SNODAS

Overview
Extent
    Continental United States
Spatial Resolution
    1km
Data Source(s)
    National Operational Hydrologic Remote Sensing Center (NOHRSC)
Science Partner

Description

Snow Data Assimilation System (SNODAS) is a modeling and data assimilation system developed to provide estimates of snow cover and associated parameters to support hydrologic modeling and analysis (Barrett 2003). SNOWDAS integrates multiple data sources including satellite and ground based data into a snow model to produce snow depth and snow water equivalent data.

 

Snow Depth: Depth of snow

Snow Water Equivalent (SWE): Depth of water if snow were to melt completely (volume/area)

Technical Information

Feature
Detail
Extent
Continental United States
Period of Record
2003-present
Spatial Resolution
1km
Temporal Resolution
Daily
Data Summaries
max, min, mean, median, anomalies, trend and statistical significance, spatial and temporal aggregations, time series, standardized indices
Data Source(s)
National Operational Hydrologic Remote Sensing Center (NOHRSC)
Data Formats
raster (geotiff), raster tile (tile ID), time series (.csv, .xls, .json, .geojson)
Sources

Barrett, Andrew. 2003. National Operational Hydrologic Remote Sensing Center Snow Data Assimilation System (SNODAS) Products at NSIDC. NSIDC Special Report 11. Boulder, CO USA: National Snow and Ice Data Center. 19 pp.

End User License Agreement

View the End User License Agreement conditions

Your license is subject to your prior acceptance of either this Licensed Application End User License Agreement (“Standard EULA”), or a custom end user license agreement between you and the Application Provider (“Custom EULA”), if one is provided.

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