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warn_icon.gif IMPORTANT MESSAGE Jul 24, 2015    Why do my Data Holdings look different?    

Accessing your data through the GES DISC web site may seem a little unfamiliar to you to these days, but we can assure you, your data is all still available. The location of the data in the online archive has not changed.

The GES DISC has implemented a new interactive interface to make finding data easier than ever. We've added features like searching by keywords, filtering by criteria such as measurements, processing level and spatial resolution, and sortable data columns so now you can fine tune your search results. To get you started we put together a Help document to introduce you to the new interface. If you have any questions about the new design please contact us using the Feedback link in the upper right-hand corner or contact the GES DISC Help Desk by sending email to gsfc-help-disc@lists.nasa.gov.

The AIRS/AMSU/HSB suite of instruments is flying on board of Aqua satellite, and thus their "overpass" pattern is this of Aqua.

The  AIRS/AMSU/HSB suite constitutes an innovative atmospheric sounding system of infrared, microwave and visible sensors. The infrared radiance data product is stable to 10 mK/yr and accurate to better than 200 mK. This product is the most accurate and stable set of hyperspectral infrared radiance spectra measurements made in space to date, and it meets the criteria identified by the National Research Council for climate data records. The geophysical products provide daily global temperature profiles at an accuracy of 1 K per 1 km thick layer in the troposphere and moisture profiles at an accuracy of 20% per 2 km thick layer in the lower troposphere (20% - 60% in the upper troposphere). With the Version 5 release the Level-2 and Level-3 products also include the burden and profiles of the minor gases: O3 (Level-2 only), CO and CH4.

The accuracy of the temperature and humidity profiles derived from AIRS/AMSU/HSB is recognized as improving forecasts from meteorological prediction models. NOAA administrator Lautenbacher has reported that "the AIRS instrument has provided the most significant increase in forecast improvement in this time range of any other single instrument." Currently researchers are using AIRS data products to validate climate models and to test their representations of critical climate feedbacks.

The AIRS Data Support at the GES DISC DAAC provides science and data support to assist others in understanding, ordering, and using the AIRS/AMSU/HSB data products.

Register as an AIRS Data User

By registering as an AIRS Data User, you will receive announcements of discovered data product features and caveats which are directly applicable to your area of research. You will also receive the AIRS newsletters.

Got a Question, AskAIRS

Got a question for which there is no ready answer in the AIRS documentation? Post it at AskAIRS site and the AIRS Project will endeavor to provide the answer.

 

Hurricane Isidore, September 22, 2002


Latest News

Global amounts of column CO2 in 2013, from the ACOS v3.5 algorithm (warn levels below 10) using spectral radiances from the Fourier Transform Spectrometer on "Ibuki" (GOSAT).
May 06, 2016 - Release of ACOS CO2 Data, Version 3.5

CO2 data Version 3.5, from the Atmospheric CO2 Observations from Space (ACOS), are now available

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After successfully serving the Earth science community for several years, the Giovanni-3 system will be shutdown on March 31, 2016.
Mar 18, 2016 - Giovanni-3 End of Service

Completion of transition to Giovanni-4 set for March 31

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Certificate awarded to Kang et al. for the image selected to the 2nd Class of the Giovanni Image Hall of Fame. Their image displayed maps created with Giovanni of MODIS aerosol optical depth and cloud data over China.
Feb 23, 2016 - Announcing the 2nd Class of the Giovanni Image Hall of Fame

12 images selected for scientific interest and graphic presentation

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This huge dust storm over the Middle East, shown in a March 18, 2012 MODIS image, is the subject of a 2015 paper that utilized MODIS data available in Giovanni.
Feb 18, 2016 - Giovanni publications from the latter half of 2015

Final compilation counts 231 papers in peer-reviewed journals using Giovanni

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The NASA GES DISC Top 10 Highlights for 2015!  Each image represents a highlight of GES DISC activities in 2015, as described in the accompanying article.
Feb 03, 2016 - The NASA GES DISC lists its Top 10 Highlights for 2015

Increased reliability, more data, new data sets, & the next Giovanni

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