globalchange  > 气候变化与战略
DOI: 10.5194/hess-24-5317-2020
论文题名:
Technical note: Precipitation-phase partitioning at landscape scales to regional scales
作者: Lynn E.; Cuthbertson A.; He M.; Vasquez J.P.; Anderson M.L.; Coombe P.; Abatzoglou J.T.; Hatchett B.J.
刊名: Hydrology and Earth System Sciences
ISSN: 1027-5606
出版年: 2020
卷: 24, 期:11
起始页码: 5317
结束页码: 5328
语种: 英语
Scopus关键词: Snow ; Water management ; Water supply ; Watersheds ; Adaptive water managements ; Atmospheric reanalysis ; Diagnostic indicators ; Latitudinal gradients ; Precipitation data ; Precipitation phase ; Transition regions ; Western United States ; Rain ; precipitation (climatology) ; precipitation assessment ; regional climate ; river basin ; strategic approach ; warming ; water planning ; water supply ; Indicator indicator
英文摘要: Water management throughout the western United States largely relies on the partitioning of cool season mountain precipitation into rain and snow, particularly snow as it maximizes available water for warm season use. Recent studies indicate a shift toward increased precipitation falling as rain, which is consistent with a warming climate. An approach is presented to estimate precipitation-phase partitioning across landscapes from 1948 to the present by combining fine-scale gridded precipitation data with coarse-scale freezing level and precipitation data from an atmospheric reanalysis. A marriage of these data sets allows for a new approach to estimate spatial patterns and trends in precipitation partitioning over elevational and latitudinal gradients in major water supply basins. This product is used in California as a diagnostic indicator of changing precipitation phase across mountain watersheds. Results show the largest increases in precipitation falling as rain during the past 70 years in lower elevation watersheds located within the climatological rain-snow transition regions of northern California during spring. Further development of the indicator can inform adaptive water management strategy development and implementation in the face of a changing climate. © 2020 Author(s).
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/162554
Appears in Collections:气候变化与战略

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作者单位: Lynn, E., California Department of Water Resources, Sacramento, CA 95814, United States; Cuthbertson, A., California Department of Water Resources, Sacramento, CA 95814, United States; He, M., California Department of Water Resources, Sacramento, CA 95814, United States; Vasquez, J.P., California Department of Water Resources, Sacramento, CA 95814, United States; Anderson, M.L., California Department of Water Resources, Sacramento, CA 95814, United States; Coombe, P., California Department of Water Resources, Sacramento, CA 95814, United States; Abatzoglou, J.T., Management of Complex Systems Department, University of California Merced, Merced, CA 95340, United States; Hatchett, B.J., Western Regional Climate Center, Desert Research Institute, Reno, NV 89512, United States

Recommended Citation:
Lynn E.,Cuthbertson A.,He M.,et al. Technical note: Precipitation-phase partitioning at landscape scales to regional scales[J]. Hydrology and Earth System Sciences,2020-01-01,24(11)
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