Snow Cover/Sea Ice

sample snow cover thumbnail


MODIS snow cover data are based on a snow mapping algorithm that employs a Normalized Difference Snow Index (NDSI) and other criteria tests. The MODIS snow product suite is composed of products covering a range of spatial and temporal resolutions, from 500 m to 0.05°, and from swath to daily, to 8-day to monthly. All products provide fractional snow cover, and snow albedo is provided in the 500 m resolution products. The overall absolute accuracy of the 500 m resolution products is ~93%, varying by land cover and snow condition. The snow products are used by climatologists, and by modelers both as input to hydrological models, e.g., to develop snow cover depletion curves, and to compare with GCM output.
The MODIS sea ice product is the sea ice extent and ice-surface temperature (IST) measured during daylight and darkness. The sea ice algorithm uses a Normalized Difference Snow Index (NDSI) modified for sea ice to distinguish sea ice from open ocean based on reflective and thermal characteristics. The sea ice product suite is composed of both swath and gridded products at a range of spatial and temporal resolutions, from 1 km to 0.05° (or ~4 km), and temporal resolutions ranging from swath to daily with gridded data in a polar grid (EASE-grid). IST under frozen conditions is accurate to ±1.6 K.

 

Product PI: George Riggs
PI-maintained product web page

User Guide

ATBD

 

See links below to the Product Description pages located at the NSIDC DAAC (product details, data access links, and more....), see also the MODIS Overview page there.


 

Product Name


Snow Cover 5-Min L2 Swath 500m

Snow Cover Daily L3 Global 500m Grid

Snow Cover 8-Day L3 Global 500m Grid

Snow Cover 8-Day L3 Global 0.05Deg CMG

Snow Cover Daily L3 Global 0.05Deg CMG

Snow Cover Monthly L3 Global 0.05Deg CMG

Sea Ice Extent 5-Min L2 Swath 1km

Sea Ice Extent Daily L3 Global 1km EASE-Grid Day

Sea Ice Extent Daily L3 Global 1km EASE-Grid Night

Sea Ice Extent and IST Daily L3 Global 4km EASE-Grid Day

Terra Product ID


MOD10_L2

MOD10A1

MOD10A2

MOD10C2

MOD10C1

MOD10CM

MOD29

MOD29P1D

MOD29P1N

MOD29E1D

Aqua Product ID


MYD10_L2

MYD10A1

MYD10A2

MYD10C2

MYD10C1

MYD10CM

MYD29

MYD29P1D

MYD29P1N

MYD29E1D

 
04-Nov-2019