NEWS AN D Notes Newly Released Satellite Images of Antarctica represent a variety of ecosystems, including grassland, a Valuable Scientific Benchmark desert, forest, tundra, lake, stream, river, agricultural, Surveillance satellite images of Antarctica's Dry coastal systems, and urban systems. Two LTER sites Valleys region, made public in September by Presi- are located in Antarctica; one is in the Antarctica Pen- dent Clinton, will be an important tool for establish- insula marine ecosystem, near USAP' s Palmer Station, ing a baseline to measure environmental fluctuations and the other is in the Dry Valleys, near McMurdo in one of the harshest environments on earth known Station. to harbor life. The Dry Valleys are ecologically significant be- cause they are a region where life approaches its en- "The imagery released today represents a valuable benchmark for studies of changes in the region," said vironmental limits and they stand in stark contrast to Scot t Borg, who manages the U.S. Antarctic most of the world's other ecosystems, which exist Program's geology and geophysics program. The Na- under far more moderate environmental conditions. tional Science Foundation (NSF), through the USAP, Less than 2% of the Antarctic continent is ice-free. coordinates numerous scientific research efforts
Bulletin of the American Meteorological Society – American Meteorological Society
Published: Dec 1, 1999
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