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ACDISC: Atmospheric Composition Data & Information Service Center

The Atmospheric Composition Data and Information Services Center (ACDISC) is a portal to the Atmospheric Composition (AC) specific, user driven, multi-sensor, on-line, easy access archive and distribution system employing data analysis and visualization, and other user requested techniques for the better science data usage.

ACDISC provides convenient access to AC data and information from various remote-sensing missions, from heritage TOMS, UARS, MODIS, and AIRS datasets, to the most recent data from Aura OMI, MLS, HIRDLS as well as AC datasets residing at other remote archive sites.

Most recently, ACDISC at GES DISC has been assigned to archive and distribute atmospheric composition data retrieved from the observations made by TANSO sensors  flown on Greenhouse gases Observing SATellite "IBUKI" (GOSAT).  The Atmospheric CO2 Observations from Space (ACOS) Team - a group formed around the Orbiting Carbon Observatory (OCO) Science Team -  had been given responsibilty of developing retrieval algorithms for greenhouse gases, in particular CO2 and Methane.


Latest News

Users frequently request data for a particular season.  Data recipes at the NASA GES DISC instruct users on how to perform this and many other procedures with data services and tools.
Jan 17, 2013 - ‘Data Recipes’ for accessing and working with data at the NASA GES DISC

Step-by-step examples describe how to get the data scientists and other users need

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The impact of dust on the Mediterranean Basin is just one of many subjects researched with the aid of the Giovanni data visualization and analysis system.    (MODIS Terra image, February 25, 2006, courtesy NASA Visible Earth).
Jan 15, 2013 - Giovanni publication count for 2012 exceeds previous year

Broad diversity of uses for NASA data visualization and analysis tool seen in most recent compilation

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The increasing number of journal papers describing research using Giovanni indicates many scientists find it a useful tool for working with NASA Earth science data.
Jan 14, 2013 - Second December 2012 issue of The Giovanni News now online

Online workshop proceedings, Aerosol Express portal featured in year-end issue

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Charles Ichoku of GSFC used Giovanni in reseach on the linkages between environmental processes and drought in sub-Saharan Africa
Dec 31, 2012 - Now online: Proceedings of the 2012 Gregory G. Leptoukh Online Giovanni Workshop

Research utilizing Giovanni was the focus of unique international Internet meeting

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Figure 1. GOZCARDS HCl field at 46 hPa (1991-2010); all latitudes are shown (from 90°S at bottom to 90°N at top). This field is produced by combining datasets from HALOE (1991-2005), ACE-FTS (2004-2010), and Aura MLS (2004-2010)
Dec 18, 2012 - MEaSUREs GOZCARDS Data Now Available

Initial products from NASA MEaSUREs GOZCARDS project now available at GES DISC

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Last updated: Aug 04, 2011 12:50 PM ET