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HDISC: HYDROLOGY DATA AND INFORMATION SERVICES CENTER

Supporting the Hydrological Sciences Branch (HSB)

The Hydrology DISC supports data products generated by GSFC's Hydrological Sciences Branch. Data products from the North America Land Data Assimilation System (NLDAS) and the Global Land Data Assimilation System (GLDAS) can  be accessed through anonymous ftp, the Mirador search and access tool or the GrADS Data Server (GDS). NLDAS and GLDAS systems integrate data from multiple space-based Earth observing systems using advanced land surface modeling and assimilation techniques. These products support weather and climate forecast experiments, water resources applications, and water and energy cycle research.

The data are provisional and subject to change as model improvements are implemented and new input data sets become available.

Other atmospheric moisture and precipitation products are available from the AIRS and Precipitation Data and Information Services Centers.




Latest News

GLDAS products available in the netCDF format

May 08, 2009

The GLDAS products are now available in the netCDF format, through a new, on-the-fly (OTF) GRIB-to-netCDF conversion service.

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Merged IR data animation of February 10 tornado-spawning Oklahoma storms

Feb 22, 2009

The Hurricane Data Analysis Tool provided an impressive view of a tornado-spawning storm event over Oklahoma and Texas on February 10, 2009.

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Reprocessed Snow Water Equivalent (SWE) in the monthly GLDAS products

Feb 06, 2009

All monthly GLDAS products were reprocessed. A miscalculation in the Snow Water Equivalent (SWE) field was corrected in the new products.

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On-the-fly (OTF) Subset Service Available for the GLDAS products

Nov 21, 2008

A new on-the-fly (OTF) subset service is now available. This service allows users to perform spatial and parameter subsetting before downloading the GLDAS products.

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GLDAS VIC land surface products available from the GrADS Data Server (GDS)

Aug 03, 2008

08.04.08 - Users can now access the 3-hourly and monthly VIC products through the GrADS Data Server (GDS). GDS users can perform subsetting and analysis operations across the internet.

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  • Last updated: Sep 28, 2009 11:54 AM ET