MODIS/Aqua Sea Ice Extent Daily L3 Global 1km EASE-Grid Day, Version 4

Data Contributors HALL, DOROTHY K. SALOMONSON, VINCE V. RIGGS, GEORGE A. Parameters ICE EXTENT ICE TEMPERATURE Instruments MODIS : MODERATE-RESOLUTION IMAGING SPECTRORADIOMETER SPECTRORADIOMETERS

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MODIS/Aqua Sea Ice Extent Daily L3 Global 1km EASE-Grid Day (MYD29P1D) contains the following fields: sea ice by reflectance, sea ice by reflectance spatial quality assurance (QA), ice surface temperature (IST), IST spatial QA, sea ice by IST, and combined sea ice in HDF-EOS format along with corresponding metadata. Data are available from 04 July 2002 to present. Version 4 (V004) is the latest version of MYD29P1D data available. The sea ice algorithm uses a Normalized Difference Snow Index (NDSI) modified for sea ice to distinguish sea ice from open ocean based on reflective and thermal characteristics. Data are available by FTP, CD-ROM, DVD, or DLT.

Until the reprocessing campaign is finished, the complete set of Version 4 (V004) data will remain available. Thus, if you need V004 documentation, please contact the National Snow and Ice Data Center (NSIDC) User Services at http://nsidc.org/forms/contact.html.

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Data Citation

The following example shows how to cite these data in a publication. List the principal investigators, year of data set release (2004), data set title and version, date of the version you used, publisher (NSIDC), and digital media.

Hall, Dorothy K., George A. Riggs, and Vincent V. Salomonson. 2001, updated daily. MODIS/Aqua Sea Ice Extent Daily L3 Global 1km EASE-Grid Day V004, December 2003 to March 2004. Boulder, CO, USA: National Snow and Ice Data Center. Digital media.

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See Also

• Sea Ice Products at NSIDC
• MODIS Data at NSIDC
• Contact User Services