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GeoFlood WRR Dataset and Tools


Authors: Xing Zheng David Maidment David Tarboton Yan Liu Paola Passalacqua
Owners:
Resource type: Composite Resource
Storage: The size of this resource is 383.7 MB
Created: Sep 15, 2018 at 1:35 a.m.
Last updated: Oct 29, 2018 at 4:30 p.m.
DOI: 10.4211/hs.da4ccabbb6c64b39a053d5b288ecbf34
Citation: See how to cite this resource
Content types: Geographic Raster Content 
Sharing Status: Published
Views: 701
Downloads: 141
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Abstract

This resource contains data and tools used in the paper “GeoFlood: large-scale flood inundation mapping based on high-resolution terrain analysis” submitted to Water Resources Research.
Simple and computationally efficient flood inundation mapping methods are needed to take advantage of increasingly available high-resolution topography data. In this work, we present a new approach, called GeoFlood, for flood inundation mapping using high-resolution topographic data. This approach combines GeoNet, an advanced method for high-resolution terrain data analysis, and the Height Above Nearest Drainage. GeoFlood can rapidly convert real-time forecasted river flow conditions to corresponding flood maps. A case study in central Texas demonstrated that the flood maps generated with our approach capture the majority of the inundated extent reported by detailed FEMA flood studies. Our results show that GeoFlood is a valuable solution for rapid inundation mapping.

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Resource Level Coverage

Spatial

Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
North Latitude
30.2739°
East Longitude
-97.5761°
South Latitude
30.0171°
West Longitude
-98.3323°

Content

Credits

Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
Texas Division of Emergency Management Texas Flood Response System 26-3215-2275

How to Cite

Zheng, X., D. Maidment, D. Tarboton, Y. Liu, P. Passalacqua (2018). GeoFlood WRR Dataset and Tools, HydroShare, https://doi.org/10.4211/hs.da4ccabbb6c64b39a053d5b288ecbf34

This resource is shared under the Creative Commons Attribution CC BY.

 http://creativecommons.org/licenses/by/4.0/
CC-BY

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