<?xml version="1.0" encoding="UTF-8"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-09-17T18:39:24Z</responseDate><request identifier="MYD10CM.006" metadataPrefix="dif" verb="GetRecord">http://nsidc.org/api/dataset/metadata/oai</request><GetRecord><record><header><identifier>oai:nsidc.org/MYD10CM.006</identifier><datestamp>2026-08-19T22:16:33Z</datestamp><setSpec>cumulus</setSpec><setSpec>ecs</setSpec><setSpec>retired</setSpec><setSpec>nasa_nsidc_daac</setSpec></header><metadata>
<DIF xmlns="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/ http://gcmd.gsfc.nasa.gov/Aboutus/xml/dif/dif_v9.7.1.xsd"><Entry_ID>MYD10CM.006</Entry_ID><Entry_Title>MODIS/Aqua Snow Cover Monthly L3 Global 0.05Deg CMG</Entry_Title><Data_Set_Citation><Dataset_Creator>Hall, D. K. &amp; Riggs, G. A.</Dataset_Creator><Dataset_Title>MODIS/Aqua Snow Cover Monthly L3 Global 0.05Deg CMG</Dataset_Title><Dataset_Release_Date>2016-07-27</Dataset_Release_Date><Dataset_Release_Place>Boulder, Colorado USA</Dataset_Release_Place><Dataset_Publisher>NASA NSIDC DAAC: NASA National Snow and Ice Data Center Distributed Active Archive Center</Dataset_Publisher><Version>6</Version><Other_Citation_Details><Invert_Citation_Order>false</Invert_Citation_Order></Other_Citation_Details><Dataset_DOI>10.5067/MODIS/MYD10CM.006</Dataset_DOI><Online_Resource>https://nsidc.org/sites/default/files/myd10cm-v006-userguide_1.pdf</Online_Resource><Dataset_Series_Name>MYD10CM</Dataset_Series_Name></Data_Set_Citation><Personnel><Role>Technical Contact</Role><First_Name>NSIDC</First_Name><Last_Name>User Services</Last_Name><Email>nsidc@nsidc.org</Email><Phone>1-303-492-6199</Phone><Fax>1-303-492-2468</Fax><Contact_Address><Address>CIRES, 449 UCB</Address><Address>University of Colorado</Address><City>Boulder</City><Province_or_State>CO</Province_or_State><Postal_Code>80309-0449</Postal_Code><Country>USA</Country></Contact_Address></Personnel><Parameters><Category>EARTH SCIENCE</Category><Topic>CRYOSPHERE</Topic><Term>SNOW/ICE</Term><Variable_Level_1>ICE EXTENT</Variable_Level_1><Variable_Level_2> </Variable_Level_2><Variable_Level_3> </Variable_Level_3><Detailed_Variable> </Detailed_Variable></Parameters><ISO_Topic_Category>Climatology/Meteorology/Atmosphere</ISO_Topic_Category><ISO_Topic_Category>Imagery/Base Maps/Earth Cover</ISO_Topic_Category><Keyword>MODIS-project</Keyword><Keyword>snow-cover</Keyword><Sensor_Name><Short_Name>MODIS</Short_Name><Long_Name>Moderate-Resolution Imaging Spectroradiometer</Long_Name></Sensor_Name><Source_Name><Short_Name>Aqua</Short_Name><Long_Name>Earth Observing System, Aqua</Long_Name></Source_Name><Temporal_Coverage><Start_Date>2002-07-04</Start_Date><Stop_Date>2023-01-31</Stop_Date></Temporal_Coverage><Data_Set_Progress>deprecated</Data_Set_Progress><Spatial_Coverage><Southernmost_Latitude>-90</Southernmost_Latitude><Northernmost_Latitude>90</Northernmost_Latitude><Westernmost_Longitude>-180</Westernmost_Longitude><Easternmost_Longitude>180</Easternmost_Longitude></Spatial_Coverage><Location><Location_Category>Geographic Region</Location_Category><Location_Type>Global Land</Location_Type><Location_Subregion1/><Location_Subregion2/><Location_Subregion3/></Location><Data_Resolution><Latitude_Resolution>0.05 deg</Latitude_Resolution><Longitude_Resolution>0.05 deg</Longitude_Resolution><Temporal_Resolution>1 month</Temporal_Resolution></Data_Resolution><Access_Constraints>These data have been retired and are no longer accessible.</Access_Constraints><Use_Constraints>These data have been retired and are no longer available for use. Cite any prior or planned use of these data according to the recommended citation at https://nsidc.org/about/data-use-and-copyright. For more information on the NASA EOSDIS Data Use Policy, see https://earthdata.nasa.gov/earth-observation-data/data-use-policy.</Use_Constraints><Data_Set_Language>English</Data_Set_Language><Data_Center><Data_Center_Name><Short_Name>NASA NSIDC DAAC</Short_Name><Long_Name>NASA National Snow and Ice Data Center Distributed Active Archive Center</Long_Name></Data_Center_Name><Data_Center_URL>https://nsidc.org/daac</Data_Center_URL><Personnel><Role>Data Center Contact</Role><First_Name>NSIDC</First_Name><Last_Name>User Services</Last_Name><Email>nsidc@nsidc.org</Email><Phone>1-303-492-6199</Phone><Contact_Address><Address>National Snow and Ice Data Center</Address><Address>CIRES, 449 UCB</Address><Address>University of Colorado</Address><City>Boulder</City><Province_or_State>CO</Province_or_State><Postal_Code>80309-0449</Postal_Code><Country>USA</Country></Contact_Address></Personnel></Data_Center><Distribution><Distribution_Media>FTP</Distribution_Media><Distribution_Size>1.3 MB</Distribution_Size><Distribution_Format>HDF-EOS2</Distribution_Format></Distribution><Reference>Hall, D.K., and G.A. Riggs. 2011. Normalized-difference snow index (NDSI). Encyclopedia of Snow, Ice and Glaciers, Encyclopedia of Earth Sciences Series. 779-780. doi: http://dx.doi.org/10.1007/978-90-481-2642-2_376. 

Derksen, C. and R. Brown. 2012. Spring snow cover extent reductions in the 2008-2012 period exceeding climate model projections. Geophysical Research Letters (39). Art. #L19504. doi: http://dx.doi.org/10.1029/2012GL053387.

Gladkova, I., M., Bonev G. Grossberg, P. Romanov, and F. Shahriar. 2012. Increasing the accuracy of MODIS/Aqua snow product using quantitative image restoration technique. IEEE Geoscience and Remote Sensing Letters 9(4):740-743. doi: http://dx.doi.org/10.1109/LGRS.2011.2180505.

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. doi: http://dx.doi.org/10.3189/172756402781817662.

Masuoka, E., A. Fleig, R.E. Wolfe, and F. Patt. 1998.  Key characteristics of MODIS data products. IEEE Transactions on Geoscience and Remote Sensing 36(4):1313-1323.

Riggs, George A. and Dorothy K. Hall. 2016. MODIS Snow Products Collection 6 User Guide. https://nsidc.org/sites/nsidc.org/files/files/MODIS-snow-user-guide-C6.pdf.

Salomonson, V.V. and I. Appel. 2004. Estimating the fractional snow covering using the normalized difference snow index. Remote Sensing of Environment 89(3):351-360. doi: http://dx.doi.org/10.1016/j.rse.2003.10.016.

Salomonson, V.V. and I. Appel, 2006: Development of the Aqua MODIS NDSI fractional snow cover algorithm and validation results, IEEE Transactions on Geoscience and Remote Sensing 44(7):1747-1756. doi: http://dx.doi.org/10.1109/TGRS.2006.876029.

Tekeli, A.E., A. Sensoy, A. Sorman, Z. Aky&#xFC;rek, and &#xDC;. Sorman. 2006. Accuracy assessment of MODIS daily snow albedo retrievals with in situ measurements in Karasu basin, Turkey. Hydrological Processes 20:705&#x2013;721. doi: http://dx.doi.org/10.1002/hyp.6114.

Wolfe, R.E., D.P. Roy, and E. Vermote. 1999. MODIS land data storage, gridding and compositing methodology: level 2 grid. IEEE Transactions on Geoscience and Remote Sensing 36(4):1324-1338.

Wolfe, R.E. 2006. MODIS Geolocation. Earth Science Satellite Remote Sensing, Eds. Qu J.J, Wei, G, Menas, K, Murphy, R.E. and Salomonson, VV. Springer Berlin Heidelberg. 50-73. doi: http://dx.doi.org/10.1007/978-3-540-37293-6_4.

Wolfe, R.E. and M. Nishihama. 2009.  Trends in MODIS geolocation error analysis. Proc. SPIE 7452, Earth Observing Systems XIV, 74520L (August 24, 2009). doi: http://dx.doi.org/10.1117/12.826598.</Reference><Summary><Abstract>This data set reports monthly average snow cover in 0.05 degree (approx. 5 km) resolution Climate Modeling Grid (CMG) cells. Monthly averages are computed from daily snow cover observations in the MODIS/Aqua Snow Cover Daily L3 Global 0.05Deg CMG (MYD10C1) data set.

As of August 2023, this data set is retired and no longer available for download. We recommend using &lt;a href="https://nsidc.org/data/myd10cm/versions/61"&gt;MODIS/Aqua Snow Cover Monthly L3 Global 0.05Deg CMG, Version 61&lt;/a&gt; as an alternative.</Abstract></Summary><Related_URL><URL_Content_Type><Type>VIEW RELATED INFORMATION</Type></URL_Content_Type><URL>https://nsidc.org/sites/default/files/myd10cm-v006-userguide_1.pdf</URL><Description>MODIS/Aqua Snow Cover Monthly L3 Global 0.05Deg CMG, Version 6 User Guide</Description></Related_URL><Related_URL><URL_Content_Type><Type>PROJECT HOME PAGE</Type></URL_Content_Type><URL>http://nsidc.org/data/modis</URL><Description>MODIS Data at NSIDC</Description></Related_URL><Metadata_Name>CEOS IDN DIF</Metadata_Name><Metadata_Version>VERSION 9.9</Metadata_Version><DIF_Creation_Date>2016-07-27</DIF_Creation_Date><Last_DIF_Revision_Date>2026-08-19</Last_DIF_Revision_Date><Extended_Metadata><Metadata><Group>NSIDC</Group><Name>Version Summary</Name><Value>Changes for Version 6 include:
&lt;ul&gt;
    &lt;li&gt;Fractional Snow Cover (FSC) previously used as input to this data set has been replaced by Normalized Difference Snow Index (NDSI) snow cover;&lt;/li&gt;
    &lt;li&gt;Aqua MODIS band 6 data have been restored to scientific quality using a Quantitative Image Restoration (QIR) technique. Aqua now uses the same snow detection algorithm as Terra.&lt;/li&gt;
&lt;/ul&gt;</Value></Metadata><Metadata><Group>NSIDC</Group><Name>Minor Version</Name><Value/></Metadata><Metadata><Group>NSIDC</Group><Name>Level of Service</Name><Value><Level>No Data Access</Level></Value></Metadata><Metadata><Group>NSIDC</Group><Name>Full Dataset Citation</Name><Value>Hall, D. K. &amp; Riggs, G. A. (2016). &lt;i&gt;MODIS/Aqua Snow Cover Monthly L3 Global 0.05Deg CMG&lt;/i&gt;. (MYD10CM, Version 6). [Data Set]. Boulder, Colorado USA. NASA National Snow and Ice Data Center Distributed Active Archive Center. &lt;a href="https://doi.org/10.5067/MODIS/MYD10CM.006"&gt;https://doi.org/10.5067/MODIS/MYD10CM.006&lt;/a&gt;. [&lt;i&gt;&lt;describe subset used if applicable&gt;&lt;/i&gt;].</Value></Metadata><Metadata><Group>NSIDC</Group><Name>Retired</Name><Value>true</Value></Metadata></Extended_Metadata></DIF>
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