Abstract
Observations are reported of high-albedo soils denuded by overgrazing which appear bright, in high contrast to regions covered by natural vegetation. Measurements and modeling show that the denuded surfaces are cooler, when compared under sunlit conditions. This observed "thermal depression" effect should, on theoretical grounds, result in a decreased lifting of air necessary for cloud formation and precipitation, and thus lead to regional climatic desertification.
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Dates
Type | When |
---|---|
Created | 18 years, 10 months ago (Oct. 5, 2006, 11:10 a.m.) |
Deposited | 1 year, 7 months ago (Jan. 11, 2024, 3:31 p.m.) |
Indexed | 1 month, 2 weeks ago (July 12, 2025, 6:44 p.m.) |
Issued | 50 years, 9 months ago (Nov. 8, 1974) |
Published | 50 years, 9 months ago (Nov. 8, 1974) |
Published Print | 50 years, 9 months ago (Nov. 8, 1974) |
@article{Otterman_1974, title={Baring High-Albedo Soils by Overgrazing: A Hypothesized Desertification Mechanism}, volume={186}, ISSN={1095-9203}, url={http://dx.doi.org/10.1126/science.186.4163.531}, DOI={10.1126/science.186.4163.531}, number={4163}, journal={Science}, publisher={American Association for the Advancement of Science (AAAS)}, author={Otterman, Joseph}, year={1974}, month=nov, pages={531–533} }