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Extreme snowfall events in the western United States: Variability, change, and implications for water resource management.

机译：美国西部的极端降雪事件：变化，变化及其对水资源管理的影响。

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In the western United States, seasonal snow accumulation largely determines water resource availability. Natural climate variability and anthropogenic climate change present challenges to water managers who must distribute a highly allocated water supply to satisfy many competing objectives. Extreme snowfall events are found to contribute 20-38% of annual snowfall water equivalent (SFE) and shape nearly 70% of interannual variability in annual SFE on average. By midcentury, increasing temperatures are projected to decrease the size of extreme snowfall events and the portion of annual SFE contributed by these events. Projected increases in the interannual variability of extreme snowfall events are expected to enhance interannual variability in annual SFE, resulting in less and more variable snowfall in the future. We present a SFE analysis tool that utilizes the strong relationships between annual SFE and extreme events to provide probabilistic guidance for seasonal SFE forecasts.

机译：在美国西部，季节性积雪在很大程度上决定了水资源的可用性。自然的气候变化和人为的气候变化给水管理者带来了挑战，他们必须分配高度分配的水以满足许多相互竞争的目标。发现极端降雪事件占年度降雪水当量（SFE）的20％至38％，并且平均每年形成近70％的年度SFE年际变化。到本世纪中叶，预计气温升高将减少极端降雪事件的规模，并减少这些事件造成的年度SFE的比例。预计极端降雪事件的年际变化性的预计增加将增强年度SFE的年际变化性，从而导致未来越来越少的降雪量。我们提供一种SFE分析工具，该工具利用年度SFE和极端事件之间的紧密关系为季节性SFE预测提供概率指导。

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作者
Lute, Abigail C.;
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作者单位

University of Idaho.;

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授予单位 University of Idaho.;
学科 Atmospheric Sciences.;Water Resource Management.;Climate Change.
学位 M.S.
年度 2014
页码 111 p.
总页数 111
原文格式 PDF
正文语种 eng
中图分类
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3. Business Planning for Climate Change: Identifying Vulnerabilities and Planning for Changes in Water, Temperature, Sea Level, Natural Resources, Health Effects, and Extreme Events [J] . Charles Menzie, Robin Cantor, Paul Boehm Environmental Claims Journal . 2011,第3a4期

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6. The potential impacts of climate variability and change on health impacts of extreme weather events in the United States. [O] . G Greenough, M McGeehin, S M Bernard, 2001

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7. Role of extreme snowfall events in interannual variability of snowfall accumulation in the western United States [O] . A. C. Lute, J. T. Abatzoglou 2014

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8. Water: The Potential Consequences of Climate Variability and Change for the Water Resources of the United States [R] . Gleick, P. H. 2000

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Extreme snowfall events in the western United States: Variability, change, and implications for water resource management.

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