25- and 100-year Return Level Extreme Snow Water Equivalent and Snowmelt Maps over the CONUS

Resource type: Composite Resource
Storage: The size of this resource is 11.4 MB
Created: Aug 28, 2020 at 4:05 a.m.
Last updated: Sep 09, 2020 at 4:59 a.m.
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Content types: Geographic Raster Content 
Sharing Status: Discoverable
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This resource is a repository of the 25- and 100-year return level design maps of 4-km gridded snow water equivalent (SWE) and 1- and 7-day snowmelt over the Contiguous United States (CONUS). The maps are developed using long-term observation-based 4-km gridded SWE developed by University of Arizona (UA SWE) incorporating the 1-km gridded national snow model product (SNOw Data Assimilation System; SNODAS). Please see Cho et al. (2020) in Water Resources Research (WRR) for full details.

Map Metadata (+proj=longlat +ellps=WGS84 +towgs84=0,0,0,-0,-0,-0,0 +no_defs)
SWE maps (unit: mm)
1-day snowmelt maps (unit: mm/1-day)
7-day snowmelt maps (unit: mm/7-day)

Preferred citation:
Cho, E. and Jacobs, J. M. (2020). Extreme Value Snow Water Equivalent and Snowmelt for Infrastructure Design over the Contiguous United States. Water Resources Research

Corresponding author: Eunsang Cho (ec1072@wildcats.unh.edu; eunsang.cho@nasa.gov)

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Resource Level Coverage


Coordinate System/Geographic Projection:
WGS 84 EPSG:4326
Coordinate Units:
Decimal degrees
Place/Area Name:
Contiguous United States
North Latitude
East Longitude
South Latitude
West Longitude


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Funding Agencies

This resource was created using funding from the following sources:
Agency Name Award Title Award Number
National Aeronautics and Space Administration Water Resources Applied Sciences Program NNX15AC47G

How to Cite

Cho, E., J. M. Jacobs (2020). 25- and 100-year Return Level Extreme Snow Water Equivalent and Snowmelt Maps over the CONUS, HydroShare, http://www.hydroshare.org/resource/c50069a2e1fa43418d1ee75c0e92313e

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



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