28 datasets found
  1. a

    MapGeo, NRPC's Parcel Viewer

    • hub.arcgis.com
    Updated Oct 4, 2016
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    Nashua Regional Planning Commission (2016). MapGeo, NRPC's Parcel Viewer [Dataset]. https://hub.arcgis.com/documents/a8d0112a8a72408a86fb8affc55a8a40
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    Dataset updated
    Oct 4, 2016
    Dataset authored and provided by
    Nashua Regional Planning Commission
    Description

    Users can browse the map interactively or search by lot ID or address. Available basemaps include aerial images, topographic contours, roads, town landmarks, conserved lands, and individual property boundaries. Overlays display landuse, zoning, flood, water resources, and soil characteristics in relation to neighborhoods or parcels. Integration with Google Street View offers enhanced views of the 2D map location. Other functionality includes map markup, printing, viewing the property record card, and links to official tax maps where available.NRPC's implementation of MapGeo dates back to 2013, however it is the decades of foundational GIS data development at NRPC and partner agencies that has enabled its success. NRPC refreshes the assessing data yearly; the map data is maintained in an ongoing manner.

  2. NZ Parcel Boundaries Wireframe

    • data.linz.govt.nz
    Updated May 1, 2015
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    Land Information New Zealand (2015). NZ Parcel Boundaries Wireframe [Dataset]. https://data.linz.govt.nz/set/4769-nz-parcel-boundaries-wireframe/
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    Dataset updated
    May 1, 2015
    Dataset authored and provided by
    Land Information New Zealandhttps://www.linz.govt.nz/
    Description

    NZ Parcel Boundaries Wireframe provides a map of land, road and other parcel boundaries, and is especially useful for displaying property boundaries.
    This map service is for visualisation purposes only and is not intended for download. You can download the full parcels data from the NZ Parcels dataset.
    This map service provides a dark outline and transparent fill, making it perfect for overlaying on our basemaps or any map service you choose.
    Data for this map service is sourced from the NZ Parcels dataset which is updated weekly with authoritative data direct from LINZ’s Survey and Title system. Refer to the NZ Parcel layer for detailed metadata.
    To simplify the visualisation of this data, the map service filters the data from the NZ Parcels layer to display parcels with a status of 'current' only.
    This map service has been designed to be integrated into GIS, web and mobile applications via LINZ’s WMTS and XYZ tile services. View the Services tab to access these services.
    See the LINZ website for service specifications and help using WMTS and XYZ tile services and more information about this service.

  3. Digital Property Maps

    • open.canada.ca
    • datasets.ai
    • +1more
    html
    Updated Jan 9, 2025
    + more versions
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    Government of New Brunswick (2025). Digital Property Maps [Dataset]. https://open.canada.ca/data/en/dataset/56f75efc-3681-34ce-6440-c2c8a8457332
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    htmlAvailable download formats
    Dataset updated
    Jan 9, 2025
    Dataset provided by
    Government of New Brunswickhttps://www.gnb.ca/
    License

    Open Government Licence - Canada 2.0https://open.canada.ca/en/open-government-licence-canada
    License information was derived automatically

    Description

    Approximate boundaries for all land parcels in New Brunswick. The boundaries are structured as Polygons. The Property Identifier number or PID is included for each parcel.

  4. Airport Boundaries

    • data.ca.gov
    • gis.data.ca.gov
    • +1more
    Updated Sep 5, 2024
    + more versions
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    Caltrans (2024). Airport Boundaries [Dataset]. https://data.ca.gov/dataset/airport-boundaries
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    arcgis geoservices rest api, geojson, csv, kml, html, zipAvailable download formats
    Dataset updated
    Sep 5, 2024
    Dataset provided by
    California Department of Transportationhttp://dot.ca.gov/
    Authors
    Caltrans
    License

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

    Description

    California Department of Transportation (Caltrans), Division of Transportation Planning, Aeronautics Program provided airport layout drawings with estimated digitized airport property or fence lines with Google Pro images background.

    Caltrans Division of Research, Innovation and System Information (DRISI) GIS office digitized the airport boundary lines with Bing Maps Aerial background and built the boundary lines into a GIS polygon feature class.

    Generally, Airport Layout Plans do not show complete connected property or fence lines. In many cases the boundary lines were interpreted among the property and fence lines with our best judgment. The airport general information derived from FAA Airport Master Record and Reports with their URL are included in the attribute table.

    Airport boundary data is intended for general reference and does not represent official airport property boundary determinations.

  5. Canada Lands in Google Earth

    • open.canada.ca
    • catalogue.arctic-sdi.org
    • +3more
    kml
    Updated Aug 25, 2022
    + more versions
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    Natural Resources Canada (2022). Canada Lands in Google Earth [Dataset]. https://open.canada.ca/data/en/dataset/a0bd9999-600e-48ad-a186-310dfe135b28
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    kmlAvailable download formats
    Dataset updated
    Aug 25, 2022
    Dataset provided by
    Ministry of Natural Resources of Canadahttps://www.nrcan.gc.ca/
    License

    Open Government Licence - Canada 2.0https://open.canada.ca/en/open-government-licence-canada
    License information was derived automatically

    Area covered
    Canada
    Description

    This data provides the integrated cadastral framework for Canada Lands. The cadastral framework consists of active and superseded cadastral parcel, roads, easements, administrative areas, active lines, points and annotations. The cadastral lines form the boundaries of the parcels. COGO attributes are associated to the lines and depict the adjusted framework of the cadastral fabric. The cadastral annotations consist of lot numbers, block numbers, township numbers, etc. The cadastral framework is compiled from Canada Lands Survey Records (CLSR), registration plans (RS) and location sketches (LS) archived in the Canada Lands Survey Records.

  6. G

    ParcelMap BC Parcel Fabric

    • open.canada.ca
    • catalogue.arctic-sdi.org
    • +1more
    esri rest, fgdb/gdb +3
    Updated Jun 18, 2025
    + more versions
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    Government of British Columbia (2025). ParcelMap BC Parcel Fabric [Dataset]. https://open.canada.ca/data/en/dataset/4cf233c2-f020-4f7a-9b87-1923252fbc24
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    html, fgdb/gdb, wms, kml, esri restAvailable download formats
    Dataset updated
    Jun 18, 2025
    Dataset provided by
    Government of British Columbia
    License

    Open Government Licence - Canada 2.0https://open.canada.ca/en/open-government-licence-canada
    License information was derived automatically

    Area covered
    British Columbia
    Description

    ParcelMap BC is the current, complete and trusted mapped representation of titled and Crown land parcels across British Columbia, considered to be the point of truth for the graphical representation of property boundaries. It is not the authoritative source for the legal property boundary or related records attributes; this will always be the plan of survey or the related registry information. This particular dataset is a subset of the complete ParcelMap BC data and is comprised of the parcel fabric and attributes for over two million parcels published under the Open Government Licence - British Columbia. Notes: 1. Parcel title information is sourced from the BC Land Title Register. Title questions should be directed to a local Land Title Office. 2. This dataset replaces the Integrated Cadastral Fabric.

  7. D

    Data from: Soil and Land Information

    • data.nsw.gov.au
    html, pdf
    Updated Mar 13, 2024
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    NSW Department of Climate Change, Energy, the Environment and Water (2024). Soil and Land Information [Dataset]. https://data.nsw.gov.au/data/dataset/soil-and-land-information
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    html, pdfAvailable download formats
    Dataset updated
    Mar 13, 2024
    Dataset provided by
    NSW Department of Climate Change, Energy, the Environment and Water
    License

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

    Description

    Statewide soil and land information can be discovered and viewed through eSPADE or SEED. Datasets include soil profiles, soil landscapes, soil and land resources, acid sulfate soil risk mapping, hydrogeological landscapes, land systems and land use. There are also various statewide coverages of specific soil and land characteristics, such as soil type, land and soil capability, soil fertility, soil regolith, soil hydrology and modelled soil properties.

    Both eSPADE and SEED enable soil and land data to be viewed on a map. SEED focuses more on the holistic approach by enabling you to add other environmental layers such as mining boundaries, vegetation or water monitoring points. SEED also provides access to metadata and data quality statements for layers.

    eSPADE provides greater functions and allows you to drill down into soil points or maps to access detailed information such as reports and images. You can navigate to a specific location, then search and select multiple objects and access detailed information about them. You can also export spatial information for use in other applications such as Google Earth™ and GIS software.

    eSPADE is a free Internet information system and works on desktop computers, laptops and mobile devices such as smartphones and tablets and uses a Google maps-based platform familiar to most users. It has over 42,000 soil profile descriptions and approximately 4,000 soil landscape descriptions. This includes the maps and descriptions from the Soil Landscape Mapping program. eSPADE also includes the base maps underpinning Biophysical Strategic Agricultural Land (BSAL).

    For more information on eSPADE visit: https://www.environment.nsw.gov.au/topics/land-and-soil/soil-data/espade

  8. a

    Victoria Sport and Recreation Facility Locations 2015-2016 - Dataset - AURIN...

    • data.aurin.org.au
    Updated Mar 6, 2025
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    (2025). Victoria Sport and Recreation Facility Locations 2015-2016 - Dataset - AURIN [Dataset]. https://data.aurin.org.au/dataset/vic-govt-dhhs-vic-sport-and-recreation-2015-na
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    Dataset updated
    Mar 6, 2025
    License

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

    Description

    Identifies location, the type of sport played and condition, age and other details about the recreational facility. Data contains approximately 80 types of sport including private gyms and fitness centres. The location of facilities was checked using a range of spatial data including current aerial photos, LGA and property boundaries as well as Google maps. If feasible they were geocoded via Victorian Mapping Address System (VMAS).

  9. r

    Victoria Sport and Recreation Facility Locations 2015-2016

    • researchdata.edu.au
    null
    Updated Jun 28, 2023
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    Government of Victoria - Department of Health and Human Services (2023). Victoria Sport and Recreation Facility Locations 2015-2016 [Dataset]. https://researchdata.edu.au/victoria-sport-recreation-2015-2016/2746476
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    nullAvailable download formats
    Dataset updated
    Jun 28, 2023
    Dataset provided by
    Australian Urban Research Infrastructure Network (AURIN)
    Authors
    Government of Victoria - Department of Health and Human Services
    License

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

    Area covered
    Description

    Identifies location, the type of sport played and condition, age and other details about the recreational facility. Data contains approximately 80 types of sport including private gyms and fitness centres. The location of facilities was checked using a range of spatial data including current aerial photos, LGA and property boundaries as well as Google maps. If feasible they were geocoded via Victorian Mapping Address System (VMAS).

  10. a

    Maine GeoLibrary Parcel Viewer Application

    • hub.arcgis.com
    Updated Dec 21, 2016
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    State of Maine (2016). Maine GeoLibrary Parcel Viewer Application [Dataset]. https://hub.arcgis.com/app/maine::maine-geolibrary-parcel-viewer-application
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    Dataset updated
    Dec 21, 2016
    Dataset authored and provided by
    State of Maine
    Area covered
    Description

    The Maine Geoparcel Viewer Application allows users to search and view available digital parcel data for Organized Townships and Unorganized Territories in the State of Maine. The Maine GeoLibrary and the Maine Office of GIS do not maintain parcel data for communities, cannot verify parcel ownership, and are not responsible for individual parcel data verification or updating emergency records concerning parcel addresses. If you have questions about a specific parcel, please contact the appropriate Town Office or County Registry of Deeds for the most up-to-date information.Within Maine, real property data is maintained by the government organization responsible for assessing and collecting property tax for a given location. Organized towns and townships maintain authoritative data for their communities and may voluntarily submit these data to the Maine GeoLibrary Parcel Project. The "Maine Parcels Organized Towns Feature" layer and "Maine Parcels Organized Towns ADB" table are the product of these voluntary submissions. Communities provide updates to the Maine GeoLibrary on a non-regular basis, which affects the currency of Maine GeoLibrary parcels data; some data are more than ten years old. Please contact the appropriate Town Office or the County Registry of Deeds for more up-to-date parcel information. Organized Town data should very closely match registry information, except in the case of in-process property conveyance transactions.In Unorganized Territories (defined as those regions of the state without a local government that assesses real property and collects property tax), Maine Revenue Services is the authoritative source for parcel data. The "Maine Parcels Unorganized Territory" layer is the authoritative GIS data layer for the Unorganized Territories. However, it must always be used with auxiliary data obtained from the online resources of Maine Revenue Services to compile up-to-date parcel ownership information.

  11. K

    Houston, Texas City Limits

    • koordinates.com
    csv, dwg, geodatabase +6
    Updated Feb 29, 2024
    + more versions
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    City of Houston, Texas (2024). Houston, Texas City Limits [Dataset]. https://koordinates.com/layer/13099-houston-texas-city-limits/
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    mapinfo mif, pdf, geodatabase, shapefile, kml, geopackage / sqlite, mapinfo tab, dwg, csvAvailable download formats
    Dataset updated
    Feb 29, 2024
    Dataset authored and provided by
    City of Houston, Texas
    Area covered
    Description

    Vector polygon map data of city limits from Houston, Texas containing 731 features.

    City limits GIS (Geographic Information System) data provides valuable information about the boundaries of a city, which is crucial for various planning and decision-making processes. Urban planners and government officials use this data to understand the extent of their jurisdiction and to make informed decisions regarding zoning, land use, and infrastructure development within the city limits.

    By overlaying city limits GIS data with other layers such as population density, land parcels, and environmental features, planners can analyze spatial patterns and identify areas for growth, conservation, or redevelopment. This data also aids in emergency management by defining the areas of responsibility for different emergency services, helping to streamline response efforts during crises..

    This city limits data is available for viewing and sharing as a map in a Koordinates map viewer. This data is also available for export to DWG for CAD, PDF, KML, CSV, and GIS data formats, including Shapefile, MapInfo, and Geodatabase.

  12. a

    Property Boundary

    • arc-gis-hub-home-arcgishub.hub.arcgis.com
    Updated Jun 26, 2023
    + more versions
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    Waimakariri District Council (2023). Property Boundary [Dataset]. https://arc-gis-hub-home-arcgishub.hub.arcgis.com/maps/Waimakariri::property-boundary
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    Dataset updated
    Jun 26, 2023
    Dataset authored and provided by
    Waimakariri District Council
    License

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

    Area covered
    Description

    While the Waimakariri District Council has taken all reasonable care in providing correct information, all information should be considered as being illustrative and indicative only. Your use of this information is entirely at your own risk. You should independently verify the accuracy of any information before taking any action in reliance upon it.Read full disclaimer here.Abstract:This layer is derived from current primary parcels, as per the NZ Parcels layer on the LINZ Data Service, joined to data on matching current/future properties in WDC’S rating database.Note, this dataset includes a boundary for the primary property address only (as identified in WDC’s rating database) and does not include a boundary for all addresses that may exist on a property.Other information:Addresses:The address datasets contain street number, street name and suburb for physical addresses in Waimakariri.There can be multiple addresses on a property and an example of these are granny flats, farm cottages etc.Click here to view Address Boundary LayerClick here to view Address Point LayerUpdate Frequency:DailyPoint of Contact:Waimakariri District CouncilLineage:Data has been compiled from a number of sources and its accuracy may vary (e.g. Field Verification, Deposited Plans, AsBuilt plans and forms, sketches, aerial photo, Google Street View). There may be delays before data is updated to reflect changes in an area.

  13. Data from: Itasy, Vakinankaratra - Madagascar - 2023 - Land cover reference...

    • dataverse.cirad.fr
    application/x-gzip
    Updated Feb 1, 2024
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    Andriamampianina, Zaka; Rajaonson Nosy, Vokatsoa Lahatra; Andriamampionona, Lôla; Stéphane Dupuy; Stéphane Dupuy; Bertrand Muller; Andriamampianina, Zaka; Rajaonson Nosy, Vokatsoa Lahatra; Andriamampionona, Lôla; Bertrand Muller (2024). Itasy, Vakinankaratra - Madagascar - 2023 - Land cover reference spatial database [Dataset]. http://doi.org/10.18167/DVN1/5GHE96
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    application/x-gzip(995335)Available download formats
    Dataset updated
    Feb 1, 2024
    Authors
    Andriamampianina, Zaka; Rajaonson Nosy, Vokatsoa Lahatra; Andriamampionona, Lôla; Stéphane Dupuy; Stéphane Dupuy; Bertrand Muller; Andriamampianina, Zaka; Rajaonson Nosy, Vokatsoa Lahatra; Andriamampionona, Lôla; Bertrand Muller
    License

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

    Area covered
    Madagascar
    Dataset funded by
    EU - DeSIRA & GCCA+ programm
    Description

    This reference database in vector format (ESRI shape format) is organised according to a multi-level nomenclature. It is used to train an image classification algorithm with a view to producing land use maps for the Itashy and Vakinankaratra regions as part of the DINAAMICC project. Each GPS point was converted into a polygon by digitising the boundaries of the corresponding plot on the Google Satellite background and/or the mosaic of Spot 6/7 images acquired in 2022 and 2023 during the growing season. In addition, other polygons were digitised by photo-interpretation of the images. The database covers the entire study area in order to be representative of existing crop types and perennial structures. The final database contains 3726 polygons. Cette base de données de référence au format vecteur (ESRI shape format) est organisée selon une nomenclature à plusieurs niveaux. Elle est utilisée pour entrainer un algorithme de classification d’images en vue de produire des cartes d’occupation du sol sur les régions Itashy et Vakinankaratra dans le cadre du projet DINAAMICC. Les points GPS ont été relevés en mars et avril 2023 par deux enquêteurs formés à l'utilisation d'une tablette-GPS mobilisant l'application QField. Chaque point GPS a été converti en polygone en numérisant les limites de la parcelle correspondante sur le fonds Google Satellite et/ou la mosaïque d'images Spot 6/7 acquises en 2022 et 2023 pendant la saison de croissance des cultures. En complément d'autres polygones ont été numérisés par photo-interprétation des images. La base de données, couvrent l’ensemble de la zone d’étude afin d'avoir une représentativité des types de cultures et des structures pérennes existantes. La base de données finale compte 3726 polygones.

  14. d

    NYC Wetlands

    • catalog.data.gov
    • data.cityofnewyork.us
    • +1more
    Updated Dec 7, 2024
    + more versions
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    data.cityofnewyork.us (2024). NYC Wetlands [Dataset]. https://catalog.data.gov/dataset/nyc-wetlands
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    Dataset updated
    Dec 7, 2024
    Dataset provided by
    data.cityofnewyork.us
    Area covered
    New York
    Description

    In 2016 NYC Parks contracted with the UVM Spatial Analysis Lab to use modern remote sensing and object-based image analysis to create a new wetlands map for New York City. Data inputs include Light Detection and Ranging Data, State and Federal Wetland Inventories, soils, and field data. Because the map was conservative in its wetlands predictions, NYC Parks staff improved the map through a series of desktop and field verification efforts. From June to November 2020, NYC Parks staff field verified the majority of wetlands on NYC Parks' property. The map will be opportunistically updated depending on available field information and delineations. Another dedicated field verification effort has not been planned. As of June 2021, no subsequent updates to the data are scheduled. Original field names were updated to field names that are easier to understand. This dataset was developed to increase awareness regarding the location and extent of wetlands to promote restoration and conservation in New York City. This map does not supersede U.S. Fish and Wildlife Service National Wetlands Inventory (NWI) and New York State Department of Environmental Conservation (NYSDEC) wetlands maps and has no jurisdictional authority. It should be used alongside NWI and NYSDEC datasets as a resource for identifying likely locations of wetlands in New York City. Mapped features vary in the confidence of their verification status, ranging from "Unverified" (meaning the feature exists in its original remotely mapped form and has not been ground truthed) to "Verified - Wetland Delineation" (meaning the boundaries and type of wetland have been verified during an official wetland delineation). Because of the rapid nature of the protocol and the scale of data collection, this product is not a subsitute for on-site investigations and field delineations. The dataset also includes broad classifications for each wetland type, e.g. estuarine, emergent wetland, forested wetland, shrub/scrub wetland, or water. Cowardin classifcations were not used given rapid verfication methods. The accuracy of the wetlands map has improved over time as a result of the verification process. Fields were added over time as necessitated by the workflow and values were updated with information, either from the field verifications, delineation reports, or desktop analysis. OBJECTID, Shape, Class_Name_Final, Verification_Status, Create_Date, Last_Edited_Date, Verification_Status_Year, SHAPE_Length, SHAPE_Area https://www.nycgovparks.org/greening/natural-resources-group Data Dictionary: https://docs.google.com/spreadsheets/d/1a45qCho45MV-AuOlGxyaRp0cg3cRFKw4lAYBIaU3zi4/edit#gid=260500519 Map: https://data.cityofnewyork.us/dataset/NYC-Wetlands/7piy-bhr9

  15. d

    ArchaeoGLOBE Regions

    • search.dataone.org
    Updated Nov 22, 2023
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    ArchaeoGLOBE Project (2023). ArchaeoGLOBE Regions [Dataset]. http://doi.org/10.7910/DVN/CQWUBI
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    Dataset updated
    Nov 22, 2023
    Dataset provided by
    Harvard Dataverse
    Authors
    ArchaeoGLOBE Project
    Description

    This dataset contains documentation on the 146 global regions used to organize responses to the ArchaeGLOBE land use questionnaire between May 18 and July 31, 2018. The regions were formed from modern administrative regions (Natural Earth 1:50m Admin1 - states and provinces, https://www.naturalearthdata.com/downloads/50m-cultural-vectors/50m-admin-1-states-provinces/). The boundaries of the polygons represent rough geographic areas that serve as analytical units useful in two respects - for the history of land use over the past 10,000 years (a moving target) and for the history of archaeological research. Some consideration was also given to creating regions that were relatively equal in size. The regionalization process went through several rounds of feedback and redrawing before arriving at the 146 regions used in the survey. No bounded regional system could ever truly reflect the complex spatial distribution of archaeological knowledge on past human land use, but operating at a regional scale was necessary to facilitate timely collaboration while achieving global coverage. Map in Google Earth Format: ArchaeGLOBE_Regions_kml.kmz Map in ArcGIS Shapefile Format: ArchaeGLOBE_Regions.zip (multiple files in zip file) The shapefile format is a digital vector file that stores geographic location and associated attribute information. It is actually a collection of several different file types: .shp — shape format: the feature geometry .shx — shape index format: a positional index of the feature geometry .dbf — attribute format: columnar attributes for each shape .prj — projection format: the coordinate system and projection information .sbn and .sbx — a spatial index of the features .shp.xml — geospatial metadata in XML format .cpg — specifies the code page for identifying character encoding Attributes: FID - a unique identifier for every object in a shapefile table (0-145) Shape - the type of object (polygon) World_ID - coded value assigned to each feature according to its division into one of seventeen ‘World Regions’ based on the geographic regions used by the Statistics Division of the United Nations (https://unstats.un.org/unsd/methodology/m49/), with small changes to better reflect archaeological scholarly communities. These large regions provide organizational structure, but are not analytical units for the study. World_RG - text description of each ‘World Region’ Archaeo_ID - unique identifier (1-146) corresponding to the region code used in the ArchaeoGLOBE land use questionnaire and all ArchaeoGLOBE datasets Archaeo_RG - text description of each region Total_Area - the total area, in square kilometers, of each region Land-Area - the total area minus the area of all lakes and reservoirs found within each region (source: https://www.naturalearthdata.com/downloads/10m-physical-vectors/10m-lakes/) PDF of Region Attribute Table: ArchaeoGLOBE Regions Attributes.pdf Excel file of Region Attribute Table: ArchaeoGLOBE Regions Attributes.xls Printed Maps in PDF Format: ArchaeoGLOBE Regions.pdf Documentation of the ArchaeoGLOBE Regional Map: ArchaeoGLOBE Regions README.doc

  16. G

    Global map of Local Climate Zones, latest version

    • developers.google.com
    + more versions
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    Bochum Urban Climate Lab, Global map of Local Climate Zones, latest version [Dataset]. http://doi.org/10.5281/zenodo.6364593
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    Dataset provided by
    Bochum Urban Climate Lab
    Time period covered
    Jan 1, 2018 - Jan 1, 2019
    Area covered
    Earth
    Description

    Since their introduction in 2012, Local Climate Zones (LCZs) emerged as a new standard for characterizing urban landscapes, providing a holistic classification approach that takes into account micro-scale land-cover and associated physical properties. This global map of Local Climate Zones, at 100m pixel size and representative for the nominal year …

  17. g

    GFW tree plantations

    • data.globalforestwatch.org
    Updated Apr 15, 2016
    + more versions
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    Liberia Forestry Development Authority (2016). GFW tree plantations [Dataset]. https://data.globalforestwatch.org/maps/LiberiaForests::gfw-tree-plantations/about
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    Dataset updated
    Apr 15, 2016
    Dataset authored and provided by
    Liberia Forestry Development Authority
    Area covered
    Description

    This data set was created by Transparent World, with the support of Global Forest Watch. Many studies depicting forest cover and forest change cannot distinguish between natural forests and plantations. This data set attempts to distinguish tree plantations from natural forest for seven key countries: Brazil, Cambodia, Colombia, Indonesia, Liberia, Malaysia, and Peru. Given the variability of plantations and their spectral similarity to natural forests, this study used visual interpretations of satellite imagery, primarily Landsat, supplemented by high resolution imagery (Google Maps, Bing Maps, or Digital Globe), where available, to locate plantations. Analysts hand-digitized plantation boundaries based on several key visual criteria, including texture, shape, color, and size. Each polygon is labelled with the plantation type and when possible, the species. A “gr” in front of the species name indicates a group of species, such as pines or fruit, where the individual species was not identifiable. The percentage of plantation coverage indicates a rough estimate of the prevalence of plantation within a polygon (as in the case of a mosaic). Types are defined as follows: Large industrial plantation: single plantation units larger than 100 hectares; Mosaic of medium-sized plantations: mosaic of plantation units < 100 hectares embedded within patches of other land use; Mosaic of small-sized plantations: mosaic of plantation units < 10 hectares embedded within patches of other land use. Clearing/ very young plantation: bare ground with contextual clues suggesting it will become a plantations (shape or pattern of clearing, proximity to other plantations, distinctive road network, etc...

    Read the technical note here: http://www.wri.org/publication/mapping-tree-plantations

  18. Texas County Boundaries (line)

    • gis-txdot.opendata.arcgis.com
    • hub.arcgis.com
    • +1more
    Updated Jul 19, 2016
    + more versions
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    Texas Department of Transportation (2016). Texas County Boundaries (line) [Dataset]. https://gis-txdot.opendata.arcgis.com/datasets/texas-county-boundaries-line
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    Dataset updated
    Jul 19, 2016
    Dataset authored and provided by
    Texas Department of Transportationhttp://txdot.gov/
    Area covered
    Description

    This dataset was created by the Transportation Planning and Programming (TPP) Division of the Texas Department of Transportation (TxDOT) for planning and asset inventory purposes, as well as for visualization and general mapping. County boundaries were digitized by TxDOT using USGS quad maps, and converted to line features using the Feature to Line tool. This dataset depicts a generalized coastline.Update Frequency: As NeededSource: Texas General Land OfficeSecurity Level: PublicOwned by TxDOT: FalseRelated LinksData Dictionary PDF [Generated 2025/03/14]

  19. GLIMS 2023: Global Land Ice Measurements From Space

    • developers.google.com
    Updated Jun 7, 2023
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    National Snow and Ice Data Center (NSDIC) (2023). GLIMS 2023: Global Land Ice Measurements From Space [Dataset]. http://doi.org/10.7265/N5V98602
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    Dataset updated
    Jun 7, 2023
    Dataset provided by
    National Snow and Ice Data Center
    Time period covered
    Jan 1, 1750 - Jun 7, 2023
    Area covered
    Earth
    Description

    Global Land Ice Measurements from Space (GLIMS) is an international initiative with the goal of repeatedly surveying the world's estimated 200,000 glaciers. The project seeks to create a globally comprehensive inventory of land ice, including measurements of glacier area, geometry, surface velocity, and snow line elevation. To perform these analyses, …

  20. Orthomosaic and digital surface model of the main Casey station buildings,...

    • data.aad.gov.au
    • researchdata.edu.au
    • +1more
    Updated Aug 8, 2023
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    Orthomosaic and digital surface model of the main Casey station buildings, 12th February 2021. [Dataset]. https://data.aad.gov.au/metadata/AAS_4503_Orthomosaic_DSM_Casey_2021
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    Dataset updated
    Aug 8, 2023
    Dataset provided by
    Australian Antarctic Divisionhttps://www.antarctica.gov.au/
    Australian Antarctic Data Centre
    Authors
    HELLIE, ANNE; MCWATTERS, REBECCA; WILKINS, DANIEL
    License

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

    Time period covered
    Feb 12, 2021
    Area covered
    Description

    Images were acquired from approximately 80 m above ground surface on the 12th of February 2021, using a Phantom 4 Advanced drone with an FC330 camera. The images are in file input_images.zip.

    The mission planning software DJI GS Pro was used to automatically acquire images at suitable locations across the survey area to enable the reconstruction of a three dimensional model.

    Images 422 to 531 were imported to the photogrammetry software Pix4D (version 4.6.4). The created Pix4D project is Station12Feb2021_limited.p4d, and the processing report is Station12Feb2021_limited_report.pdf.

    Four three-dimensional ground control points were used to improve the positioning of the model. No two dimensional control points or check points were used.

    These points were in ITRF 2000@2000 datum (UTM Zone 49S), with co-ordinates as per the table below:

    Label, Type, X(m), Y(m), Z(m), Accuracy Horz(m), Accuracy Vert(M) BM05, 3D GCP, 478814.460, 2648561.910, 38.558, 0.050, 0.100 EW-05, 3D GCP, 478635.540, 2648617.260, 27.260, 0.050, 0.100 FuelFlange, 3D GCP, 478970.810, 2648642.250, 21.920, 0.050, 0.100 MeltbellFootingA, 3D GCP, 478680.270, 2648466.547, 35.850, 0.050, 0.100

    BM-05 is a survey benchmark near the Casey flagpoles, see https://data.aad.gov.au/aadc/survey/display_station.cfm?station_id=600 EW-05 is a 44 gallon drum used as a groundwater extraction well by the remediation project Fuel Flange is the last fuel flange located on the elevated fuel line prior to the fuel line “dipping” under the wharf road. Meltbell footing A is a concrete footing for the Casey melt bell (surveyed in 2019/20).

    No point cloud processing (e.g. removal of errant points) was done prior to orthomosaic and model generation.

    The resulting orthomosaic (Station12Feb2021_limited_transparent_mosaic_group1.tif) has an average ground sampling distance of 2.9 cm, and covers an area of approximately 15.8 hectares, encompassing the majority of buildings along “main street” at Casey. The quarry, biopiles, helipad, and upper fuel farm area are all visible.

    Contour lines were generated in Pix4D at 0.5 m intervals.

    Due to the limited number of ground control points, and their imprecision, the estimated residual mean squared error across three dimensions is 0.17 m (17cm), and will be worse on the periphery of the imaged area.

    The orthomosaic was exported from ArcGIS to a Google Earth file (CaseyStation Orthomosaic Feb 12 2021.kmz) using XTools Pro Version 17.2.

    A map was created in ArcGIS showing the orthomosaic with a background showing contour lines obtained from the AADC data product windmill_is.mdb.

    The map was exported in .jpg and .pdf format at 250 dpi. Casey Station Orthomosaic Feb 12 2021.pdf Casey Station Orthomosaic Feb 12 2021.jpg

    The Pix4D folder structure has been copied across (with the exception of the temp folder) and is included in this dataset.

    Pix4D Folder Structure:

    Station12Feb2021_limited.zip 1_intitial • Contains Pix4D files created during the project • Contains the final processing report (as .pdf) 2_densification • Contains the 3D mesh as an .obj file • Contains the point cloud as a .LAS and .PLY file • Contains the point cloud as a .p4b file 3_dsm_ortho • Contains the digital surface model as a georeferenced .tif file • Contains the orthomosaic as a georeferenced .tif file

    A text readable log file from the project processing is in the file Station12Feb2021_limited.log

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Nashua Regional Planning Commission (2016). MapGeo, NRPC's Parcel Viewer [Dataset]. https://hub.arcgis.com/documents/a8d0112a8a72408a86fb8affc55a8a40

MapGeo, NRPC's Parcel Viewer

Explore at:
Dataset updated
Oct 4, 2016
Dataset authored and provided by
Nashua Regional Planning Commission
Description

Users can browse the map interactively or search by lot ID or address. Available basemaps include aerial images, topographic contours, roads, town landmarks, conserved lands, and individual property boundaries. Overlays display landuse, zoning, flood, water resources, and soil characteristics in relation to neighborhoods or parcels. Integration with Google Street View offers enhanced views of the 2D map location. Other functionality includes map markup, printing, viewing the property record card, and links to official tax maps where available.NRPC's implementation of MapGeo dates back to 2013, however it is the decades of foundational GIS data development at NRPC and partner agencies that has enabled its success. NRPC refreshes the assessing data yearly; the map data is maintained in an ongoing manner.

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