2 datasets found
  1. NYC Stormwater Flood Maps

    • data.cityofnewyork.us
    application/rdfxml +5
    Updated Jul 3, 2024
    + more versions
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    Department of Environmental Protection (DEP) (2024). NYC Stormwater Flood Maps [Dataset]. https://data.cityofnewyork.us/Environment/NYC-Stormwater-Flood-Maps/9i7c-xyvv
    Explore at:
    tsv, csv, application/rdfxml, json, application/rssxml, xmlAvailable download formats
    Dataset updated
    Jul 3, 2024
    Dataset provided by
    New York City Department of Environmental Protectionhttp://www.nyc.gov/dep
    Authors
    Department of Environmental Protection (DEP)
    Area covered
    New York
    Description

    A collection of citywide Geographic Information System (GIS) layers that show areas of potential flooding scenarios under varying sea level rise conditions. Please see the New York City Stormwater Resiliency Plan for more information about the methodology applied to develop the maps. Please direct questions or comments to StormwaterResiliency@cityhall.nyc.gov.

    This collection contains the following NYC Stormwater Flood Maps:

    • NYC Stormwater Flood Map - Extreme Flood (3.66 inches/hr) with 2080 Sea Level Rise
    • NYC Stormwater Flood Map - Moderate Flood (2.13 inches/hr) with 2050 Sea Level Rise
    • NYC Stormwater Flood Map - Moderate Flood (2.13 inches/hr) with Current Sea Levels
    • NYC Stormwater Flood Map - Limited Flood (1.77 inches/hr) with Current Sea Levels
    https://www1.nyc.gov/assets/orr/pdf/publications/stormwater-resiliency-plan.pdf

    Source Data: http://nyc.gov/stormwater-map

  2. a

    NYC Stormwater Flood Map Extreme Flood

    • unification-for-underground-resilience-measures-open-data-nyuds.hub.arcgis.com
    Updated Feb 14, 2022
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    ja22_sk9655 (2022). NYC Stormwater Flood Map Extreme Flood [Dataset]. https://unification-for-underground-resilience-measures-open-data-nyuds.hub.arcgis.com/items/4408a2425a3c4ec1b33b12fe482c42a9
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    Dataset updated
    Feb 14, 2022
    Dataset authored and provided by
    ja22_sk9655
    Area covered
    Description

    The geodatabase contains a single feature class that shows three (3) flooding categories. The "1-Nuisance Flooding" (ponding depths greater or equal to 4 in. and less than 1 ft.) and "2-Deep and Contiguous Flooding" (ponding depths 1 ft. and greater) categories were created using hydrologic and hydraulic computer models and represent flood risk due to extreme rainfall. The third category, "3-Future High Tides 2080", shows coastal tidal inundation based on the NYC Panel on Climate Change 90th percentile estimates for the 2080's and is sourced from the NYC Flood Hazard Mapper. Please refer to the New York City Stormwater Resiliency Plan for more information on the purpose of the study, how datasets were developed, applications for this data, and other details.A coded value domain is used for the "Flooding_Category" field. See Column Info tab of the Data Dictionary for definition of each code.

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Share
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Click to copy link
Link copied
Close
Cite
Department of Environmental Protection (DEP) (2024). NYC Stormwater Flood Maps [Dataset]. https://data.cityofnewyork.us/Environment/NYC-Stormwater-Flood-Maps/9i7c-xyvv
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NYC Stormwater Flood Maps

Explore at:
3 scholarly articles cite this dataset (View in Google Scholar)
tsv, csv, application/rdfxml, json, application/rssxml, xmlAvailable download formats
Dataset updated
Jul 3, 2024
Dataset provided by
New York City Department of Environmental Protectionhttp://www.nyc.gov/dep
Authors
Department of Environmental Protection (DEP)
Area covered
New York
Description

A collection of citywide Geographic Information System (GIS) layers that show areas of potential flooding scenarios under varying sea level rise conditions. Please see the New York City Stormwater Resiliency Plan for more information about the methodology applied to develop the maps. Please direct questions or comments to StormwaterResiliency@cityhall.nyc.gov.

This collection contains the following NYC Stormwater Flood Maps:

  • NYC Stormwater Flood Map - Extreme Flood (3.66 inches/hr) with 2080 Sea Level Rise
  • NYC Stormwater Flood Map - Moderate Flood (2.13 inches/hr) with 2050 Sea Level Rise
  • NYC Stormwater Flood Map - Moderate Flood (2.13 inches/hr) with Current Sea Levels
  • NYC Stormwater Flood Map - Limited Flood (1.77 inches/hr) with Current Sea Levels
https://www1.nyc.gov/assets/orr/pdf/publications/stormwater-resiliency-plan.pdf

Source Data: http://nyc.gov/stormwater-map

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