MODIS/Terra Snow Cover 5-Min L2 Swath 500m, Version 4

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

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MODIS/Terra Snow Cover 5-Min L2 Swath 500m (MOD10_L2) contains snow cover and quality assurance (QA) data, latitudes, and longitudes in HDF-EOS format, along with corresponding metadata. Latitude and longitude geolocation fields are at 5 km resolution, while all other fields are at 500 m resolution. Version 4 (V004) has two separate snow cover fields: one incorporating the original cloud mask, and another using a less cloud-conservative mask. MODIS/Terra V004 data extend from 24 February 2000 to Dec 31, 2006. MODIS snow cover data are based on a snow mapping algorithm that employs a Normalized Difference Snow Index (NDSI) and other criteria tests. Data are available via FTP, CD-ROM, DLT, or DVD.

Please note that NSIDC now has a complete series of Version 5 data, which is the highest version number now available and represents the best quality of data.

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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 (2000), data set title and version, date of the version you used, publisher (NSIDC), and digital media.

Hall, D.K., G.A. Riggs, and V.V. Salomonson. 2000, updated daily. MODIS/Terra Snow Cover 5-Min L2 Swath 500m V004, December 2003 to March 2004. Boulder, CO, USA: National Snow and Ice Data Center. Digital media.

See Also

• MODIS Data at NSIDC
• Contact User Services