100+ datasets found
  1. a

    Environment Canterbury Land

    • hub.arcgis.com
    • opendata.canterburymaps.govt.nz
    • +1more
    Updated Sep 19, 2016
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    Canterbury Regional Council (2016). Environment Canterbury Land [Dataset]. https://hub.arcgis.com/maps/ecan::environment-canterbury-land
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    Dataset updated
    Sep 19, 2016
    Dataset authored and provided by
    Canterbury Regional Council
    License

    Attribution 3.0 (CC BY 3.0)https://creativecommons.org/licenses/by/3.0/
    License information was derived automatically

    Area covered
    Description

    Environment Canterbury Land.

  2. a

    Land Use Recovery Plan - Key Activity Centres

    • hub.arcgis.com
    • arc-gis-hub-home-arcgishub.hub.arcgis.com
    • +1more
    Updated Aug 23, 2016
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    Canterbury Regional Council (2016). Land Use Recovery Plan - Key Activity Centres [Dataset]. https://hub.arcgis.com/maps/ecan::land-use-recovery-plan-key-activity-centres
    Explore at:
    Dataset updated
    Aug 23, 2016
    Dataset authored and provided by
    Canterbury Regional Council
    License

    Attribution 3.0 (CC BY 3.0)https://creativecommons.org/licenses/by/3.0/
    License information was derived automatically

    Area covered
    Description

    Key Activity Centres as shown in the Land Use Recovery Plan.Key Activity Centres: Reference layer included in all RPS- UDS PC1 maps

    Published in the notification of the decisions made by the Regional Council on the Commisioners' reccomendations to Proposed Plan Change 1 to Regional Policy Statement regarding the Urban Development Stratgey 19-Dec-2009.

    http://ecan.govt.nz/our-responsibilities/regional-plans/rps/Pages/proposed-change-1-decisions.aspx

  3. a

    Wells and Bores - All

    • arc-gis-hub-home-arcgishub.hub.arcgis.com
    • opendata.canterburymaps.govt.nz
    • +3more
    Updated Jul 16, 2021
    + more versions
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    Canterbury Regional Council (2021). Wells and Bores - All [Dataset]. https://arc-gis-hub-home-arcgishub.hub.arcgis.com/maps/ecan::wells-and-bores-all-1
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    Dataset updated
    Jul 16, 2021
    Dataset authored and provided by
    Canterbury Regional Council
    License

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

    Area covered
    Description

    Wells and Bores as recorded in the Environment Canterbury Wells Database. Note that this may include proposed bores and test bores that have been subsequently filled in.Previously named 'Well and Bores - Wells' prior to November 2019This layer is updated daily via an automated process.

  4. c

    Data from: Walking Tracks

    • opendata.canterburymaps.govt.nz
    • catalogue.data.govt.nz
    • +2more
    Updated Aug 16, 2016
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    Canterbury Regional Council (2016). Walking Tracks [Dataset]. https://opendata.canterburymaps.govt.nz/maps/walking-tracks
    Explore at:
    Dataset updated
    Aug 16, 2016
    Dataset authored and provided by
    Canterbury Regional Council
    License

    Attribution 3.0 (CC BY 3.0)https://creativecommons.org/licenses/by/3.0/
    License information was derived automatically

    Area covered
    Description

    Public walking tracks in the Canterbury Region.

  5. a

    Major Catchment Boundaries

    • canterburymaps-ecan.hub.arcgis.com
    • opendata.canterburymaps.govt.nz
    • +1more
    Updated Sep 7, 2016
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    Canterbury Regional Council (2016). Major Catchment Boundaries [Dataset]. https://canterburymaps-ecan.hub.arcgis.com/maps/major-catchment-boundaries
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    Dataset updated
    Sep 7, 2016
    Dataset authored and provided by
    Canterbury Regional Council
    License

    Attribution 3.0 (CC BY 3.0)https://creativecommons.org/licenses/by/3.0/
    License information was derived automatically

    Area covered
    Description

    Major hydrological catchments in the Canterbury Region.

  6. c

    LWRP - Nutrient Allocation Zones

    • opendata.canterburymaps.govt.nz
    • arc-gis-hub-home-arcgishub.hub.arcgis.com
    Updated Aug 30, 2016
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    Canterbury Regional Council (2016). LWRP - Nutrient Allocation Zones [Dataset]. https://opendata.canterburymaps.govt.nz/maps/lwrp-nutrient-allocation-zones
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    Dataset updated
    Aug 30, 2016
    Dataset authored and provided by
    Canterbury Regional Council
    Area covered
    Description

    Nutrient Allocation Zones as defined in the Land and Water Regional Plan.

  7. c

    Environment Canterbury Constituencies

    • opendata.canterburymaps.govt.nz
    • hub.arcgis.com
    Updated Jul 1, 2019
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    Canterbury Regional Council (2019). Environment Canterbury Constituencies [Dataset]. https://opendata.canterburymaps.govt.nz/datasets/7e8fb00aca274be697ccb097e8ee86ff
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    Dataset updated
    Jul 1, 2019
    Dataset authored and provided by
    Canterbury Regional Council
    Area covered
    Description

    Environment Canterbury documentation page for the recent representation review:https://haveyoursay.ecan.govt.nz/representation-review

  8. d

    Seattle Parks and Recreation GIS Map Layer Web Services URL - Ash Can

    • catalog.data.gov
    • data.seattle.gov
    • +2more
    Updated Jan 31, 2025
    + more versions
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    data.seattle.gov (2025). Seattle Parks and Recreation GIS Map Layer Web Services URL - Ash Can [Dataset]. https://catalog.data.gov/dataset/seattle-parks-and-recreation-gis-map-layer-web-services-url-ash-can-8d43c
    Explore at:
    Dataset updated
    Jan 31, 2025
    Dataset provided by
    data.seattle.gov
    Area covered
    Seattle
    Description

    Seattle Parks and Recreation ARCGIS park feature map layer web services are hosted on Seattle Public Utilities' ARCGIS server. This web services URL provides a live read only data connection to the Seattle Parks and Recreations Ash Can dataset.

  9. c

    Data from: Irrigated Areas

    • opendata.canterburymaps.govt.nz
    • catalogue.data.govt.nz
    • +1more
    Updated Dec 17, 2017
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    Canterbury Regional Council (2017). Irrigated Areas [Dataset]. https://opendata.canterburymaps.govt.nz/datasets/irrigated-areas
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    Dataset updated
    Dec 17, 2017
    Dataset authored and provided by
    Canterbury Regional Council
    License

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

    Area covered
    Description

    Methodology

    The Canterbury irrigated area dataset combines different data, including:

    ·
    farm boundary extents (land ownership and GIS data from Land Information New Zealand)

    ·
    high resolution aerial imagery and/or satellite photos

    ·
    resource consent data

    ·
    analysis of satellite data (using normalised different vegetation index (NDVI) imagery)

    ·
    agricultural production statistics (Statistics New Zealand).

    A summary of the methodology, and tabulated irrigated area data for the Canterbury region and each of its ten water management zones, are found in the report: Canterbury detailed irrigated area mapping (2016). Prepared for Environment Canterbury by Aqualinc Research Limited.

    By “irrigated area” we mean the area actually irrigated for productive gain, not the consented area. Official Environment Canterbury Tech Report: https://api.ecan.govt.nz/TrimPublicAPI/documents/download/3010557

  10. n

    I Can Read a Map!

    • library.ncge.org
    Updated Jul 27, 2021
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    NCGE (2021). I Can Read a Map! [Dataset]. https://library.ncge.org/documents/dc211ddd3ea647469266d244e9355713
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    Dataset updated
    Jul 27, 2021
    Dataset authored and provided by
    NCGE
    License

    Attribution-NonCommercial-ShareAlike 4.0 (CC BY-NC-SA 4.0)https://creativecommons.org/licenses/by-nc-sa/4.0/
    License information was derived automatically

    Description

    Author: A Fore, educator, Minnesota Alliance for Geographic EducationGrade/Audience: grade 2Resource type: lessonSubject topic(s): mapsRegion: united statesStandards: Minnesota Social Studies Standards

    Standard 1. People use geographic representations and geospatial technologies to acquire, process and report information within a spatial context.Objectives: Students will be able to:

    1. Use cardinal directions to describe locations.
    2. Locate places on a U.S. map.
    3. Identify TODALS on their map.
    4. Respond accurately to questions regarding key, scale, compass rose.
    5. Describe spatial information on a map.Summary: Students will use maps to locate places including cities and states referenced in the texts. They will use directional and positional words to locate the describe people, places and things.
  11. a

    ECan River Network

    • arc-gis-hub-home-arcgishub.hub.arcgis.com
    • opendata.canterburymaps.govt.nz
    • +1more
    Updated Dec 1, 2020
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    Canterbury Regional Council (2020). ECan River Network [Dataset]. https://arc-gis-hub-home-arcgishub.hub.arcgis.com/datasets/ecan::ecan-river-network/explore?showTable=true
    Explore at:
    Dataset updated
    Dec 1, 2020
    Dataset authored and provided by
    Canterbury Regional Council
    License

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

    Area covered
    Description

    Intended UseThe River Network is a geometric network and should be used for visualising the main rivers, streams and drains in Canterbury. It forms the basis for the Rivers for Allocation layer and Stream Depletion Calculations, which link to the Water Allocation Calculator— allocation summary reports to be used by the Customer Services, Planning, Consents, and Science teams.The River Network is based on LINZ river layer and aerial imagery. Attributes include Māori and English river names, river type, feature type, and source metadata. The River Network is hydrologically connected and traceable. Attributes still to be assigned to network include drain type, permanence, and bed extent. Attributes from NIWA’s River Environment Classification (REC) layer that make up the river type classification (network position, climate, source of flow, geology, landcover and valley landform) have been spatially associated but still need to be quality checked.Information users are urged to contact the Water Data Programme (WDP) directly if errors are identified.DisclaimerThis information is accurate to the best of Environment Canterbury’s knowledge and belief. While Environment Canterbury has exercised reasonable skill and care in the preparation, recording and management of this information, this information may be subject to changes as more information becomes available.Environment Canterbury accepts no liability in contract, tort or otherwise for any direct, indirect, consequential or incidental damage, loss, injury or expense that arises from any errors in the information, whether due to Environment Canterbury or a third party, or that arises from the provision, use, or misuse, of the information available from this site.Attribute InformationRiver Information:RiverName – name of river, catchment, or surface water body as defined by LINZMāoriName – Māori name of river, catchment, or surface water body as defined by LINZDrainType – type of drain, as described in Hinds drains layer (i.e. Main, Secondary)Permanence – permanence of river flow (i.e. Perennial (P), Ephemeral (E), Intermittent (I)); null values for now, as these category definitions still need to be agreed upon across teamsBedExtent – width of the riverbed; will accompany braided river polygon layerRiverType – river classification based on REC characteristics and water quality scientist review; values have been spatially derived, but need to be reconfirmedFeatureType – type of line feature (i.e. river, drain, braided river centreline)Environmental Characteristics: see REC attributes metadataClimate – affects patterns of water quality, flood frequency, low flow period, evapotranspiration; climate categories (i.e. warm-dry WD, cool-extremely-wet CX)SourceOfFlow – topography influences sediment patterns, erosion, precipitation storage, and river form; flow categories assigned using a mix of topographic data (i.e. glacial-mountain GM, mountain M, hill H, low-elevation L, lake Lk) and manual designation (i.e. spring Sp, wetland W, regulated R)Geology – catchment geology controls groundwater storage capacity and transmissivity; developed from the toprock category in the Land Resources Inventory (LRI) (i.e. alluvium Al, hard sedimentary rocks HS, soft sedimentary SS, volcanic basic VB, volcanic acidic VA, plutonics Pl, miscellaneous M)Landcover – control for rainfall capture or runoff and potential evapotranspiration; categories developed from New Zealand Land Cover Database (LCDB) (i.e. bare ground B, indigenous forest IF, scrub / tussock T, pastoral P, exotic forestry EF, urban U)NetworkPosition – stream order relates to river form (i.e. low-order LO for headwater streams, middle-order MO for tributaries, high-order HO for main stems)ValleyLandform – indicative of geology and geomorphology, including erosive / depositional setting; derived from slope (i.e. high-gradient HG, medium-gradient MG, low-gradient LG)GIS Attributes:Spatial IDs: ObjectID, GlobalIDSpatial Fields: Shape, Shape.STLength()Source – data source (LINZ river lines, aerial imagery, ECan)SourceNote – note about data source (i.e. specific source layer)History Fields: CreatedBy, CreatedDate, ModifiedBy, ModifiedDate

  12. c

    Resource Consents Active

    • opendata.canterburymaps.govt.nz
    • hub.arcgis.com
    Updated Sep 14, 2016
    + more versions
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    Canterbury Regional Council (2016). Resource Consents Active [Dataset]. https://opendata.canterburymaps.govt.nz/datasets/resource-consents-active
    Explore at:
    Dataset updated
    Sep 14, 2016
    Dataset authored and provided by
    Canterbury Regional Council
    License

    Attribution 3.0 (CC BY 3.0)https://creativecommons.org/licenses/by/3.0/
    License information was derived automatically

    Area covered
    Description

    General locations of current consents, permits and applications under the Resource Management Act by Environment Canterbury Regional Council.

    The layer includes details on: The type of permit (land use consent, discharge permit, etc.), the current status of the permit (active, in process, etc.), the name of the applicant, a description of the location where the activity related to the permit is undertaken, and if the permit was successfully issued, the period over which the permiitted activities apply.

    The layer also contains several sumary fields related to spatially defined regions the location lies with including: which territorial local authority(s); the Land and Water Regional Plan groundwater & surface water allocation zones and nutrient management zone; the Canterbury Water Management Strategy (CWMS) zone; the Ngai Tahu Runanga area of interest for Resource Consenting purposes; and the clean air zone.

  13. National Geographic Style Map

    • indianamap.org
    • noveladata.com
    • +14more
    Updated May 5, 2018
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    Esri (2018). National Geographic Style Map [Dataset]. https://www.indianamap.org/maps/f33a34de3a294590ab48f246e99958c9
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    Dataset updated
    May 5, 2018
    Dataset authored and provided by
    Esrihttp://esri.com/
    Area covered
    Description

    This National Geographic Style Map (World Edition) web map provides a reference map for the world that includes administrative boundaries, cities, protected areas, highways, roads, railways, water features, buildings, and landmarks, overlaid on shaded relief and a colorized physical ecosystems base for added context to conservation and biodiversity topics. Alignment of boundaries is a presentation of the feature provided by our data vendors and does not imply endorsement by Esri, National Geographic or any governing authority.This basemap, included in the ArcGIS Living Atlas of the World, uses the National Geographic Style vector tile layer and the National Geographic Style Base and World Hillshade raster tile layers.The vector tile layer in this web map is built using the same data sources used for other Esri Vector Basemaps. For details on data sources contributed by the GIS community, view the map of Community Maps Basemap Contributors. Esri Vector Basemaps are updated monthly.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 layers referenced in this map.

  14. National Hydrography Dataset Plus Version 2.1

    • oregonwaterdata.org
    • resilience.climate.gov
    • +3more
    Updated Aug 16, 2022
    + more versions
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    Esri (2022). National Hydrography Dataset Plus Version 2.1 [Dataset]. https://www.oregonwaterdata.org/maps/4bd9b6892530404abfe13645fcb5099a
    Explore at:
    Dataset updated
    Aug 16, 2022
    Dataset authored and provided by
    Esrihttp://esri.com/
    Area covered
    Description

    The National Hydrography Dataset Plus (NHDplus) maps the lakes, ponds, streams, rivers and other surface waters of the United States. Created by the US EPA Office of Water and the US Geological Survey, the NHDPlus provides mean annual and monthly flow estimates for rivers and streams. Additional attributes provide connections between features facilitating complicated analyses. For more information on the NHDPlus dataset see the NHDPlus v2 User Guide.Dataset SummaryPhenomenon Mapped: Surface waters and related features of the United States and associated territories not including Alaska.Geographic Extent: The United States not including Alaska, Puerto Rico, Guam, US Virgin Islands, Marshall Islands, Northern Marianas Islands, Palau, Federated States of Micronesia, and American SamoaProjection: Web Mercator Auxiliary Sphere Visible Scale: Visible at all scales but layer draws best at scales larger than 1:1,000,000Source: EPA and USGSUpdate Frequency: There is new new data since this 2019 version, so no updates planned in the futurePublication Date: March 13, 2019Prior to publication, the NHDPlus network and non-network flowline feature classes were combined into a single flowline layer. Similarly, the NHDPlus Area and Waterbody feature classes were merged under a single schema.Attribute fields were added to the flowline and waterbody layers to simplify symbology and enhance the layer's pop-ups. Fields added include Pop-up Title, Pop-up Subtitle, On or Off Network (flowlines only), Esri Symbology (waterbodies only), and Feature Code Description. All other attributes are from the original NHDPlus dataset. No data values -9999 and -9998 were converted to Null values for many of the flowline fields.What can you do with this layer?Feature layers work throughout the ArcGIS system. Generally your work flow with feature layers will begin in ArcGIS Online or ArcGIS Pro. Below are just a few of the things you can do with a feature service in Online and Pro.ArcGIS OnlineAdd this layer to a map in the map viewer. The layer is limited to scales of approximately 1:1,000,000 or larger but a vector tile layer created from the same data can be used at smaller scales to produce a webmap that displays across the full range of scales. The layer or a map containing it can be used in an application. Change the layer’s transparency and set its visibility rangeOpen the layer’s attribute table and make selections. Selections made in the map or table are reflected in the other. Center on selection allows you to zoom to features selected in the map or table and show selected records allows you to view the selected records in the table.Apply filters. For example you can set a filter to show larger streams and rivers using the mean annual flow attribute or the stream order attribute. Change the layer’s style and symbologyAdd labels and set their propertiesCustomize the pop-upUse as an input to the ArcGIS Online analysis tools. This layer works well as a reference layer with the trace downstream and watershed tools. The buffer tool can be used to draw protective boundaries around streams and the extract data tool can be used to create copies of portions of the data.ArcGIS ProAdd this layer to a 2d or 3d map. Use as an input to geoprocessing. For example, copy features allows you to select then export portions of the data to a new feature class. Change the symbology and the attribute field used to symbolize the dataOpen table and make interactive selections with the mapModify the pop-upsApply Definition Queries to create sub-sets of the layerThis layer is part of the ArcGIS Living Atlas of the World that provides an easy way to explore the landscape layers and many other beautiful and authoritative maps on hundreds of topics.Questions?Please leave a comment below if you have a question about this layer, and we will get back to you as soon as possible.

  15. g

    USGS - National Map

    • data.geospatialhub.org
    Updated Jul 22, 2021
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    WyomingGeoHub (2021). USGS - National Map [Dataset]. https://data.geospatialhub.org/items/f04d03886d4a480fbc515cc71f583f67
    Explore at:
    Dataset updated
    Jul 22, 2021
    Dataset authored and provided by
    WyomingGeoHub
    Description

    From https://www.usgs.gov/core-science-systems/national-geospatial-program/national-map :"The National Map is a suite of products and services that provide access to base geospatial information to describe the landscape of the United States and its territories. The National Map embodies 11 primary products and services and numerous applications and ancillary services. The National Map supports data download, digital and print versions of topographic maps, geospatial data services, and online viewing. Customers can use geospatial data and maps to enhance their recreational experience, make life-saving decisions, support scientific missions, and for countless other activities. Nationally consistent geospatial data from The National Map enable better policy and land management decisions and the effective enforcement of regulatory responsibilities. The National Map is easily accessible for display on the Web through such products as topographic maps and services and as downloadable data. The geographic information available from The National Map includes boundaries, elevation, geographic names, hydrography, land cover, orthoimagery, structures, and transportation. The majority of The National Map effort is devoted to acquiring and integrating medium-scale (nominally 1:24,000 scale) geospatial data for the eight base layers from a variety of sources and providing access to theresulting seamless coverages of geospatial data. The National Map also serves as the source of base mapping information for derived cartographic products, including 1:24,000 scale US Topo maps and georeferenced digital files of scanned historic topographic maps. Data sets and products from The National Map are intended for use by government, industry, and academia—focusing on geographic information system (GIS) users—as well as the public, especially in support of recreation activities. Other types of georeferenced or mapping information can be added within The National Map Viewer or brought in with The National Map data into a GIS to create specific types of maps or map views and (or) to perform modeling or analyses."

  16. G

    Digital Topographic Raster Maps, 1944-2012

    • open.canada.ca
    • datasets.ai
    • +2more
    geopdf, geotif, kmz +2
    Updated Feb 1, 2022
    + more versions
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    Natural Resources Canada (2022). Digital Topographic Raster Maps, 1944-2012 [Dataset]. https://open.canada.ca/data/en/dataset/d248b5be-5887-4cfb-942f-d425d82e6ea9
    Explore at:
    pdf, tiff, geotif, kmz, geopdfAvailable download formats
    Dataset updated
    Feb 1, 2022
    Dataset provided by
    Natural Resources Canada
    License

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

    Time period covered
    Jan 1, 1944 - Jan 1, 2012
    Description

    This group of maps, which includes the CanMatrix and CanTopo collections, is now a legacy product that is no longer maintained. It may not meet current government standards. Natural Resources Canada's (NRCan) topographic raster maps provide a representation of the topographic phenomena of the Canadian landmass. Several editions of paper maps have been produced over time in order to offer improved products compared to their predecessors in terms of quality and the most up to date information possible. The georeferenced maps can be used in a Geographic Information System (GIS). In all cases, they accurately represent the topographical data available for the date indicated (validity date). The combination of CanMatrix and CanTopo data provides complete national coverage. • CanMatrix - Print Ready: Raster maps produced by scanning topographic maps at scales from 1:25 000 to 1:1 000 000. This product is not georeferenced. Validity dates: 1944 to 2005 (1980 on average). Available formats: PDF and TIFF • CanMatrix - Georeferenced: Raster maps produced by scanning topographic maps at scales of 1:50 000 and 1:250 000. These maps are georeferenced according to the 1983 North American Reference System (NAD 83). Validity dates: 1944 to 2005 (1980 on average). Available format: GeoTIFF • CanTopo: Digital raster maps produced mainly from the GeoBase initiative, NRCan digital topographic data, and other sources. Approximately 2,234 datasets (maps) at scale of 1:50 000, primarily covering northern Canada, are available. CanTopo datasets in GeoPDF and GeoTIFF format are georeferenced according to the 1983 North American Reference System (NAD 83). Validity dates: 1946 to 2012 (2007 on average). Available formats: PDF, GeoPDF, TIFF and GeoTIFF

  17. c

    Horse Tracks

    • opendata.canterburymaps.govt.nz
    • hub.arcgis.com
    Updated Aug 16, 2016
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    Canterbury Regional Council (2016). Horse Tracks [Dataset]. https://opendata.canterburymaps.govt.nz/maps/ecan::horse-tracks
    Explore at:
    Dataset updated
    Aug 16, 2016
    Dataset authored and provided by
    Canterbury Regional Council
    License

    Attribution 3.0 (CC BY 3.0)https://creativecommons.org/licenses/by/3.0/
    License information was derived automatically

    Area covered
    Description

    Horse riding tracks in the Canterbury Region.

  18. d

    GIS data of urchin barren mapping in Northeastern New Zealand

    • dataone.org
    • datadryad.org
    Updated Feb 6, 2024
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    Vince Kerr (2024). GIS data of urchin barren mapping in Northeastern New Zealand [Dataset]. http://doi.org/10.5061/dryad.8gtht76w3
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    Dataset updated
    Feb 6, 2024
    Dataset provided by
    Dryad Digital Repository
    Authors
    Vince Kerr
    Time period covered
    Jan 1, 2023
    Area covered
    New Zealand
    Description

    On shallow rocky reefs in northeastern Aotearoa, New Zealand, urchin barrens are recognised as indicators of the ecosystem effects of overfishing reef predators. Yet, information on their extent and variability is lacking. We use aerial imagery to map the urchin barrens and kelp forests on reefs (<30 m depth) across seven locations, including within two long-established marine reserves and a marine protected area that allows recreational fishing. Urchin barrens were present in all locations and were restricted to reefs <10-16 m deep. This archive contains ArcGIS shapefiles and layer files for all of the maps used in this study. The study area extends from Cape Reinga in the far north of the North Island to Tawharanui in the Hauraki Gulf near Auckland. Regional scale base maps of the prominent marine habitats were included along with the seven fine-scale maps where the kelp forests and urchin barrens were mapped., The GIS shapefiles produced in this study were hand-drawn over layers of low-level aerial photography taken in specific conditions, which maximised the visible depth observable to create polygons to depict the habitat boundaries of the shallow reef. Of particular interest was the mapping of urchin barrens. Ground truthing surveys creating point data and underwater imagery were also brought into the GIS project to assist in drawing the reef habitat polygons. Arc layer files contain a common symbology across the seven study maps to aid the interpretation of the mapping. Further information on the methodology used in the mapping can be found in two published papers and four technical reports corresponding to the maps. The Readme file details where technical reports and published reports can be downloaded from the internet., , # GIS data of urchin barren mapping in Northeastern New Zealand

    GIS mapping resources supporting the research article: Kerr, V.C. Grace R.V. (deceased), and Shears N.T., 2004. Estimating the extent of urchin barrens and kelp forest loss in northeastern Aotearoa, New Zealand. Kerr and Associates, Whangarei, New Zealand.

    Description of the data and file structure

    Four folders in this archive contain ArcGIS shapefiles with the extension (.shp). The shapefiles can be uploaded to ArcGIS or any ArcGIS-compatible software to view and access the files' spatial data and habitat attributes. It is essential to retain the associated files in each folder as these are system files required by ArcGIS to open and use the shapefiles. Each shapefile has six associated files with extensions: .avi, .CPG, .dbf, .prf, .sbn, and .sbx. In this archive are maps based on polygons drawn to depict habitat boundaries of biological and physical habitats in the shallow coastal areas of Northeastern New Zealan...

  19. USGS Historical Topographic Map Explorer

    • data.amerigeoss.org
    • communities-amerigeoss.opendata.arcgis.com
    • +1more
    Updated Oct 10, 2019
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    Esri (2019). USGS Historical Topographic Map Explorer [Dataset]. https://data.amerigeoss.org/dataset/usgs-historical-topographic-map-explorer1
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    arcgis geoservices rest api, htmlAvailable download formats
    Dataset updated
    Oct 10, 2019
    Dataset provided by
    Esrihttp://esri.com/
    Description

    The ArcGIS Online US Geological Survey (USGS) topographic map collection now contains over 177,000 historical quadrangle maps dating from 1882 to 2006. The USGS Historical Topographic Map Explorer app brings these maps to life through an interface that guides users through the steps for exploring the map collection:

    • Find a location of interest.
    • View the maps.
    • Compare the maps.
    • Download and share the maps or open them in ArcGIS Desktop (ArcGIS Pro or ArcMap) where places will appear in their correct geographic location.
    • Save the maps in an ArcGIS Online web map.

    Finding the maps of interest is simple. Users can see a footprint of the map in the map view before they decide to add it to the display, and thumbnails of the maps are shown in pop-ups on the timeline. The timeline also helps users find maps because they can zoom and pan, and maps at select scales can be turned on or off by using the legend boxes to the left of the timeline. Once maps have been added to the display, users can reorder them by dragging them. Users can also download maps as zipped GeoTIFF images. Users can also share the current state of the app through a hyperlink or social media. This ArcWatch article guides you through each of these steps: https://www.esri.com/esri-news/arcwatch/1014/envisioning-the-past.


    Once signed in, users can create a web map with the current map view and any maps they have selected. The web map will open in ArcGIS Online. The title of the web map will be the same as the top map on the side panel of the app. All historical maps that were selected in the app will appear in the Contents section of the web map with the earliest at the top and the latest at the bottom. Turning the historical maps on and off or setting the transparency on the layers allows users to compare the historical maps over time. Also, the web map can be opened in ArcGIS Desktop (ArcGIS Pro or ArcMap) and used for exploration or data capture.

    Users can find out more about the USGS topograhic map collection and the app by clicking on the information button at the upper right. This opens a pop-up with information about the maps and app. The pop-up includes a useful link to a USGS web page that provides access to documents with keys explaining the symbols on historic and current USGS topographic maps. The pop-up also has a link to send Esri questions or comments about the map collection or the app.

    We have shared the updated app on GitHub, so users can download it and configure it to work with their own map collections.

  20. ACS Population Variables - Boundaries

    • opendata.suffolkcountyny.gov
    • heat.gov
    • +11more
    Updated Aug 16, 2022
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    Esri (2022). ACS Population Variables - Boundaries [Dataset]. https://opendata.suffolkcountyny.gov/maps/f430d25bf03744edbb1579e18c4bf6b8
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    Dataset updated
    Aug 16, 2022
    Dataset authored and provided by
    Esrihttp://esri.com/
    Area covered
    Description

    This layer shows total population count by sex and age group. This is shown by tract, county, and state boundaries. This service is updated annually to contain the most currently released American Community Survey (ACS) 5-year data, and contains estimates and margins of error. There are also additional calculated attributes related to this topic, which can be mapped or used within analysis. This layer is symbolized to show the percentage of the population that are considered dependent (ages 65+ and <18). To see the full list of attributes available in this service, go to the "Data" tab, and choose "Fields" at the top right. Current Vintage: 2019-2023ACS Table(s): B01001Data downloaded from: Census Bureau's API for American Community Survey Date of API call: December 12, 2024National Figures: data.census.govThe United States Census Bureau's American Community Survey (ACS):About the SurveyGeography & ACSTechnical DocumentationNews & UpdatesThis ready-to-use layer can be used within ArcGIS Pro, ArcGIS Online, its configurable apps, dashboards, Story Maps, custom apps, and mobile apps. Data can also be exported for offline workflows. For more information about ACS layers, visit the FAQ. Please cite the Census and ACS when using this data.Data Note from the Census:Data are based on a sample and are subject to sampling variability. The degree of uncertainty for an estimate arising from sampling variability is represented through the use of a margin of error. The value shown here is the 90 percent margin of error. The margin of error can be interpreted as providing a 90 percent probability that the interval defined by the estimate minus the margin of error and the estimate plus the margin of error (the lower and upper confidence bounds) contains the true value. In addition to sampling variability, the ACS estimates are subject to nonsampling error (for a discussion of nonsampling variability, see Accuracy of the Data). The effect of nonsampling error is not represented in these tables.Data Processing Notes:This layer is updated automatically when the most current vintage of ACS data is released each year, usually in December. The layer always contains the latest available ACS 5-year estimates. It is updated annually within days of the Census Bureau's release schedule. Click here to learn more about ACS data releases.Boundaries come from the US Census TIGER geodatabases, specifically, the National Sub-State Geography Database (named tlgdb_(year)_a_us_substategeo.gdb). Boundaries are updated at the same time as the data updates (annually), and the boundary vintage appropriately matches the data vintage as specified by the Census. These are Census boundaries with water and/or coastlines erased for cartographic and mapping purposes. For census tracts, the water cutouts are derived from a subset of the 2020 Areal Hydrography boundaries offered by TIGER. Water bodies and rivers which are 50 million square meters or larger (mid to large sized water bodies) are erased from the tract level boundaries, as well as additional important features. For state and county boundaries, the water and coastlines are derived from the coastlines of the 2023 500k TIGER Cartographic Boundary Shapefiles. These are erased to more accurately portray the coastlines and Great Lakes. The original AWATER and ALAND fields are still available as attributes within the data table (units are square meters).The States layer contains 52 records - all US states, Washington D.C., and Puerto RicoCensus tracts with no population that occur in areas of water, such as oceans, are removed from this data service (Census Tracts beginning with 99).Percentages and derived counts, and associated margins of error, are calculated values (that can be identified by the "_calc_" stub in the field name), and abide by the specifications defined by the American Community Survey.Field alias names were created based on the Table Shells file available from the American Community Survey Summary File Documentation page.Negative values (e.g., -4444...) have been set to null, with the exception of -5555... which has been set to zero. These negative values exist in the raw API data to indicate the following situations:The margin of error column indicates that either no sample observations or too few sample observations were available to compute a standard error and thus the margin of error. A statistical test is not appropriate.Either no sample observations or too few sample observations were available to compute an estimate, or a ratio of medians cannot be calculated because one or both of the median estimates falls in the lowest interval or upper interval of an open-ended distribution.The median falls in the lowest interval of an open-ended distribution, or in the upper interval of an open-ended distribution. A statistical test is not appropriate.The estimate is controlled. A statistical test for sampling variability is not appropriate.The data for this geographic area cannot be displayed because the number of sample cases is too small.

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Canterbury Regional Council (2016). Environment Canterbury Land [Dataset]. https://hub.arcgis.com/maps/ecan::environment-canterbury-land

Environment Canterbury Land

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17 scholarly articles cite this dataset (View in Google Scholar)
Dataset updated
Sep 19, 2016
Dataset authored and provided by
Canterbury Regional Council
License

Attribution 3.0 (CC BY 3.0)https://creativecommons.org/licenses/by/3.0/
License information was derived automatically

Area covered
Description

Environment Canterbury Land.

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