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| Type: | Resource | |
| Storage: | The size of this resource is 7.7 MB | |
| Created: | Aug 02, 2022 at 4:38 p.m. | |
| Last updated: | Aug 02, 2022 at 4:43 p.m. | |
| Citation: | See how to cite this resource | |
| Content types: | Geographic Feature Content |
| Sharing Status: | Public |
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| Views: | 837 |
| Downloads: | 31 |
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Abstract
This resource contains medium-resolution (1:100k) National Hydrography Dataset (NHDPlus) [1] map data for a region of 39 Hydrologic Unit Code (HUC) 6-digit (HUC6) basins around the Hurricane Harvey impact zone across Texas, Louisiana, Mississippi and Arkansas. This includes 5978 subwatersheds, 190,192 catchments, and 192,267 flowlines.
USGS active stream gages (924) were downloaded from the USGS National Water Information System (NWIS) [2] and augmented with each gage's HUC2, HUC4, HUC6, HUC8, HUC10 & HUC12 basin identifiers, and COMID of the NHD stream reach for the containing catchment. This allows the user to easily aggregate gages by various watershed boundaries.
NOAA Advanced Hydrologic Prediction System (AHPS) [3] has 362 river forecast points in the Harvey study area. Many of these are co-located with USGS NWIS gages to leverage authoritative observation data.
A shapefile of Texas dams (7290) was directly received from the Texas Commission for Environmental Quality (TCEQ) [4]. They suggest if you have any questions about data, to make an Open Records Request [5].
References
[1] NHDPlus Version 2 [http://www.horizon-systems.com/NHDPlus/V2NationalData.php]
[2] USGS NWIS [https://waterdata.usgs.gov/nwis]
[3] NOAA AHPS [https://water.weather.gov/ahps/forecasts.php]
[4] TCEQ Data and Records [https://www.tceq.texas.gov/agency/data]
[5] TCEQ Open Records Request [https://www.tceq.texas.gov/agency/data/records-services/reqinfo.html]
Subject Keywords
Coverage
Spatial
Content
Data Services
Related Resources
| The content of this resource references | NHDPlus Version 2 [http://www.horizon-systems.com/NHDPlus/V2NationalData.php] |
| The content of this resource references | USGS NWIS [https://waterdata.usgs.gov/nwis] |
| The content of this resource references | NOAA AHPS [https://water.weather.gov/ahps/forecasts.php] |
| The content of this resource references | TCEQ Data and Records [https://www.tceq.texas.gov/agency/data] |
| The content of this resource references | TCEQ Open Records Request [https://www.tceq.texas.gov/agency/data/records-services/reqinfo.html] |
| The content of this resource is derived from | U.S. Geological Survey (USGS), NOAA National Weather Service, Texas Commission for Environmental Quality (TCEQ), D. Arctur (2018). Harvey Basemap - Hydrology Map Data, HydroShare, https://doi.org/10.4211/hs.adb14c9c073e4eee8be82fadb21a0a93, accessed on: 08/02/2022 |
Credits
Funding Agencies
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/
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