A Climate-change Scenario for the Columbia River Basin PDF Download
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Author: Sue A. Ferguson
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 20
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Book Description
Author: Sue A. Ferguson
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 20
Get Book Here
Book Description
Author: Sue A. Ferguson
Publisher:
ISBN:
Category : Columbia River
Languages : en
Pages : 9
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Book Description
Author: Sue A. Ferguson
Publisher: Forgotten Books
ISBN: 9780267056262
Category : Science
Languages : en
Pages : 20
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Book Description
Excerpt from A Climate-Change Scenario for the Columbia River Basin: Interior Columbia Basin Ecosystem Management Project: Scientific Assessment This work describes the method used to generate a climate-change scenario for the Columbia River Basin Ecosystem Management Project, which began in 1993. The project required an estimate of potential climate change to complement various scenarios of management alternatives. The scenario considers climate patterns that may change if the atmospheric concentration of carbon dioxide (co2), or its greenhouse gas equivalent, were to double over pre-industrial Revolution values. Given the current rate of increase in atmospheric C02 concentration, doubling could occur within the next 50 to 100 years. The Columbia River basin is in a transition climate zone between predominating maritime to the west, arctic to the north, and continental to the east. Consequently, it is difficult to characterize through means and averages. Therefore, many of the current stochastic methods for developing climate-change scenarios cannot directly apply to the basin. To circumvent this problem, a composite approach was taken to generate a climate scenario that considers knowledge of current regional climate controls, available output from general circulation and regional climate models, and observed changes in climate. The resulting climate-change scenario suggests that precipitation could increase substantially during winter to +50 percent) and moderately during spring and autumn to +35 percent). A slight decrease (o to -5 percent) in summer precipitation is possible, except for the southeastern portions of the basin that may experience an increase in convective precipitation percent). Low-elevation kilometer) temperatures throughout the year may increase 1 to 3 °c, with greatest increases during winter. This amount of temperature change is possible because of an expected loss of low-elevation snow cover. Warm temperatures and lack of low-elevation snow could reduce the magnitude of rain-on-snow floods. Wildfire potential could increase, however, as spring runoff from snowmelt is reduced. At high elevations, increased cloud cover could cause average temperatures to decrease during winter but be synchronized with possible warming at low elevations during summer. The diurnal range of temperature could decrease, especially in summer and autumn. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: United States. Forest Service
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 56
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We have found that the multi-model ensemble shows a consistent and significant increase in the extreme precipitation events in the west of the Cascades Range, Coastal Ranges of Oregon and Washington State, the Canadian portion of the basin and over the Rocky Mountains. However, the mean precipitation is projected to decrease in both winter and summer seasons in the future period.
Author: Matthew Morrow McDonald
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Shana Lee Hirsch
Publisher: University of Washington Press
ISBN: 029574748X
Category : Science
Languages : en
Pages : 228
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Book Description
Drought. Wildfire. Extreme flooding. How does climate change affect the daily work of scientists? Ecological restoration is often premised on the idea of returning a region to an earlier, healthier state. Yet the effects of climate change undercut that premise and challenge the ways scientists can work, destabilizing the idea of “normalcy” and revealing the politics that shape what scientists can do. How can the practice of ecological restoration shift to anticipate an increasingly dynamic future? And how does a scientific field itself adapt to climate change? Restoration efforts in the Columbia River Basin—a vast and diverse landscape experiencing warming waters, less snowpack, and greater fluctuations in precipitation—may offer answers to some of these questions. Shana Hirsch tells the story of restoration science in the basin, surveying its past and detailing the work of today’s salmon habitat restoration efforts. Her analysis offers critical insight into scientific practices, emerging approaches and ways of thinking, the incorporation of future climate change scenarios into planning, and the ultimate transformation—or adaptation—of the science of ecological restoration. For scientists and environmental managers around the globe, Anticipating Future Environments will shed light on how to more effectively cope with climate change.
Author: Sue A. Ferguson
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 40
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Author: Sue A. Ferguson
Publisher:
ISBN:
Category : Climatic normals
Languages : en
Pages : 40
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Author: Jeffrey T. Payne
Publisher:
ISBN:
Category : Climatic changes
Languages : en
Pages : 184
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