GSTDTAP  > 资源环境科学
DOI10.1038/s41558-020-0825-x
Increased melting level height impacts surface precipitation phase and intensity
Prein, Andreas F.; Heymsfield, Andrew J.
2020-06-29
发表期刊NATURE CLIMATE CHANGE
ISSN1758-678X
EISSN1758-6798
出版年2020
文章类型Article;Early Access
语种英语
国家USA
英文摘要

The global near-surface temperature increased by similar to 0.155 K per decade during 1979-2012, which resulted in decreasing snow and increasing rain events, retreating mountain glaciers and more frequent and intense rainfall extremes. Although surface temperature increases are well studied, less attention is given to the associated changes in the tropospheric thermal structure, such as melting level height, which affects cloud microphysics and surface precipitation. Here we use observations and reanalyses to show that the melting level height increased by 32 +/- 14 m per decade over global land areas during 1979-2010, consistent with a warming atmosphere. This causes a transition from snow to rain, the enhanced melting of hail and an increased depth of warm cloud layers (cloud base to melting level distance). Warm cloud layers with a depth beyond similar to 3.5 km result in an intensification of extreme precipitation at twice the rate of the atmospheric moisture increases. Days with such environments increased by 25% per decade in populated regions, such as the eastern United States.


领域资源环境
收录类别SCI-E ; SSCI
WOS记录号WOS:000544168800004
WOS关键词NORTH-AMERICA ; CLIMATE ; TEMPERATURE ; TRENDS ; HAIL ; VARIABILITY ; PERFORMANCE ; ATMOSPHERE ; FREQUENCY ; CLOUD
WOS类目Environmental Sciences ; Environmental Studies ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
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文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/281830
专题资源环境科学
作者单位Natl Ctr Atmospher Res NCAR, Boulder, CO 80305 USA
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GB/T 7714
Prein, Andreas F.,Heymsfield, Andrew J.. Increased melting level height impacts surface precipitation phase and intensity[J]. NATURE CLIMATE CHANGE,2020.
APA Prein, Andreas F.,&Heymsfield, Andrew J..(2020).Increased melting level height impacts surface precipitation phase and intensity.NATURE CLIMATE CHANGE.
MLA Prein, Andreas F.,et al."Increased melting level height impacts surface precipitation phase and intensity".NATURE CLIMATE CHANGE (2020).
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