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HDISC: HYDROLOGY DATA AND INFORMATION SERVICES CENTER

Supporting the Hydrological Sciences Laboratory (HSL)

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.

 

NLDAS and GLDAS User Mailing List: ldas-users@lists.nasa.gov


Latest News

Labeled MODIS image of the "Christmas Storm" of 2013.  Dr. Mark Jury used Giovanni in his analysis of this storm, which caused flooding on several islands.
Mar 23, 2015 - The March 2015 issue of The Giovanni News is online

Issue features six interesting journal papers from the latter half of 2014

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Giovanni shapefile image analysis for Japan, showing heavy rainfall around Tokyo due to passage of Super Typhoons Phanfone and Vongfong in October 2014.
Mar 18, 2015 - Integrated Multi-satellitE Retrievals for GPM (IMERG) data are now in Giovanni-4

Precipitation data from the Global Precipitation Measurement (GPM) mission

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MODIS-Aqua nighttime temperatures in Europe, June 2008, mapped with Giovanni-4.  The data is from the Land Processes DAAC, a Federated Giovanni partner.
Feb 24, 2015 - The January-February 2015 issue of The Giovanni News is online

Issue has articles on Federated Giovanni, 2014 publication count, OMI data, and "Top 10" cake

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IMERG data from the GPM mission provide accurate global satellite observations of rain and snow.
Feb 23, 2015 - Integrated Multi-satellitE Retrievals for GPM (IMERG) Data Released through NASA GES DISC

Data release continues heritage of TRMM with refined and improved precipitation data

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Radio transmitters revealed where juvenile loggerhead turtles live, in research performed with the aid of the Giovanni system.  (Picture by the University of Central Florida/Brian Boesch.)
Jan 29, 2015 - 226 scientific publications citing the Giovanni system were counted in 2014

Many different Earth science disciplines represented in research using NASA data visualization system

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Last updated: Jan 30, 2015 05:32 PM ET