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Enhancing Nasa's Contributions to Polar Science: A Review of Polar Geophysical Data Sets

Enhancing Nasa's Contributions to Polar Science: A Review of Polar Geophysical Data Sets

Paperback

Environmental Studies

Currently unavailable to order

ISBN10: 0309074010
ISBN13: 9780309074018
Publisher: National Academies Press
Published: May 23 2001
Pages: 138
Weight: 0.40
Height: 0.48 Width: 5.99 Depth: 8.91
Language: English

The high latitudes of the Arctic and Antarctic, together with some mountainous areas with glaciers and long-lasting snow, are sometimes called the cryosphere-defined as that portion of the planet where water is perennially or seasonally frozen as sea ice, snow cover, permafrost, ice sheets, and glaciers. Variations in the extent and characteristics of surface ice and snow in the high latitudes are of fundamental importance to global climate because of the amount of the sun's radiation that is reflected from these often white surfaces. Thus, the cryosphere is an important frontier for scientists seeking to understand past climate events, current weather, and climate variability. Obtaining the data necessary for such research requires the capability to observe and measure a variety of characteristics and processes exhibited by major ice sheets and large-scale patterns of snow and sea ice extent, and much of these data are gathered using satellites.

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Environmental Studies