globalchange  > 气候减缓与适应
DOI: 10.1002/2014GL062039
论文题名:
The contribution of reduction in evaporative cooling to higher surface air temperatures during drought
作者: Yin D.; Roderick M.L.; Leech G.; Sun F.; Huang Y.
刊名: Geophysical Research Letters
ISSN: 0094-9610
EISSN: 1944-9341
出版年: 2014
卷: 41, 期:22
起始页码: 7891
结束页码: 7897
语种: 英语
英文关键词: drought
Scopus关键词: Carbon dioxide ; Drought ; Evaporation ; Evaporative cooling systems ; Available water ; Climatic data ; Elevated CO ; Evaporative cooling ; Meteorological drought ; Radiative signature ; Surface air temperatures ; Surface radiative flux ; Atmospheric temperature ; air temperature ; arid region ; carbon dioxide ; data set ; drought stress ; high temperature ; precipitation (climatology) ; radiation balance ; temperature effect ; water availability ; Australia ; Brazil ; United States
英文摘要: Higher temperatures are usually reported during meteorological drought and there are two prevailing interpretations for this observation. The first is that the increase in temperature (T) causes an increase in evaporation (E) that dries the environment. The second states that the decline in precipitation (P) during drought reduces the available water thereby decreasing E, and in turn the consequent reduction in evaporative cooling causes higher T. To test which of these interpretations is correct, we use climatic data (T, P) and a recently released database (CERES) that includes incoming and outgoing shortwave and longwave surface radiative fluxes to study meteorological drought at four sites (parts of Australia, US, and Brazil), using the Budyko approximation to calculate E. The results support the second interpretation at arid sites. The analysis also showed that increases in T due to drought have a different radiative signature from increases in T due to elevated CO2. © 2014. American Geophysical Union. All Rights Reserved.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84921882367&doi=10.1002%2f2014GL062039&partnerID=40&md5=f21ac546f62319c12a9fcf6c48e8da35
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/6874
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作者单位: State Key Laboratory of Hydro-Science and Engineering, Tsinghua University, Beijing, China

Recommended Citation:
Yin D.,Roderick M.L.,Leech G.,et al. The contribution of reduction in evaporative cooling to higher surface air temperatures during drought[J]. Geophysical Research Letters,2014-01-01,41(22).
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