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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 usage of science data.

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

In addition to the daily atmospheric chemistry data from individual sensors, ACDISC also provides multi-sensors based merged datasets for some atmospheric parameters, selected under the NASA MEaSUREs project, to study the long-term changes in the atmospheric composition.

Most recently, ACDISC at GES DISC has been assigned to archive and distribute CO2 data produced by the Atmospheric CO2 Observations from Space (ACOS) Task, using radiances from the TANSO-FTS sensor  flown on Greenhouse gases Observing SATellite "IBUKI" (GOSAT).  

 


Latest News

Fig. 3 from Li et al. (2013), comparing the two PBL SO2 algorithms. Images depict monthly mean SO2, August 2006, over the eastern United States: (left) PCA algorithm data; (right) BRD algorithm data. Circles indicate locations of known sources of SO2.
Oct 01, 2014 - New algorithm improves observation of sulfur dioxide in the atmosphere by OMI

Ozone Monitoring Instrument can detect sulfur emissions from volcanoes and fossil-fuel power plants

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NASA’s Nimbus-6 mission launched on June 12, 1975.
Sep 26, 2014 - Nimbus-6 HIRS and SCAMS meteorological data products recovered and released to public

Instruments provided atmospheric temperature and water vapor data from 1975-1976

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The Aura spacecraft is one of NASA's three Earth Observation System satellites. Terra (launched in 1998) and Aqua (launched in 2002) are the other two EOS satellites.
Sep 17, 2014 - 2014 Aura Science Team Meeting Celebrates 10 Years in Orbit

NASA GES DISC archives and distributes data from 3 of the 4 Aura instruments

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MODIS-Terra images of seasonal flooding in Malawi. Left: 12/26/2006. Right: 1/11/2007. The Shire River, subject of a 2014 paper that used Giovanni, flows from Lake Malawi into the Zambezi River through wetlands, including the “Elephant Marsh".
Jul 28, 2014 - Giovanni publications for the first half of 2014

103 publications tallied in peer-reviewed journals or scientific books

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TRMM rain rate quasi-climatology for the state of New York in August.  Variations in rainfall and sunlight in the summer are important for viniculture in the Finger Lakes region of New York.
Apr 11, 2014 - The March 2014 issue of The Giovanni News is online

Aerosols and evapo-transpiration, climate change investigations, and quasi-climatologies this month

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Last updated: Oct 01, 2014 11:02 AM ET