Output Products and Availability 19. Glossary of Acronyms 1. These data provide a current and complete picture of polar land and sea ice for studies of sea ice motion and concentration, ice surface temperature, ice shelf extent monitoring, and glaciological feature mapping on land ice sheets. Image spatial resolution is 1.1 km along swath centerlines, but degrades to several kilometers at the outer edges of the swaths. Temporal coverage begins 1 April 1992 for the Southern Hemisphere, and 1 August 1993 for the Northern Hemisphere.
Data continue through present.
Refer to ITT 1982 and Hastings and Emery 1992 . Refer to Reichenbach et. Schowengerdt 1987 provides more information about modulation transfer functions, point-spread function, and pixel sampling. Observations are not available. The red outline in the Southern Hemisphere image illustrates coverage of a single scene.