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GLDAS Noah Land Surface Model L4 monthly 1.0 x 1.0 degree V2.1 (GLDAS_NOAH10_M) at GES DISC
Entry ID: GLDAS_NOAH10_M_2.1


Summary
Abstract: Global Land Data Assimilation System Version 2 (hereafter, GLDAS-2) has two components: one forced entirely with the Princeton meteorological forcing data (hereafter, GLDAS-2.0), and the other forced with a combination of model and observation based forcing data sets (hereafter, GLDAS-2.1).

This data set, GLDAS-2.1 Noah 1.0 degree monthly, was generated through temporal averaging of GLDAS-2.1 Noah 3-hourly data simulated with the Noah Model 3.3 in Land Information System (LIS) Version 7. The data set contains 36 land surface fields from January 2000 to present.

GLDAS-2.1 simulation is forced by a combination of National Oceanic and Atmospheric Administration/National Center for Environmental Prediction’s Global Data Assimilation System (GDAS) atmospheric analysis fields, spatially and temporally disaggregated Global Precipitation Climatology Project (GPCP) precipitation 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). This data set supersedes GLDAS-1 products, in which improvements are made in the use of GPCP and the disaggregation scheme, and quality control for the AGRMET dataset. The GPCP 1-degree Daily (1DD) dataset is used and disaggregated to 3-hourly intervals, whereas GLDAS-1 used the NOAA Climate Prediction Center Merged Analysis of Precipitation (CMAP) pentad dataset and disaggregated to 6-hourly. The gaps and irregularity in the AGRMET shortwave downward flux are alleviated by additional filtering and bias correction to the Surface Radiation Budget (SRB) dataset. Furthermore, the spatial aggregation scheme of GDAS dataset is revised in GLDAS-2.1.

The simulation started on 1 January 2000 using the conditions from the GLDAS-2.0 simulation and was forced with GDAS and the disaggregated GPCP. The AGRMET radiation forcing is added for 1 March 2001 onwards.

The simulation uses the common GLDAS data sets for land water mask (MOD44W: Carroll et al., 2009) and elevation (GTOPO30), as well as the Noah model default land cover (Modified IGBP MODIS 20-category classification) and soil texture (Hybrid STATSGO/FAO) datasets.

The GLDAS-2.1 data are archived and distributed in NetCDF format.

Related URL
Link: View Related Information
Description: GLDAS-2.1 Noah 3-ourly 1.0 Degree 0-10 cm Soil Moisture [kg m-2] for 00Z March 01, 2001.


Link: View Related Information
Description: Access the data via HTTPS.


Link: View Related Information
Description: Use the Earthdata Search to find and retrieve data sets across multiple data centers.


Link: View Related Information
Description: The GES-DISC Interactive Online Visualization ANd aNalysis Interface (Giovanni) is a web-based tool that allows users to interactively visualize and analyze data.


Link: View Related Information
Description: Access the data via the OPeNDAP protocol.


Link: View Related Information
Description: The GrADS Data Server (GDS) is another form of OPeNDAP that provides subsetting and some analysis services across the Internet.


Link: View Related Information
Description: README Document


Link: View Related Information
Description: GLDAS Project Web Site


Link: View Related Information
Description: How to read and plot the data.


Link: View Related Information
Description: GES DISC Hydrology Documentation

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

Data Set Citation
Dataset Creator: Beaudoing, Hiroko and M. Rodell, NASA/GSFC/HSL
Dataset Title: GLDAS Noah Land Surface Model L4 monthly 1.0 x 1.0 degree V2.1
Dataset Series Name: GLDAS_NOAH10_M
Dataset Release Date: 2016-06-01T00:00:00.000Z
Dataset Release Place: Greenbelt, Maryland, USA
Dataset Publisher: Goddard Earth Sciences Data and Information Services Center (GES DISC)
Version: 2.1
Data Presentation Form: Digital Science Data
Online Resource: https://disc.gsfc.nasa.gov/datacollection/GLDAS_NOAH10_M_2.1.html


Temporal Coverage
Start Date: 2000-01-01


Location Keywords
GEOGRAPHIC REGION > GLOBAL LAND


Science Keywords
ATMOSPHERE >ATMOSPHERIC PRESSURE >SURFACE PRESSURE    [Definition]
ATMOSPHERE >ATMOSPHERIC RADIATION >HEAT FLUX    [Definition]
ATMOSPHERE >ATMOSPHERIC RADIATION >LONGWAVE RADIATION    [Definition]
ATMOSPHERE >ATMOSPHERIC RADIATION >SHORTWAVE RADIATION    [Definition]
ATMOSPHERE >ATMOSPHERIC TEMPERATURE >SURFACE TEMPERATURE    [Definition]
ATMOSPHERE >ATMOSPHERIC WATER VAPOR >WATER VAPOR INDICATORS >HUMIDITY    [Definition]
ATMOSPHERE >ATMOSPHERIC WATER VAPOR >WATER VAPOR PROCESSES >EVAPOTRANSPIRATION    [Definition]
ATMOSPHERE >ATMOSPHERIC WINDS >SURFACE WINDS    [Definition]
ATMOSPHERE >PRECIPITATION >LIQUID PRECIPITATION >RAIN    [Definition]
ATMOSPHERE >PRECIPITATION >PRECIPITATION RATE    [Definition]
ATMOSPHERE >PRECIPITATION >SOLID PRECIPITATION >SNOW    [Definition]
LAND SURFACE >SOILS >SOIL MOISTURE/WATER CONTENT    [Definition]
LAND SURFACE >SOILS >SOIL TEMPERATURE    [Definition]
LAND SURFACE >SURFACE THERMAL PROPERTIES >LAND SURFACE TEMPERATURE    [Definition]
TERRESTRIAL HYDROSPHERE >SNOW/ICE >SNOW WATER EQUIVALENT    [Definition]
TERRESTRIAL HYDROSPHERE >SURFACE WATER >SURFACE WATER PROCESSES/MEASUREMENTS >RUNOFF    [Definition]


Platform
Noah-LSM >Noah Land Surface Model


Instrument
NOT APPLICABLE


Project
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
ACTIVE


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: https://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 Archive
Distribution_Size: 2.0 MB
Distribution_Format: netCDF
Fees: No Fee


Personnel
HUALAN RUI
Role: METADATA AUTHOR
Phone: 301-614-5224
Fax: 301-614-5268
Email: Hualan.Rui at 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. Meng, K. Arsenault, B. Cosgrove, J. Radakovich, M. Bosilovich, J.K. Entin, J.P. Walker, D. Lohmann, and D. Toll (2004-01-01T00:00:00.000Z), The Global Land Data Assimilation System, doi:10.1175/BAMS-85-3-381, Data Author Publication
Extended Metadata Properties
(Click to view more)

Creation and Review Dates
DIF Creation Date: 2016-03-18
Last DIF Revision Date: 2019-01-28



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