Dataset Open Access

MODIS Collection 6.1 sinusoidal tiles yearly Forest and Vegetation Cover Fraction Extension 01

Kern, Stefan


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    <subfield code="a">&lt;p&gt;&lt;strong&gt;Abstract:&lt;/strong&gt; Original forest cover fraction, vegetation cover fraction and fraction of non-vegetated area on 250m grid resolution sinusoidal grid were obtained in HDF file format from &lt;a href="https://lpdaac.usgs.gov/mod44bv061/"&gt;https://lpdaac.usgs.gov/mod44bv061/&lt;/a&gt;, read together with the bit-encoded quality information and converted into netCDF file format with latitude/longitude coordinates of every 250m x 250m pixel, and decoded quality flag information included (see &lt;a href="https://www.cen.uni-hamburg.de/en/icdc/data/land/modis-vcf-forest.html"&gt;https://www.cen.uni-hamburg.de/en/icdc/data/land/modis-vcf-forest.html&lt;/a&gt;).&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;TableOfContents:&lt;/strong&gt; forest cover fraction; other vegetation cover fraction; non-vegetated land cover fraction; forest cover fraction standard deviation; quality flag&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Technical Info:&lt;/strong&gt; dimension: 4800 columns x 4800 rows x unlimited; temporalExtent_startDate: 2022-03-06; temporalExtent_endDate: 2023-03-05; temporalResolution: yearly; spatialResolution: 250; spatialResolutionUnit: meters; horizontalResolutionXdirection: 250; horizontalResolutionXdirectionUnit: meters; horizontalResolutionYdirection: 250; horizontalResolutionYdirectionUnit: meters; verticalResolution: none; verticalResolutionUnit: none; verticalStart: none; verticalEnd: none; instrumentName: MODerate Resolution Spectroradiometer (MODIS); instrumentType: visible_to_infrared_spectroradiometer; instrumentLocation: Earth Observation Satellite (EOS) Terra; instrumentProvider: NOAA/NASA&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Methods:&lt;/strong&gt; [1] &lt;a href="https://lpdaac.usgs.gov/products/mod44bv061/"&gt;https://lpdaac.usgs.gov/products/mod44bv061/&lt;/a&gt;; [2] Townshend, J., et al., User Guide for the MODIS Vegetation Continuous Fields product Collection 6.1, verison 1, &lt;a href="https://lpdaac.usgs.gov/documents/1494/MOD44B_User_Guide_V61pdf"&gt;https://lpdaac.usgs.gov/documents/1494/MOD44B_User_Guide_V61pdf&lt;/a&gt;; [3] Algorithm Theoretical Basis Document (ATBD), &lt;a href="https://lpdaac.usgs.gov/documents/113/MOD44B_ATBD.pdf"&gt;https://lpdaac.usgs.gov/documents/113/MOD44B_ATBD.pdf&lt;/a&gt;; [4] Carroll, M., et al., 2011. Vegetative Cover Conversion and Vegetation Continuous Fields. In: Ramachandran, B., C. O. Justice, and M. Abrams (eds.), Land Remote Sensing and Global Environment Change: NASA&amp;#39;s Earth Observing System and the Science of ASTER and MODIS. Springer Verlag.; [5] Hansen, M., et al., 2005. Estimation of tree cover using MODIS data at global, continental and regional/local scales. Int. J. Rem. Sens., 26(19), 4359-4380.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Units:&lt;/strong&gt; Units for all variables (see TableOfContents): percent; percent; percent; percent; 1&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;geoLocations:&lt;/strong&gt; westBoundLongitude:depends on tile; eastBoundLongitude: depends on tile; southBoundLatitude: depends on tile; northBoundLatitude: depends on tile; geoLocationPlace: global on land, see: &lt;a href="https://modis-land.gsfc.nasa.gov/MODLAND_grid.html"&gt;https://modis-land.gsfc.nasa.gov/MODLAND_grid.html&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Size:&lt;/strong&gt; files are packed into one zip-archive per year with an average size of about 25.6 GByte.&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Format:&lt;/strong&gt; netCDF&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;DataSources:&lt;/strong&gt;&lt;/p&gt;

&lt;p&gt;Original data on sinusoidal grid tiles in hdf-format: &lt;a href="https://doi.org/10.5067/MODIS/MOD44B.061"&gt;https://doi.org/10.5067/MODIS/MOD44B.061&lt;/a&gt; (last accessed 2023-06-23), see also &lt;a href="https://lpdaac.usgs.gov/products/mod44bv061/"&gt;https://lpdaac.usgs.gov/products/mod44bv061/&lt;/a&gt; (last accessed: 2023-16-16)&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Contact:&lt;/strong&gt; &lt;a href="mailto:stefan.kern@uni-hamburg.de"&gt;stefan.kern (at) uni-hamburg.de&lt;/a&gt;&lt;/p&gt;

&lt;p&gt;&lt;strong&gt;Web page:&lt;/strong&gt; &lt;a href="https://www.cen.uni-hamburg.de/en/icdc/data/land/modis-vcf-forest.html"&gt;https://www.cen.uni-hamburg.de/en/icdc/data/land/modis-vcf-forest.html&lt;/a&gt;&lt;/p&gt;</subfield>
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