DOI: 10.1007/s00382-011-1282-z
Scopus记录号: 2-s2.0-84867102633
论文题名: Mid-21st century projections in temperature extremes in the southern Colorado Rocky Mountains from regional climate models
作者: Rangwala I. ; Barsugli J. ; Cozzetto K. ; Neff J. ; Prairie J.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2012
卷: 39, 期: 2017-07-08 起始页码: 1823
结束页码: 1840
语种: 英语
英文关键词: Colorado Rocky Mountains
; Maximum and minimum temperature
; NARCCAP regional climate models
; Seasonal projections
; Snow albedo moisture feedbacks
英文摘要: This study analyzes mid-21st century projections of daily surface air minimum (Tmin) and maximum (Tmax) temperatures, by season and elevation, over the southern range of the Colorado Rocky Mountains. The projections are from four regional climate models (RCMs) that are part of the North American Regional Climate Change Assessment Program (NARCCAP). All four RCMs project 2°C or higher increases in Tmin and Tmax for all seasons. However, there are much greater (>3°C) increases in Tmax during summer at higher elevations and in Tmin during winter at lower elevations. Tmax increases during summer are associated with drying conditions. The models simulate large reductions in latent heat fluxes and increases in sensible heat fluxes that are, in part, caused by decreases in precipitation and soil moisture. Tmin increases during winter are found to be associated with decreases in surface snow cover, and increases in soil moisture and atmospheric water vapor. The increased moistening of the soil and atmosphere facilitates a greater diurnal retention of the daytime solar energy in the land surface and amplifies the longwave heating of the land surface at night. We hypothesize that the presence of significant surface moisture fluxes can modify the effects of snow-albedo feedback and results in greater wintertime warming at night than during the day. © 2012 Springer-Verlag. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/55150
Appears in Collections: 过去全球变化的重建
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作者单位: Physical Sciences Division, NOAA Earth System Research Laboratory, Boulder, CO, United States; Geological Sciences Department and Environmental Studies Program, University of Colorado, Boulder, CO, United States; Bureau of Reclamation, University of Colorado, Boulder, CO, United States; Department of Marine and Coastal Sciences, Rutgers University, 71 Dudley Road, New Brunswick, NJ, United States
Recommended Citation:
Rangwala I.,Barsugli J.,Cozzetto K.,et al. Mid-21st century projections in temperature extremes in the southern Colorado Rocky Mountains from regional climate models[J]. Climate Dynamics,2012-01-01,39(2017-07-08)