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Yan Liu

UIUC/CyberGIS | Senior Research Programmer

Subject Areas: CyberGIS, high performance computing, spatial optimization, supercomputing applications

 Recent activity

ABSTRACT:

Height Above Nearest Drainage (HAND) is an approach for estimating the vertical height of any point on the landscape from the nearest stream surface or bed. This dataset is based on the U.S. Geological Survey's National Elevation Dataset (NED) with 10-meter horizontal resolution, comprising raster data for the 331 HUC-6 units in conterminous U.S. (CONUS), excluding the five units of the great lakes. This was developed at the UIUC CyberGIS supercomputing facility, and is now archived at the UT Austin TACC (Texas Advanced Computing Center) for download.

To interactively select HAND data by HUC6 basin in either the Harvey or Irma hydrologic study area, use the Harvey Archive Story Map [http://arcg.is/001jje] or the Irma Archive Story Map [http://arcg.is/PSOKH] and click on the HAND tab. To directly browse this data for anywhere in CONUS, visit [https://web.corral.tacc.utexas.edu/nfiedata/].

For an explanation of the contents of the nfiedata folder at TACC, see README file for this resource.

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ABSTRACT:

This app launches the CyberGIS-TauDEM gateway app set to take a HydroShare raster resource as an input. This app will use OAuth to authorize the access to HydroShare data from CyberGIS Gateway. The Gateway will then compute TauDEM products for the user and push results back to HydroShare on behalf of the user.

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 Contact

Resources
All 0
Collection 0
Composite Resource 0
Generic 0
Geographic Feature 0
Geographic Raster 0
HIS Referenced Time Series 0
Model Instance 0
Model Program 0
MODFLOW Model Instance Resource 0
Multidimensional (NetCDF) 0
Script Resource 0
SWAT Model Instance 0
Time Series 0
Web App 0
Web App Resource Web App Resource
TauDEM CyberGIS Hydrologic Terrain Analysis App
Created: Feb. 18, 2016, 11:44 p.m.
Authors: Yan Liu · David Tarboton

ABSTRACT:

This app launches the CyberGIS-TauDEM gateway app set to take a HydroShare raster resource as an input. This app will use OAuth to authorize the access to HydroShare data from CyberGIS Gateway. The Gateway will then compute TauDEM products for the user and push results back to HydroShare on behalf of the user.

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Generic Generic
Height Above Nearest Drainage (HAND) for CONUS
Created: April 21, 2018, 2:36 a.m.
Authors: Yan Liu

ABSTRACT:

Height Above Nearest Drainage (HAND) is an approach for estimating the vertical height of any point on the landscape from the nearest stream surface or bed. This dataset is based on the U.S. Geological Survey's National Elevation Dataset (NED) with 10-meter horizontal resolution, comprising raster data for the 331 HUC-6 units in conterminous U.S. (CONUS), excluding the five units of the great lakes. This was developed at the UIUC CyberGIS supercomputing facility, and is now archived at the UT Austin TACC (Texas Advanced Computing Center) for download.

To interactively select HAND data by HUC6 basin in either the Harvey or Irma hydrologic study area, use the Harvey Archive Story Map [http://arcg.is/001jje] or the Irma Archive Story Map [http://arcg.is/PSOKH] and click on the HAND tab. To directly browse this data for anywhere in CONUS, visit [https://web.corral.tacc.utexas.edu/nfiedata/].

For an explanation of the contents of the nfiedata folder at TACC, see README file for this resource.

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