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January 24, 2010 | History

Coupling cloud base height and land surface processes in the Amazon Basin 1 edition

Coupling cloud base height and land surface processes in the Amazon Ba ...
Erica Pinto

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Coupling cloud base height and land surface processes in the Amazon Basin.

Published 2006 .
Written in English.

About the Book

Vegetation plays a critical role in regulating cloud formation in the tropics. Cloud formation depends on vegetation-atmosphere transfers of moisture and energy; however, little research has been directed at determining the underlying mechanisms that affect cloud base height. We use the fully-coupled general circulation model HadCM3LC to compute lifting condensation level (LCL; cloud base height) over the Amazon Basin for three climate scenarios: Last Glacial Maximum (LGM; 21 kya), present day (1970--1990) and future (2070--2090). We analyze the relationship between LCL and land surface processes in each scenario. Our results show that elevated LCL during the LGM (compared to present day) is the result of lower tropical sea surface temperatures (SSTs) and moisture transport, rather than changes in vegetation cover. Elevated LCL in the future, however, is caused by increased land surface temperature and decreased evapotranspiration (ET), largely attributed to a reduction in broadleaf tree cover.

Edition Notes

Source: Masters Abstracts International, Volume: 44-06, page: 2672.

Thesis (M.Sc.F.)--University of Toronto, 2006.

Electronic version licensed for access by U. of T. users.

ROBARTS MICROTEXT copy on microfiche.

The Physical Object

Pagination
90 leaves.
Number of pages
90

ID Numbers

Open Library
OL19215003M
ISBN 13
9780494161371

History Created December 11, 2009 · 2 revisions Download catalog record: RDF / JSON

January 24, 2010 Edited by WorkBot add more information to works
December 11, 2009 Created by WorkBot add works page