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This data has achieved Bronze level on 23 October 2015 which means this data makes a great start at the basics of publishing open data.

OMI/Aura Formaldehyde (HCHO) Total Column Global 0.25deg Lat/Lon Grid V003

Summary

Type of release
a one-off release of a single dataset

Data Licence
Not Applicable

Content Licence
Creative Commons CCZero

Verification
automatically awarded

Release Date
8 July 2015
Modified Date
31 August 2015
Update Frequency
irregular
Publishers
National Aeronautics and Space Administration
Keywords
atmosphere, atmospheric-chemistry, earth-science, national-geospatial-data-asset, ngda
Identifier
omi-aura-formaldehyde-hcho-total-column-global-0-25deg-lat-lon-grid-v003-cf11c
Landing Page
http://reverb.echo.nasa.gov/reverb?selected=C179906787-GSFCS4PA
Maintainers
KELLY CHANCE, PH. D kchance@cfa.harvard.edu
Theme
geospatial
Language
en-US

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Description

The Version-3 Aura-OMI Formaldehyde Product OMHCHOG is now available (http://disc.gsfc.nasa.gov/Aura/OMI/omhchog_v003.shtml) from the NASA Goddard Earth Sciences Data and Information Services Center (GES DISC) for the public access. (The shortname for this Level-2G OMI total column Formaldehyde product is OMHCHOG) The algorithm leads for this product are the US OMI scientists Dr. Kelly Chance (kchance@cfa.harvard.edu) and Dr. Thomas Kurosu (tkurosu@cfa.harvard.edu) from the Harvard-Smithsonian Center, Cambridge, MA. OMHCHOG data product is a special Level-2 Global Gridded Product where pixel level data are binned into 0.25x0.25 degree grids. It contains data for all L2 scenes that have observation time betweeen UTC times of 00:00:00 and 23:59:59.9999. All data pixels that fall in a grid box are saved without Averaging (third dimension provides indexing for the data points in each small grid). Scientist can apply data filtering scheme of their choice and create Level-3 global gridded products. The GES DISC developed interactive tool Giovanni( http://giovanni.gsfc.nasa.gov/ ) provides on-line web based capabilities to browse and explore the Level-2G data. The OMHCHOG data product contains almost all parameters (e.g. total vertical column HCHO, standard erros, quality flags, geolocation and ancillary information) that are contained in the OMHCHO product. OMHCHOG data are stored in EOS Hierarchical Data Format (HDF-EOS5). Each file contains data from the day lit portions of 14 to 15 orbits that cover the globe in a day. The average file size for the OMGCHOG data product is about 55 Mbytes. 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 short Readme Document giving brief algorithm description and documents containing known data quality related issues for the OMHCHO product (the source of OMHCHOG data)are available from the GES DISC site( http://disc.gsfc.nasa.gov/Aura/OMI/omhchog_v003.shtml )

General Information

Legal Information

This dataset has been created by US Government which means it is required to be in the public domain. However US copyright law only allows open access by US citizens, we have assumed the data is equivalently licensed as CC0 for the rest of the world as this is in the spirit of the US Government’s Open Data policy.

  • The rights statement is at

    http://catalog.data.gov/dataset/omi-aura-formaldehyde-hcho-total-column-global-0-25deg-lat-lon-grid-v003-cf11c Do you think this data is incorrect? Let us know

  • Outside the US, this data is available under

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  • The content is available under

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Practical Information

  • The data appears in this collection

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