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Greenland Ice Surface Temperature, Surface Albedo, and Water Vapor from MODIS Comparison Tool
Compare observations of Greenland Ice Surface Temperature, Surface Albedo, and Water Vapor from MODIS against MERRA-2 reanalysis model output.
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Abstract
This tool compares Greenland Ice Sheet surface temperature from a model against observations. The observations are compiled in a multilayer data product called Multilayer Greenland Ice Surface Temperature, Surface Albedo, and Water Vapor from MODIS, Version 1 (MODGRNLD; https://nsidc.org/data/MODGRNLD). This dataset includes both monthly and daily resolutions. Currently, this tool uses modeled ice sheet surface temperature from the Modern-Era Retrospective analysis for Research and Applications, Version 2 (MERRA-2; https://gmao.gsfc.nasa.gov/reanalysis/MERRA-2). An example of this modeled data is provided with the tool at monthly resolution for January, 2015.
This tool interpolates MERRA-2 data to the higher-resolution MODGRNLD observations, creates a map plot and a histogram of the differences in ice sheet surface temperature. The user is able to download both plots.
References
Hall, D., Cullather, R., DiGirolamo, N., Comiso, J., Medley, B., & Nowicki, S. (2018). A Multilayer Surface Temperature, Surface Albedo, and Water Vapor Product of Greenland from MODIS. Remote Sensing, 10(4), 555–17. http://doi.org/10.3390/rs10040555
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