MODIS/Aqua Snow Cover Daily L3 Global 500m Grid, Version 4  View Catalog Page Entry ID
MYD10A1
Summary
MODIS/Aqua Snow Cover Daily L3 Global 500m Grid (MYD10A1) contains snow cover and quality assurance (QA) data in HDF-EOS format, along with corresponding metadata. Data files after 14 September 2003 include a snow albedo array with a 'beta' status. MYD10A1 consists of 1200 km by 1200 km tiles of 500 m resolution data gridded in a sinusoidal map projection. MODIS/Aqua V004 data extend from 04 July 2002 to present. A sample of MODIS/Aqua V003 data from 29 August 2002 (day 241) through 07 October 2002 (day 280) allows users to correlate between V003 and later versions. This collection also includes several granules that were not reprocessed into V004. MODIS snow cover data are based on a snow mapping algorithm that employs a Normalized Difference Snow Index (NDSI) and other criteria tests. The only data available for Version 4 (V004) is the Golden Month, which is a sample of V004 data covering the time period 29 August 2002 (day of year 241) through 7 October 2002 (day of year 280). The Golden Month is only available by special request by contacting NSIDC User Services.
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.
Multimedia Sample
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Caption: MYD10A1 Version 4 data, 06 February 2004
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Geographic Coverage
Spatial Coordinates:
N: 90°
S: -90°
E: 180°
W: -180°
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Data Set Citation
Dataset Creator: D. Hall, V. Salomonson
Dataset Title: MODIS/Aqua Snow Cover Daily L3 Global 500m Grid, Version 4
Dataset Release Date: 2000-09-01
Dataset Release Place: Boulder, CO U.S.A.
Dataset Publisher: National Snow and Ice Data Center (NSIDC)
Version: 4
Online Resource: http://nsidc.org/data/myd10a1.html
Temporal Coverage
Stop Date: 2006-12-31
Start Date: 2002-07-04
Data Resolution
Latitude Resolution: 500 m
Longitude Resolution: 500 m
Temporal Resolution: Daily
Location Keywords
- Geographic Region Global Land
Science Keywords
- Cryosphere Snow/Ice Albedo
- Cryosphere Snow/Ice Lake Ice
- Cryosphere Snow/Ice Snow Cover
- Terrestrial Hydrosphere Snow/Ice Albedo
- Terrestrial Hydrosphere Snow/Ice Lake Ice
- Terrestrial Hydrosphere Snow/Ice Snow Cover
Ancillary Keywords
- Antarctic
- Arctic
- Climatology
- DAAC
- ECS
- EOSDIS
- Global Change
- Gridded
- Integerized Sinusoidal Grid
- Lake Ice
- NASA
- NSIDC
- Polar
- Remote Sensing
- SINUSOIDAL GRID
- Snow
- Snow Cover
- Snow On Ice
Platform
- AQUA Earth Observing System, AQUA
Instrument
- MODIS Moderate-Resolution Imaging Spectroradiometer
- SPECTRORADIOMETERS
Project
- EOSDIS Earth Observing System Data Information System
- ESIP Earth Science Information Partners Program
Quality
Quality indicators for MODIS snow data are represented by 'AutomaticQualityFlag' and 'ScienceQualityFlag' metadata objects, and their corresponding explanations ('AutomaticQualityFlagExplanation' and 'ScienceQualityFlagExplanation') in the CoreMetadata.0 global attribute; and also in the 'Snow Cover PixelQA' data field. These are generated during production or in post-product scientific and quality checks of the data product.
Data Set Progress
COMPLETE
Data Center
National Snow and Ice Data Center
Data Center URL: http://nsidc.org
Data Set ID: MYD10A14
Data Center Personnel
Name: NSIDC User Services
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc@nsidc.org
Contact Address:
National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA
NSIDC Distributed Active Archive Center
Data Center URL: http://nsidc.org/daac/index.html
Data Set ID: MYD10A14
Data Center Personnel
Name: NSIDC DAAC User Services
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc@nsidc.org
Contact Address:
National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA
Distribution
Distribution Media: upon request
Distribution Size: 11 MB
Distribution Format: HDF-EOS
Fees: unknown
Personnel
Dorothy K. Hall
Role: INVESTIGATOR
Contact Address:
National Aeronautics and Space Administration (NASA) Goddard Space Flight Center (GSFC)
Mail stop 614.1
City: Greenbelt
Province or State: MD
Postal Code: 20771
Vince V. Salomonson
Role: INVESTIGATOR
Contact Address:
Room 809 WBB
Department of Meteorology
University of Utah
City: Salt Lake City
Province or State: UT
Postal Code: 84112
Country: US
NSIDC USER SERVICES
Role: TECHNICAL CONTACT
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc@nsidc.org
Contact Address:
National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA
George A. Riggs
Role: TECHNICAL CONTACT
Contact Address:
NASA Goddard Space Flight Center (GSFC)
Science Systems and Applications, Inc.
Mail stop 614.1
City: Greenbelt
Province or State: MD
Postal Code: 20771
Related URL
http://nsidc.org/daac/modis
Reference
Diner, D.J., J.V. Martonchik, C. Borel, S.A.W. Gerstl, H.R. Gordon, Y. Knyazikhin, R. Myneni, B. Pinty, and M.M. Verstraete. 1999. MISR level 2 surface retrieval Algorithm Theoretical Basis Document. Pasadena, CA: Jet Propulsion Laboratory.
Earth Science Data and Information System (ESDIS). 1996. EOS Ground System (EGS) systems and operations concept. Greenbelt, MD: Goddard Space Flight Center.
Hall, D.K., G.A. Riggs, and V.V. Salomonson. September 2001. Algorithm Theoretical Basis Document (ATBD) for the MODIS Snow-, Lake Ice- and Sea Ice-Mapping Algorithms. Greenbelt, MD: Goddard Space Flight Center. http://modis-snow-ice.gsfc.nasa.gov/atbd.html.
Hall, D.K. and J. Martinec. 1985. Remote sensing of ice and snow. London: Chapman and Hall.
Hall, D.K., J.L. Foster, D.L. Verbyla, A.G. Klein, and C.S. Benson. 1998. Assessment of snow cover mapping accuracy in a variety of vegetation cover densities in central Alaska. Remote Sensing of the Environment 66: 129-137.
Hall, D.K., J.L. Foster, V.V. Salomonson, A.G. Klein, and J.Y.L. Chien. 2001. Development of a technique to assess snow-cover mapping accuracy from space. IEEE Transactions on Geoscience and Remote Sensing 39(2): 232-238.
Hapke, B. 1993. Theory of reflectance and emittance spectroscopy. Cambridge: Cambridge University Press.
Klein, A. MODIS Snow Albedo Prototype. 2003. http://geog.tamu.edu/klein/modis_albedo/ . Accessed July 2003.
Klein, A.G., and J. Stroeve. 2002. Development and validation of a snow albedo algorithm for the MODIS instrument. Annals of Glaciology 34: 45-52.
Klein, A.G., D.K. Hall, and G.A. Riggs. 1998. Improving snow-cover mapping in forests through the use of a canopy reflectance model. Hydrologic Processes 12(10-11): 1723-1744.
Markham, B.L. and J.L. Barker. 1986. Landsat MSS and TM post-calibration dynamic ranges, exoatmospheric reflectances and at-satellite temperatures. EOSAT Technical Notes 1:3-8.
MODIS Characterization and Support Team (MCST). 2000. MODIS level 1B product user's guide for level 1B Version 2.3.x Release 2. MCST Document #MCM-PUG-01-U-DNCN.
MODIS Science and Instrument Team. MODIS Web. July 2003. http://modis.gsfc.nasa.gov/ . Accessed October 2000.
Pearson II, F. 1990. Map projections: theory and applications. Boca Raton, FL: CRC Press, Inc.
Riggs, G.A., D.K. Hall, and V.V. Salomonson. January 2003. MODIS snow products user guide for collection 4 data products. http://modis-snow-ice.gsfc.nasa.gov/sug_main.html.
United States Geological Survey. 'Sinusoidal Equal Area.' Map Projections. 2003. http://mac.usgs.gov/mac/isb/pubs/MapProjections/projections.html#sinusoidal Accessed December 2000.
Wiscombe, W.J. and S.G. Warren. 1980. A model for the spectral albedo of snow I: pure snow. Journal of the Atmospheric Sciences 37: 2712-2733.
Metadata Name and Version
Metadata Name: CEOS IDN DIF
Metadata Version: 9.7
Creation and Review Dates
DIF Creation Date: 2004-01-20
Last DIF Revision Date: 2004-11-16
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