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GLDAS Mosaic Land Surface Model L4 3 Hourly 1.0 x 1.0 degree Subsetted V001 (GLDAS_MOS10SUBP_3H) at GES DISC
Entry ID: GES_DISC_GLDAS_MOS10SUBP_3H_V001

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Summary

Abstract: This data set contains a series of land surface parameters simulated from the Mosaic model in the Global Land Data Assimilation System (GLDAS). The data are in 1.0 degree resolution and range from 1979 to the present. The temporal resolution is 3-hour.

This simulation was forced by combination of NOAA/GDAS atmospheric analysis fields, spatially and temporally disaggregated NOAA Climate Prediction Center Merged Analysis of Precipitation (CMAP) fields, and observation based downward shortwave and longwave radiation fields derived using the method of the Air Force Weather Agency's AGRicultural METeorological modeling system (AGRMET).
The simulation was initialized on 1 January 1979 using soil moisture and other state fields from a GLDAS/Mosaic model climatology for that day of the year.

WGRIB or other GRIB reader is required to read the files. The data set applies a user-defined parameter table to indicate the contents and parameter number. The following table shows a list of parameters, their Product Definition Section (PDS) IDs and units.

PDS_IDs Full_Name Unit

001 Surface pressure Pa

011 Near surface air temperature K

032 Near surface wind magnitude m/s

051 Near surface specific humidity kg/kg

057 Total evapotranspiration kg/m^2

065 Snow water equivalent kg/m^2

071 Total canopy water storage kg/m^2

085 Average layer soil temperature K

086 Average layer soil moisture kg/m^2

099 Snowmelt kg/m^2

111 Net shortwave radiation W/m^2

112 Net longwave radiation W/m^2

121 Latent heat flux W/m^2

122 Sensible heat flux W/m^2

131 Snowfall rate kg/m^2/s

132 Rainfall rate kg/m^2/s

138 Average surface temperature K

155 Ground heat flux W/m^2

204 Surface incident shortwave radiation W/m^2

205 Surface incident longwave radiation W/m^2

234 Subsurface runoff kg/m^2

235 Surface runoff kg/m^2

There are 3 vertical levels for the Soil Moisture (PDS 086) and Soil Temperature (PDS 085) in the GRIB file. For more information, please see
ftp://hydro1.sci.gsfc.nasa.gov/data/s4pa/GLDAS_V1/README.GLDAS.pdf

Related URL

Link: GET DATA

Link: VIEW RELATED INFORMATION > USER'S GUIDE
Description: README document for GLDAS_MOS10SUBP_3H

Geographic Coverage

N: 90.0 S: -60.0 E: 180.0 W: -180.0

Data Set Citation

Dataset Originator/Creator: Hydrological Sciences Branch at NASA/Goddard Space Flight Center (GSFC/HSB)
Dataset Title: GLDAS Mosaic Land Surface Model L4 3 Hourly 1.0 x 1.0 degree Subsetted
Dataset Release Date: 08.16.2007
Dataset Release Place: Greenbelt, Maryland, USA
Dataset Publisher: Goddard Earth Sciences Data and Information Services Center (GES DISC)
Version: 1
Online Resource: http://disc.sci.gsfc.nasa.gov/hydrology/index.shtml

Temporal Coverage

Start Date: 1979-01-01

Location Keywords

GEOGRAPHIC REGION > ARCTIC
GEOGRAPHIC REGION > GLOBAL
GEOGRAPHIC REGION > POLAR

Data Resolution
Latitude Resolution: 1 degree
Longitude Resolution: 1 degree
Temporal Resolution: 3 hr

ISO Topic Category

CLIMATOLOGY/METEOROLOGY/ATMOSPHERE

Project

EOSDIS >Earth Observing System Data Information System    [Information]

ESIP >Earth Science Information Partners Program    [Information]

GLDAS >Global Land Data Assimilation System    [Information]

Quality

The data are provisional and subject to change as model improvements are implemented and new input data sets become available. Due to the fact that forcing data for Greenland are unreliable and the lack of a glacier/ice sheet model, snow water equivalent accumulates indefinitely in Greenland and a few other Arctic points. Therefore it is highly recommended that Greenland and other points with abnormally large snow water equivalent values be masked out when performing global analyses.

Access Constraints

None

Use Constraints

None

Keywords

Hydrology

Data Set Progress

IN WORK

Originating Center

Hydrological Sciences Branch at NASA/Goddard Space Flight Center (GSFC)

Data Center

Goddard Earth Sciences Data and Information Services Center (formerly Goddard DAAC), Global Change Data Center, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA [Information]
Data Center URL: http://disc.gsfc.nasa.gov/

Data Center Personnel

Name: GES DISC HELP DESK SUPPORT GROUP
Phone: 301-614-5224
Fax: 301-614-5268
Email: gsfc-help-disc at lists.nasa.gov
Contact Address:
Goddard Earth Sciences Data and Information Services Center
Code 610.2
NASA Goddard Space Flight Center
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA

Distribution

Distribution_Media: Online (HTTP)
Distribution_Format: GRIB
Fees: No Fee

Personnel

GES DISC HELP DESK SUPPORT GROUP
Role: TECHNICAL CONTACT
Phone: 301-614-5224
Fax: 301-614-5268
Email: gsfc-help-disc at lists.nasa.gov
Contact Address:
Goddard Earth Sciences Data and Information Services Center
Code 610.2
NASA Goddard Space Flight Center
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA

Publications/References

Rodell, M., P. R. Houser, U. Jambor, J. Gottschalck, K. Mitchell, C.-J. Meng, K. Arsenault, B. Cosgrove, J. Radakovich, M. Bosilovich, J. K. Entin, J. P. Walker, D. Lohmann, and D. Toll, The Global Land Data Assimilation System, Bull. Amer. Meteor. Soc., 85(3): 381-394, 2004.

Creation and Review Dates

DIF Creation Date: 2007-08-17

Last DIF Revision Date: 2011-03-16

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