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The Energy of Nature$
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E. C. Pielou

Print publication date: 2001

Print ISBN-13: 9780226668062

Published to Chicago Scholarship Online: February 2013

DOI: 10.7208/chicago/9780226668055.001.0001

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PRINTED FROM CHICAGO SCHOLARSHIP ONLINE (www.chicago.universitypressscholarship.com). (c) Copyright University of Chicago Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CHSO for personal use.date: 26 July 2021

How Surface Energy Shapes the Land

How Surface Energy Shapes the Land

(p.92) 9 How Surface Energy Shapes the Land
The Energy of Nature

E. C. Pielou

University of Chicago Press

Land surfaces everywhere are nearly always uneven or hilly to some extent, even where there are no mountains; expanses of truly flat land, such as dry lake beds, are always surrounded by higher ground. Land is raised into hills, ridges, mountains, and volcanoes by the earth's internal energy. The raised surfaces are simultaneously worn down by wasting and erosion, which sometimes smoothes the relief and sometimes — as when rivers erode deep valleys, for instance — exaggerates it. The energy of these external agents is the focus of this chapter. It discusses the process of weathering; mass wasting; the energy in rivers; and beach drift.

Keywords:   land surfaces, wasting, erosion, weathering, rivers, beach drift

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