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AIRS3STD Version 006: Aqua AIRS Level 3 Daily Standard Physical Retrieval (AIRS-only)

Data Citation

To cite the data in publications:
AIRS Science Team/Joao Texeira (2013),Aqua AIRS Level 3 Daily Standard Physical Retrieval (AIRS-only),version 006, Greenbelt, MD, USA:NASA Goddard Earth Science Data and Information Services Center (GES DISC), Accessed Enter User Data Access Date at doi:10.5067/AQUA/AIRS/DATA303

Product Description

Sample data of AIRS3STD

Sample data of AIRS3STD


The AIRS Only Level 3 Daily Gridded Product contains standard retrieval means, standard deviations and input counts. Each file covers a temporal period of 24 hours for either the descending (equatorial crossing North to South @1:30 AM local time) or ascending (equatorial crossing South to North @1:30 PM local time) orbit. The data starts at the international dateline and progresses westward (as do the subsequent orbits of the satellite) so that neighboring gridded cells of data are no more than a swath of time apart (about 90 minutes). The two parts of a scan line crossing the dateline are included in separate L3 files, according to the date, so that data points in a grid box are always coincident in time. The edge of the AIRS Level 3 gridded cells is at the date line (the 180E/W longitude boundary). When plotted, this produces a map with 0 degrees longitude in the center of the image unless the bins are reordered. This method is preferred because the left (West) side of the image and the right (East) side of the image contain data farthest apart in time. The gridding scheme used by AIRS is the same as used by TOVS Pathfinder to create Level 3 products. The daily Level 3 products have gores between satellite paths where there is no coverage for that day.

The geophysical parameters have been averaged and binned into 1 x 1 deg grid cells, from -180.0 to +180.0 deg longitude and from -90.0 to +90.0 deg latitude. For each grid map of 4-byte floating-point mean values there is a corresponding 4-byte floating-point map of standard deviation and a 2-byte integer grid map of counts. The counts map provides the user with the number of points per bin that were included in the mean and can be used to generate custom multi-day maps from the daily gridded products.

The thermodynamic parameters are: Skin Temperature (land and sea surface), Air Temperature at the surface, Profiles of Air Temperature and Water ... View entire text

Product Summary

Short Name:    AIRS3STD

Version:    006

Format    HDF-EOS

Spatial Coverage:   (90.0 N to -90.0 S; 180.0 E to -180.0 W)

Temporal Coverage: 2002-08-30 to Current



Data Resolution:
Latitude Resolution: 50 kilometers
Longitude Resolution: 50 kilometers
Temporal Resolution: Twice per day; Day and Night; Orbital repeat cycle 16 days


File Size:    376.1 MB

Data Access

Data Service Name: ON-LINE ARCHIVE
Data Service Description: Access the AIRS/Aqua Level 3 daily standard physical retrieval product (AIRS only) by FTP.
Data Service Access URL: ftp://acdisc.sci.gsfc.nasa.gov/ftp/data/s4pa/Aqua_AIRS_Level3/AIRS3STD.006/

Data Service Name: MIRADOR
Data Service Description: Access the AIRS/Aqua Level 3 daily standard physical retrieval product (AIRS only) using the Mirador.
Data Service Access URL: http://mirador.gsfc.nasa.gov/cgi-bin/mirador/homepageAlt.pl?keyword=AIRS3STD

Data Service Name: OPENDAP DIRECTORY (DODS)
Data Service Description: Access the AIRS/Aqua Level 3 daily standard physical retrieval product (AIRS only) through OPeNDAP.
Data Service Access URL: http://acdisc.sci.gsfc.nasa.gov/opendap/Aqua_AIRS_Level3/AIRS3STD.006/contents.html

Data Service Name: SSW
Data Service Description: Access the AIRS/Aqua Level 3 daily standard physical retrieval product (AIRS only) using Simple Subset Wizard (Search and subset by date and spatial region).
Data Service Access URL: http://disc.sci.gsfc.nasa.gov/SSW/#keywords=AIRS3STD 006

Data Service Name: REVERB
Data Service Description: Refine your granule search with ECHO's next generation Earth Science discovery tool (Reverb) using information from this record.
Data Service Access URL: http://reverb.echo.nasa.gov/reverb/#utf8=%E2%9C%93&spatial_map=satellite&spatial_type=rectangle&keywords=GES_DISC_AIRS3STD_V006

For further information or assistance email the NASA GES DISC Help Desk: gsfc-help-disc@lists.nasa.gov
Product README

Global Change Master Directory Catalog Entry (GCMD DIF):
http://gcmd.gsfc.nasa.gov/getdif.htm?GES_DISC_AIRS3STD_V006

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Last updated: Mar 11, 2013 12:07 PM ET