Description

The reprocessed OMI/Aura Level-2 zoomed cloud data product OMCLDO2Z at 13x12 km resolution is now available ( http://disc.gsfc.nasa.gov/Aura/OMI/omcldo2z_v003.shtml ) from the NASA Goddard Earth Sciences Data and Information Services Center (GES DISC) for the public access. It is the second release of Version 003 and was reprocessed late 2011. OMI provides two cloud products based on two different algorithms, the Rotational Raman Scattering method and O2-O2 absorption method using the DOAS technique. This level-2 zoomed cloud product at the pixel resolution (13x12 km2 at nadir) is based on the spectral fitting of O2-O2 absorption band at 477 nm using DOAS technique. This product contains effective cloud pressure, effective cloud fraction, slant column O2-O2; uncertainties in derived, parameters, terrain and geolocation information, solar and satellite viewing angles, and quality flags. (The shortname for this Level-2 OMI Zoomed cloud product is OMCLDO2Z) The lead scientist for this product is Dr. Pepijn Veefkind. OMCLDO2Z files are stored in Hierarchical Data Format (HDF-EOS5). Each file contains data from the day lit portion of an orbit (~53 minutes) and is roughly 20 MB in size. OMCLDO2Z data files are based on Zoomed Level 1B radiance observations which are made once a month. Thus there is one zoomed cloud product per month. A list of tools for browsing and extracting data from these files can be found at: http://disc.gsfc.nasa.gov/Aura/tools.shtml A Readme document containing brief algorithm description and known data quality related issues and file spec are provided by the OMCLDO2 Algorithm lead

General Information

• This data is described at

  http://catalog.data.gov/dataset/omi-aura-cloud-pressure-and-fraction-o2-o2-absorption-zoomed-1-orbit-l2-swath-13x12km-v003-ae82d Do you think this data is incorrect? Let us know

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Technical Information

• This data is published at

  http://disc.sci.gsfc.nasa.gov/Aura/data-holdings/OMI/documents/v003/L2_cloud_spec_issue2_3.pdf Do you think this data is incorrect? Let us know

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  http://catalog.data.gov/dataset/omi-aura-cloud-pressure-and-fraction-o2-o2-absorption-zoomed-1-orbit-l2-swath-13x12km-v003-ae82d Do you think this data is incorrect? Let us know

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