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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.

Data Rods (Time Series)  for Hydrology Community

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


Latest News

MERRA's northward wind data show several areas of high wind speeds in January 2012, including an area near the Amery Ice Shelf.
Jun 12, 2015 - Online now: May-June 2015 issue of The Giovanni News

Newsletter includes articles on crab plover research, Southern Ocean winds, and time-series data

+ Read More…
The UV Erythemal Daily Dose (an OMI data parameter) was low in southern Florida on June 22, 2005.  Read the April 2015 Giovanni News to find out why.
Apr 22, 2015 - The Giovanni News, April 2015 issue, is now online

Issue features an update on the development of Giovanni-4

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GPM Microwave Imager (GMI) data acquired April 3, 2015 over Typhoon Maysak in the Pacific Ocean. Astronauts on the ISS also photographed Maysak on this day.
Apr 17, 2015 - Global Precipitation Measurement (GPM) data available from the NASA GES DISC

Rain and snow data from microwave imager and precipitation radar

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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

+ Read More…
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

+ Read More…

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Last updated: Jun 29, 2015 12:19 PM ET
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