Tropical Glacier Extent Variation in the New World1984-1988 to 2005-2008

19o N to 18o S

Landsat-5, Landsat-7, & SRTM 30 m data

99% of tropical glaciers studied, Peru (70%) & Bolivia (20%)

4500-6000+ m elevations, summer growth/winter recession

Compton Tucker, Dan Slayback, Dorothy Hall, and Tim Killeen

NASA/Goddard Space Flight Center and Conservation International