globalchange  > 过去全球变化的重建
DOI: 10.1007/s00382-015-2692-0
Scopus记录号: 2-s2.0-84930796002
论文题名:
Variability in projected elevation dependent warming in boreal midlatitude winter in CMIP5 climate models and its potential drivers
作者: Rangwala I.; Sinsky E.; Miller J.R.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2016
卷: 46, 期:2017-07-08
起始页码: 2115
结束页码: 2122
语种: 英语
英文关键词: CMIP5 ; EDW ; Elevation dependent warming ; Feedbacks ; GCM ; Mountains ; Rocky mountains ; Snow albedo ; Temperature ; Tibetan plateau ; Water vapor ; Winter
英文摘要: The future rate of climate change in mountains has many potential human impacts, including those related to water resources, ecosystem services, and recreation. Analysis of the ensemble mean response of CMIP5 global climate models (GCMs) shows amplified warming in high elevation regions during the cold season in boreal midlatitudes. We examine how the twenty-first century elevationdependent response in the daily minimum surface air temperature [d(∆Tmin)/dz] varies among 27 different GCMs during winter for the RCP 8.5 emissions scenario. The focus is on regions within the northern hemisphere mid-latitude band between 27.5°N and 40°N, which includes both the Rocky Mountains and the Tibetan Plateau/Himalayas. We find significant variability in d(∆Tmin)/dz among the individual models ranging from 0.16 °C/km (10th percentile) to 0.97 °C/km (90th percentile), although nearly all of the GCMs (24 out of 27) show a significant positive value for d(∆Tmin)/dz. To identify some of the important drivers associated with the variability in d(∆Tmin)/dz during winter, we evaluate the co-variance between d(∆Tmin)/dz and the differential response of elevation-based anomalies in different climate variables as well as the GCMs’ spatial resolution, their global climate sensitivity, and their elevation- dependent free air temperature response. We find that d(∆Tmin)/dz has the strongest correlation with elevationdependent increases in surface water vapor, followed by elevation-dependent decreases in surface albedo, and a weak positive correlation with the GCMs’ free air temperature response. © Springer-Verlag Berlin Heidelberg 2015.
资助项目: NSF, National Science Foundation ; NSF, National Science Foundation
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/53686
Appears in Collections:过去全球变化的重建

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作者单位: Western Water Assessment, Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, United States; Physical Sciences Division, NOAA ESRL, 325 Broadway, Boulder, CO, United States; Department of Marine Sciences, University of Connecticut, Groton, CT, United States; Department of Marine and Coastal Sciences, Rutgers University, New Brunswick, NJ, United States

Recommended Citation:
Rangwala I.,Sinsky E.,Miller J.R.. Variability in projected elevation dependent warming in boreal midlatitude winter in CMIP5 climate models and its potential drivers[J]. Climate Dynamics,2016-01-01,46(2017-07-08)
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