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|Created:||Apr 17, 2018 at 6:05 a.m.|
|Last updated:|| Nov 02, 2023 at 8:12 p.m.
|Citation:||See how to cite this resource|
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This collection contains map data often used as base layers for hydrologic and geographic analysis, organized by these categories:
- Addresses and Boundaries (Texas address points, counties, Councils of Government boundaries, Texas Dept of Public Safety districts and regions)
- Hydrology (streams, gages, dams, catchments, watersheds)
- Transportation (Texas roads, railways, bridges, low water crossings)
The Addresses, Transportation and Dams datasets are for Texas only, but the remaining Hydrology data covers an area of 39 HUC6 basins around the Harvey zone across southeast Texas, Louisiana, Mississippi and Arkansas.
These data layers generally date to 2015-2016, so could be considered reasonably representative of the base layers at the time of Hurricane Harvey.
The Texas Address and Base Layers Story Map referenced here  is an interactive web app supported by Esri ArcGIS Online, that provides visualization and access to specific data layers for Texas only.
One other base layer is the Social Vulnerability Index (SVI) developed by the U.S. Centers for Disease Control (CDC). This is used by the emergency response community to anticipate areas where social support systems are weaker, and residents may be more likely to need help.
 Texas Address and Base Layers Story Map [https://www.hydroshare.org/resource/6d5c7dbe0762413fbe6d7a39e4ba1986/]
|Texas-Harvey Basemap - Addresses and Boundaries||Resource||David Arctur||Published|
|Texas Basemap - Transportation Map Data||Resource||David Arctur||Published & Shareable|
|Height Above Nearest Drainage (HAND) for CONUS||Resource||David Arctur||Published|
|Harvey Basemap - Hydrology Map Data||Resource||David Arctur||Published & Shareable|
|Texas Basemap - Lidar DEM||Resource||David Arctur||Published & Shareable|
|CDC Social Vulnerability Index 2014||Resource||David Arctur||Published & Shareable|
|Texas Address and Base Layers Story Map||Resource||Harvey datamgr||Published & Shareable|
|The content of this resource references||Texas Address and Base Layers Story Map [https://www.hydroshare.org/resource/6d5c7dbe0762413fbe6d7a39e4ba1986/]|
|The content of this resource references||CDC SVI map service [http://cuahsi.maps.arcgis.com/home/item.html?id=f951e0df78604cf0ab1fda61a575be6b]|
|This resource has been replaced by a newer version||Arctur, D. (2023). Harvey Basemap Data Collections, HydroShare, http://www.hydroshare.org/resource/bd65feda6bbf4ff59f6d8f985963d717|
|Title||Owners||Sharing Status||My Permission|
|Hurricane Harvey 2017 Collection||David Arctur · Harvey datamgr · Christine Thies||Published||Open Access|
This resource was created using funding from the following sources:
|Agency Name||Award Title||Award Number|
|National Science Foundation (NSF)||RAPID: Archiving and Enabling Community Access to Data from Recent US Hurricanes||1761673|
How to Cite
This resource is shared under the Creative Commons Attribution CC BY.http://creativecommons.org/licenses/by/4.0/