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What are the differences between the NSIDC and GSFC sea ice products?

April 26, 2017differences gsfc Ice nsidc products sea

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What are the differences between the NSIDC and GSFC sea ice products?

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NSIDC developed the DMSP SSM/I Daily and Monthly Polar Gridded Sea Ice Concentrations. Sea ice products from the NASA Goddard Space Flight Center (GSFC) include Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I Passive Microwave Data and Bootstrap Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I. NSIDC and GSFC products include sea ice concentration estimates from two algorithms: NASA Team and Bootstrap. For general qualitative views of sea ice, either product and algorithm is suitable; however, for scientific studies, one product or one algorithm may be more suitable than the other in certain situations (see FAQ #2 above). Biases exist between algorithms and between products, so they should not be used interchangeably.