The Normalized Difference Snow Index is used to
identify snow, based on its characteristically higher reflectance in
the visible portion of the spectrum compared to the mid-IR. NDSI is
computed using the Green and Mid-IR bands, and has a range of -1.0 to
1.0. See
Riggs et al. (1994)
for details. This product is generated from the MODIS/006/MOD09GA surface reflectance composites.
Bands
Bands
Name
Pixel Size
Description
NDSI
463.313 meters
Normalized Difference Snow Index
Terms of Use
Terms of Use
MODIS data and products acquired through the LP DAAC have no restrictions on subsequent use, sale, or redistribution.
The Normalized Difference Snow Index is used to identify snow, based on its characteristically higher reflectance in the visible portion of the spectrum compared to the mid-IR. NDSI is computed using the Green and Mid-IR bands, and has a range of -1.0 to 1.0. See Riggs et al. (1994) for …
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],[],[[["The MODIS/MOD09GA_006_NDSI dataset provides daily Normalized Difference Snow Index (NDSI) globally from February 24, 2000 to February 17, 2023."],["NDSI values, ranging from -1.0 to 1.0, are calculated using Green and Mid-IR bands to identify snow cover based on reflectance differences."],["This dataset is derived from MODIS/006/MOD09GA surface reflectance composites and is freely available for use, sale, and redistribution."],["Google Earth Engine provides access to and tools for analyzing this dataset, with free access for research, education, and non-profit purposes."],["The dataset has a spatial resolution of 463.313 meters."]]],[]]