintain them in any manner or form. By downloading this data, user agrees to the data use constraints listed within this metadata record.

  20. Impervious Surface of New Jersey from Land Use/Land Cover 2007 Update...

    • njogis-newjersey.opendata.arcgis.com
    • share-open-data-njtpa.hub.arcgis.com
    • +2more
    Updated May 25, 2010
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    NJDEP Bureau of GIS (2010). Impervious Surface of New Jersey from Land Use/Land Cover 2007 Update (Download) [Dataset]. https://njogis-newjersey.opendata.arcgis.com/documents/c9c441a5324e443ea744932c19d03082
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    Dataset updated
    May 25, 2010
    Dataset provided by
    New Jersey Department of Environmental Protectionhttp://www.nj.gov/dep/
    Authors
    NJDEP Bureau of GIS
    Area covered
    New Jersey
    Description

    The Impervious Surface layer is taken from the Land Use 2007 data set. What is meant by impervious surface is material such as concrete and asphalt that comprise roadways, parking areas, sidewalks and buildings. As the land use/land cover of each polygon was mapped from 2007 aerial photography, a visual estimate was also made of the amount of impervious surface in each. This estimate was recorded as a percentage of the total polygon area, in 5% increments, which are depicted here. These percentages can be used to determine the total acreage of impervious surface in any area of interest. The 2007 LU/LC data set is the fourth in a series of land use mapping efforts that was begun in 1986. Revisions and additions to the initial baseline layer were done in subsequent years from imagery captured in 1995/97, 2002 and 2007. This present 2007 update was created by comparing the 2002 LU/LC layer from NJ DEP's Geographical Information Systems (GIS) database to 2007 color infrared (CIR) imagery and delineating and coding areas of change. Work for this data set was done by Aerial Information Systems, Inc., Redlands, CA, under direction of the New Jersey Department of Environmental Protection (NJDEP), Bureau of Geographic Information System (BGIS). LU/LC changes were captured by adding new line work and attribute data for the 2007 land use directly to the base data layer. All 2002 LU/LC polygons and attribute fields remain in this data set, so change analysis for the period 2002-2007 can be undertaken from this one layer. The classification system used was a modified Anderson et al., classification system. An impervious surface (IS) code was also assigned to each LU/LC polygon based on the percentage of impervious surface within each polygon as of 2007. Minimum mapping unit (MMU) is 1 acre. ADVISORY: This metadata file contains information for the 2007Land Use/Land Cover (LU/LC) data sets, which were mapped by Watershed Management Area (WMA). There are additional reference documents listed in this file under Supplemental Information which should also be examined by users of these data sets. As stated in this metadata record's Use Constraints section, NJDEP makes no representations of any kind, including, but not limited to, the warranties of merchantability or fitness for a particular use, nor are any such warranties to be implied with respect to the digital data layers furnished hereunder. NJDEP assumes no responsibility to maintain them in any manner or form. By downloading this data, user agrees to the data use constraints listed within this metadata record.

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NJDEP Bureau of GIS (2007). Land Use/Land Cover of New Jersey 2002 (Download) [Dataset]. https://hub.arcgis.com/documents/4f70566eab604aacb3ecae4bbf15beaf
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Land Use/Land Cover of New Jersey 2002 (Download)

Explore at:
Dataset updated
Jan 1, 2007
Dataset provided by
New Jersey Department of Environmental Protectionhttp://www.nj.gov/dep/
Authors
NJDEP Bureau of GIS
Area covered
New Jersey
Description

The data was created by comparing the 1995/97 land use/land cover (LU/LC) layer from NJ DEP's geographical information systems (GIS) database to 2002 color infrared (CIR) imagery and delineating areas of change. Work for this data set was done by Aerial Information Systems, Inc., Redlands, CA, under direction of the New Jersey Department of Environmental Protection (NJDEP), Bureau of Geographic Information System (BGIS). LU/LC changes were captured by adding new line work and attribute data for the 2002 land use directly to the base data layer. All 1986 LU/LC polygons and attribute fields were removed from this update, however, all 1995/97 LU/LC polygons remain in this data set, so change analysis can be undertaken from this one layer. The classification system used was a modified Anderson et al., 2002 classification system. An impervious surface (IS) code was also assigned to each LU/LC polygon based on the percentage of impervious surface within each polygon as of 2002 and 1995/97. Minimum mapping unit (MMU) is 1 acre.

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