NLDAS Secondary Forcing Data L4 Monthly Climatology 0.125 x 0.125 degree V002 (NLDAS_FORB0125_MC) at GES DISC
Entry ID: GES_DISC_NLDAS_FORB0125_MC_V002

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Summary
Abstract: This data set contains the monthly climatology data of the secondary forcing data for Phase 2 of the North American Land Data Assimilation System (NLDAS-2). The data are in 1/8th degree grid spacing. The temporal resolution is monthly, ranging from January to December. The NLDAS-2 monthly climatology data are the monthly data averaged over the thirty years (1980 - 2009) of the NLDAS-2 monthly data. The file format is WMO GRIB-1.

Brief description about the NLDAS-2 hourly and monthly primary forcing data can be found from the GCMD DIFs for GES_DISC_NLDAS_FORB0125_H_V002 and GES_DISC_NLDAS_FORB0125_M_V002 at http://gcmd.gsfc.nasa.gov/getdif.htm?GES_DISC_NLDAS_FORB0125_H_V002 and http://gcmd.gsfc.nasa.gov/getdif.htm?GES_DISC_NLDAS_FORB0125_M_V002.


Details about the generation of the NLDAS-2 forcing datasets can be found in Xia et al. (2012).

The NLDAS-2 monthly climatology land surface forcing fields are grouped into two GRIB files, "File A" and "File B". "File B" is the secondary (optional) forcing file and contains ten fields. 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:Short_Name:Full_Name [Unit]
179:ACONDsfc:Aerodynamic conductance [m/s]
63:ACPCPsfc:Convective precipitation monthly total [kg/m^2]
61:APCPsfc:Precipitation monthly total [kg/m^2]
204:DSWRFsfc:Shortwave radiation flux downwards (surface) [W/m^2]
7:HGThbl:NARR hybrid level Geopotential height [gpm]
1:PREShbl:NARR hybrid level Pressure [Pa]
51:SPFHhbl:NARR hybrid level Specific humidity [kg/kg]
11:TMPhbl:NARR hybrid level Temperature [K]
33:UGRDhbl:NARR hybrid level Zonal wind speed [m/s]
34:VGRDhbl:NARR hybrid level Meridional wind speed [m/s]

WGRIB or other GRIB reader is required to read the files.
For more information, please see: http://ldas.gsfc.nasa.gov/faq/#Tools

Related URL
Link: GET DATA


Link: VIEW PROJECT HOME PAGE


Link: VIEW RELATED INFORMATION
Description: NLDAS-2 Forcing Dataset Information


Link: VIEW RELATED INFORMATION > USER'S GUIDE
Description: README document for NLDAS Phase 2 data sets.


Geographic Coverage
 N: 53.0 S: 25.0  E: -67.0  W: -125.0

Data Set Citation
Dataset Originator/Creator: Hydrological Sciences Laboratory at NASA/Goddard Space Flight Center (GSFC/HSL)
Dataset Title: NLDAS Secondary Forcing Data L4 Monthly Climatology 0.125 x 0.125 degree
Dataset Release Date: 10.01.2012
Dataset Release Place: Greenbelt, Maryland, USA
Dataset Publisher: Goddard Earth Sciences Data and Information Services Center (GES DISC)
Version: 002
Online Resource: http://disc.sci.gsfc.nasa.gov/hydrology/index.shtml


Temporal Coverage
Start Date: 1980-01-01
Stop Date: 2009-12-31


Location Keywords
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > GREAT LAKES
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > ALABAMA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > ARIZONA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > ARKANSAS
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > CALIFORNIA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > COLORADO
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > CONNECTICUT
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > DELAWARE
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > DISTRICT OF COLUMBIA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > FLORIDA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > GEORGIA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > IDAHO
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > ILLINOIS
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > INDIANA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > IOWA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > KANSAS
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > KENTUCKY
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > LOUISIANA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > MAINE
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > MARYLAND
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > MASSACHUSETTS
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > MICHIGAN
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > MINNESOTA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > MISSISSIPPI
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > MISSOURI
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > MONTANA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > NEBRASKA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > NEVADA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > NEW HAMPSHIRE
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > NEW JERSEY
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > NEW MEXICO
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > NEW YORK
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > NORTH CAROLINA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > NORTH DAKOTA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > OHIO
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > OKLAHOMA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > OREGON
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > PENNSYLVANIA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > RHODE ISLAND
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > SOUTH CAROLINA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > SOUTH DAKOTA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > TENNESSEE
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > TEXAS
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > UTAH
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > VERMONT
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > VIRGINIA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > WASHINGTON
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > WEST VIRGINIA
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > WISCONSIN
CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > WYOMING


Data Resolution
Latitude Resolution: 0.125 degree
Longitude Resolution: 0.125 degree
Temporal Resolution: monthly


Science Keywords
ATMOSPHERE >ALTITUDE >GEOPOTENTIAL HEIGHT    [Definition]
ATMOSPHERE >ATMOSPHERIC PRESSURE >SURFACE PRESSURE    [Definition]
ATMOSPHERE >ATMOSPHERIC TEMPERATURE >SURFACE AIR TEMPERATURE    [Definition]
ATMOSPHERE >ATMOSPHERIC WATER VAPOR >HUMIDITY    [Definition]
ATMOSPHERE >ATMOSPHERIC WINDS >SURFACE WINDS    [Definition]
ATMOSPHERE >PRECIPITATION >RAIN    [Definition]
ATMOSPHERE >ATMOSPHERIC RADIATION >SHORTWAVE RADIATION    [Definition]


ISO Topic Category
CLIMATOLOGY/METEOROLOGY/ATMOSPHERE


Project
EOSDIS >Earth Observing System Data Information System    [Information]
ESIP >Earth Science Information Partners Program    [Information]
NLDAS >North American 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.


Access Constraints
None


Use Constraints
None


Keywords
Hydrology


Data Set Progress
IN WORK


Originating Center
Hydrological Sciences Laboratory at NASA/Goddard Space Flight Center (GSFC/HSL)


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
Xia, Y., K. Mitchell, M. Ek, J. Sheffield, B. Cosgrove, E. Wood, L. Luo, C. Alonge, H. Wei, J. Meng, B. Livneh, D. Lettenmaier, V. Koren, Q. Duan, K. Mo, Y. Fan, and D. Mocko, (2012), Continental-scale water and energy flux analysis and validation for the North American Land Data Assimilation System project phase 2 (NLDAS-2): 1. Intercomparison and application of model products, J. Geophys. Res., 117, D03109, doi:10.1029/2011JD016048.

Creation and Review Dates
DIF Creation Date: 2012-11-19
Last DIF Revision Date: 2013-01-16

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