气候变化领域集成服务门户(CCPortal): Increased drought severity tracks warming in the United States' largest river basin

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DOI	10.1073/pnas.1916208117
	Increased drought severity tracks warming in the United States' largest river basin
	Martin J.T.; Pederson G.T.; Woodhouse C.A.; Cook E.R.; McCabe G.J.; Anchukaitis K.J.; Wise E.K.; Erger P.J.; Dolan L.; McGuire M.; Gangopadhyay S.; Chase K.J.; Littell J.S.; Gray S.T.; George S.S.; Friedman J.M.; Sauchyn D.J.; St-Jacques J.-M.; King J.
发表日期	2020
ISSN	0027-8424
卷号	117 期号:21
英文摘要	Across the Upper Missouri River Basin, the recent drought of 2000 to 2010, known as the "turn-of-the-century drought," was likely more severe than any in the instrumental record including the Dust Bowl drought. However, until now, adequate proxy records needed to better understand this event with regard to long-term variability have been lacking. Here we examine 1,200 y of streamflow from a network of 17 new tree-ring-based reconstructions for gages across the upper Missouri basin and an independent reconstruction of warm-season regional temperature in order to place the recent drought in a long-term climate context. We find that temperature has increasingly influenced the severity of drought events by decreasing runoff efficiency in the basin since the late 20th century (1980s) onward. The occurrence of extreme heat, higher evapotranspiration, and associated low-flow conditions across the basin has increased substantially over the 20th and 21st centuries, and recent warming aligns with increasing drought severities that rival or exceed any estimated over the last 12 centuries. Future warming is anticipated to cause increasingly severe droughts by enhancing water deficits that could prove challenging for water management. © 2020 National Academy of Sciences. All rights reserved.
英文关键词	Drought severity; Precipitation; Streamflow; Temperature; Water resources
语种	英语
scopus关键词	article; climate; drought; evapotranspiration; extreme hot weather; Missouri; precipitation; river basin; runoff; season; warming; water availability; water deficit
来源期刊	Proceedings of the National Academy of Sciences of the United States of America
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/160946
作者单位	Martin, J.T., Northern Rocky Mountain Science Center, US Geological Survey, Bozeman, MT 59717, United States; Pederson, G.T., Northern Rocky Mountain Science Center, US Geological Survey, Bozeman, MT 59717, United States; Woodhouse, C.A., School of Geography and Development, University of Arizona, Tucson, AZ 85721, United States, Laboratory of Tree-Ring Research, University of Arizona, Tucson, AZ 85721, United States; Cook, E.R., Lamont-Doherty Earth Observatory, Palisades, NY 10964, United States; McCabe, G.J., Integrated Modeling and Prediction Division, Water Mission Area, US Geological Survey, Denver, CO 80225, United States; Anchukaitis, K.J., School of Geography and Development, University of Arizona, Tucson, AZ 85721, United States, Laboratory of Tree-Ring Research, University of Arizona, Tucson, AZ 85721, United States; Wise, E.K., Department of Geography, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, United States; Erger, P.J., Missouri Basin Region, US Bureau of Re...
推荐引用方式 GB/T 7714	Martin J.T.,Pederson G.T.,Woodhouse C.A.,et al. Increased drought severity tracks warming in the United States' largest river basin[J],2020,117(21).
APA	Martin J.T..,Pederson G.T..,Woodhouse C.A..,Cook E.R..,McCabe G.J..,...&King J..(2020).Increased drought severity tracks warming in the United States' largest river basin.Proceedings of the National Academy of Sciences of the United States of America,117(21).
MLA	Martin J.T.,et al."Increased drought severity tracks warming in the United States' largest river basin".Proceedings of the National Academy of Sciences of the United States of America 117.21(2020).