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Modeling Feedbacks Between Water and Vegetation in the Climate System by James R. Miller, Gary L. Russell, Nasa Technical Reports Server (Ntrs) - Paperback
58.80 AED

Modeling Feedbacks Between Water and Vegetation in the Climate System by James R. Miller, Gary L. Russell, Nasa Technical Reports Server (Ntrs) - Paperback

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Category Type
Politics
ISBN
9781287293385
Author
James R. Miller, Gary L. Russell, Nasa Technical Reports Server (Ntrs)
Publisher
Bibliogov
Description:

Not only is water essential for life on earth, but life itself affects the global hydrologic cycle and consequently the climate of the planet. Whether the global feedbacks between life and the hydrologic cycle tend to stabilize the climate system about some equilibrium level is difficult to assess. We use a global climate model to examine how the presence of vegetation can affect the ...

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PRODUCT INFORMATION

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    Specifications

    Category Type
    Politics
    ISBN
    9781287293385
    Item EAN
    2724352928710
    People
    Author
    James R. Miller, Gary L. Russell, Nasa Technical Reports Server (Ntrs)
    People
    Publisher
    Bibliogov
    Category Type
    Politics
    ISBN
    9781287293385
    Item EAN
    2724352928710
    People
    Author
    James R. Miller, Gary L. Russell, Nasa Technical Reports Server (Ntrs)
    People
    Publisher
    Bibliogov
    Technical Information
    Binding
    Paperback
    Languages and countries
    Book Language
    English
    Read more
  •  

    Description:

    Not only is water essential for life on earth, but life itself affects the global hydrologic cycle and consequently the climate of the planet. Whether the global feedbacks between life and the hydrologic cycle tend to stabilize the climate system about some equilibrium level is difficult to assess.

    Not only is water essential for life on earth, but life itself affects the global hydrologic cycle and consequently the climate of the planet. Whether the global feedbacks between life and the hydrologic cycle tend to stabilize the climate system about some equilibrium level is difficult to assess. We use a global climate model to examine how the presence of vegetation can affect the hydrologic cycle in a particular region. A control for the present climate is compared with a model experiment in which the Sahara Desert is replaced by vegetation in the form of trees and shrubs common to the Sahel region. A second model experiment is designed to identify the separate roles of two different effects of vegetation, namely the modified albedo and the presence of roots that can extract moisture from deeper soil layers. The results show that the presence of vegetation leads to increases in precipitation and soil moisture in western Sahara. In eastern Sahara, the changes are less clear. The increase in soil moisture is greater when the desert albedo is replaced by the vegetation albedo than when both the vegetation albedo and roots are added. The effect of roots is to withdraw water from deeper layers during the dry season. One implication of this study is that the insertion of vegetation into the Sahara modifies the hydrologic cycle so that the vegetation is more likely to persist than initially.

    Product Features:
    • Category: Politics
    • Binding: Paperback
    • Language of Text: English
    • Author(s): James R. Miller, Gary L. Russell, Nasa Technical Reports Server (Ntrs)
    • Publisher: Bibliogov
    • ISBN: 9781287293385
    • Number of Pages: 26
    • Dimensions: 9.69 x 7.44 x 0.05 inches
 

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