气候变化领域集成服务门户(CCPortal): Elevation-dependent warming of maximum air temperature in Nepal during 1976

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DOI	10.1016/j.atmosres.2019.06.006
	Elevation-dependent warming of maximum air temperature in Nepal during 1976–2015
	Thakuri S.; Dahal S.; Shrestha D.; Guyennon N.; Romano E.; Colombo N.; Salerno F.
发表日期	2019
ISSN	0169-8095
起始页码	261
结束页码	269
卷号	228
英文摘要	Significant elevation-dependent warming (EDW) of maximum near-surface air temperature and diurnal temperature range (DTR) has been observed in Nepal (southern central Himalaya) until 2566 m a.s.l., over the last four decades (1976–2015). During this period, on the average and across the entire country, maximum air temperature increased (+0.045 °C y−1, p < .001) more than minimum temperature (+0.009 °C y−1, p < .05) and, as a consequence, DTR also increased significantly (+0.034 °C y−1, p < .001). Maximum temperature increases have been observed during all seasons of the year. This warming pattern differs from the symmetrical one observed at global level in the same period, and it is in contrast to more prominent minimum temperature increases observed in the north of Himalaya (Tibetan Plateau). Furthermore, the near-surface air temperature change observed in Nepal contrasts the global evidence of main increasing trends occurring during the winter months. We point out that this asymmetric warming pattern could have more serious impacts in Nepal than in other regions of the world, considering the consequences of associated warm maximum-temperature extremes (heatwaves, hot days) on human life, increased primary production, and modifications in the hydrological cycle. We conclude sustaining that the observed EDW of maximum temperature and the DTR could be attributed to the monsoon weakening, namely to the reduced number of rainy days observed in the region during the last decades. These phenomena could have been accompanied by decreasing cloudiness and consequent increasing of daytime shortwave and decreasing of nighttime longwave incoming solar radiation. © 2019 Elsevier B.V.
英文关键词	Diurnal temperature range; Elevation-dependent warming; Himalaya; Maximum temperature; Nepal; Temperature trends
语种	英语
scopus关键词	Atmospheric thermodynamics; Diurnal temperature ranges; Elevation-dependent warming; Himalayas; Maximum temperature; Nepal; Temperature trends; Atmospheric temperature; air temperature; altitude; diurnal variation; heat wave; monsoon; trend analysis; warming; Himalayas; Nepal
来源期刊	Atmospheric Research
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/162252
作者单位	Central Department of Environmental Science, Tribhuvan University, Kirtipur, 44618, Nepal; GoldenGate International College, Kathmandu, Nepal; Central Department of Hydrology and Meteorology, Tribhuvan University, Kirtipur, Nepal; Water Research Institute (IRSA-CNR), Montelibretti, Rome, Italy; University of Turin, Department of Earth Sciences, Turin, Italy; Water Research Institute (IRSA-CNR), BrugherioMB, Italy
推荐引用方式 GB/T 7714	Thakuri S.,Dahal S.,Shrestha D.,等. Elevation-dependent warming of maximum air temperature in Nepal during 1976–2015[J],2019,228.
APA	Thakuri S..,Dahal S..,Shrestha D..,Guyennon N..,Romano E..,...&Salerno F..(2019).Elevation-dependent warming of maximum air temperature in Nepal during 1976–2015.Atmospheric Research,228.
MLA	Thakuri S.,et al."Elevation-dependent warming of maximum air temperature in Nepal during 1976–2015".Atmospheric Research 228(2019).