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NLDAS Mosaic Land Surface Model L4 Hourly 0.125 x 0.125 degree V002

Summary

Type of release
a one-off release of a single dataset

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
8 July 2015
Modified Date
31 August 2015
Update Frequency
irregular
Publishers
National Aeronautics and Space Administration
Keywords
atmosphere, atmospheric-radiation, atmospheric-water-vapor, biosphere, cryosphere, earth-science, land-surface, national-geospatial-data-asset, ngda, precipitation, snow-ice, soils, surface-radiative-properties, surface-thermal-properties, surface-water, terrestrial-hydrosphere, vegetation
Identifier
nldas-mosaic-land-surface-model-l4-hourly-0-125-x-0-125-degree-v002-ef7c4
Landing Page
http://reverb.echo.nasa.gov/reverb?selected=C195219570-GSFCS4PA
Maintainers
PLEASE CONTACT GES DISC HELP DESK SUPPORT GROUP gsfc-help-disc@lists.nasa.gov
Theme
geospatial
Language
en-US

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Description

This data set contains a series of land surface parameters simulated from the Mosaic land-surface model (LSM) for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). The data are in 1/8th degree grid spacing and range from Jan 1979 to the present. The temporal resolution is hourly. The file format is WMO GRIB-1. Details about the NLDAS-2 configuration of the Mosaic LSM can be found in Xia et al. (2012). Mosaic was developed by Koster and Suarez (1994, 1996) to account for subgrid vegetation variability with a tile approach. Each vegetation tile carries its own energy and water balance and soil moisture and temperature. Each tile has three soil layers, with the first two in the root zone. In NLDAS, Mosaic is configured to support a maximum of 10 tiles per grid cell with a 5% cutoff that ignores vegetation classes covering less than 5% of the cell. Additionally in NLDAS, all tiles of Mosaic in a grid cell have a predominant soil type and three soil layers with fixed thickness values of 10, 30, and 160 cm (hence constant rooting depth of 40 cm and constant total column depth of 200 cm). The Mosaic LSM was forced by the hourly NLDAS-2 forcing "File A" files, and contains thirty-seven fields. The data set applies a user-defined parameter table to indicate the contents and parameter number. The GRIBTAB file (http://disc.sci.gsfc.nasa.gov/hydrology/grib_tabs/gribtab_NLDAS_MOS.002.txt) shows a list of parameters for this data set, along with their Product Definition Section (PDS) IDs and units. For information about the vertical layers of the Soil Moisture Content (PDS 086) and Soil Temperature (PDS 085), please see the README Document at ftp://hydro1.sci.gsfc.nasa.gov/data/s4pa/NLDAS/README.NLDAS2.pdf or the GrADS ctl file at ftp://hydro1.sci.gsfc.nasa.gov/data/gds/NLDAS/NLDAS_MOS0125_H.002.ctl.

General Information

Legal Information

This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

  • The rights statement is at

    http://catalog.data.gov/dataset/nldas-mosaic-land-surface-model-l4-hourly-0-125-x-0-125-degree-v002-ef7c4 Do you think this data is incorrect? Let us know

  • Outside the US, this data is available under

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  • The content is available under

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  • This data contains

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  • The data appears in this collection

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  • The accuracy or relevance of this data will

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