Precipitation Changes in Semi-arid Regions in East Asia Under Global Warming

The semi-arid regions of East Asia are located in the transition area between regions dominated by the monsoon system and by westerly winds; their interaction is the key to understand precipitation changes, especially in the summer. Our results show that the enhancement of both the monsoon and weste...

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Autores principales:	Xiaodan Guan, Kaiwei Zhu, Xiaoqian Huang, Xinrui Zeng, Yongli He
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	precipitation loess plateau monsoon westerly wind enso Science Q
Acceso en línea:	https://doaj.org/article/dc5483d20d68437faa05a807f3fe31fd
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id	oai:doaj.org-article:dc5483d20d68437faa05a807f3fe31fd
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spelling	oai:doaj.org-article:dc5483d20d68437faa05a807f3fe31fd2021-11-11T09:52:01ZPrecipitation Changes in Semi-arid Regions in East Asia Under Global Warming2296-646310.3389/feart.2021.762348https://doaj.org/article/dc5483d20d68437faa05a807f3fe31fd2021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/feart.2021.762348/fullhttps://doaj.org/toc/2296-6463The semi-arid regions of East Asia are located in the transition area between regions dominated by the monsoon system and by westerly winds; their interaction is the key to understand precipitation changes, especially in the summer. Our results show that the enhancement of both the monsoon and westerly winds occurs in wet years, leading to stronger convergence and more rainfall. Weakening of both the monsoon and westerly winds occurs in dry years and results in less rainfall. Such interaction between the monsoon and westerlies is not constant; the boundary of their effects is changing all the time. As the monsoon strengthens, it shifts to the west in wet years and covers most of the semi-arid regions, and the negative effect of the El Niño-Southern Oscillation (ENSO) system on precipitation in the semi-arid regions becomes obvious. However, westward expansion has not been evident over the past 70 years in historic data. In the future, the monsoon will obviously expand westward, and the precipitation over the Loess Plateau will gradually increase as the monsoon boundary expand westward until the end of the 21st century. This change indicates that more rainfall will occur in the semi-arid regions of East Asia, which could dramatically change the ecological environment, especially over the Loess Plateau.Xiaodan GuanXiaodan GuanKaiwei ZhuXiaoqian HuangXinrui ZengYongli HeYongli HeFrontiers Media S.A.articleprecipitationloess plateaumonsoonwesterly windensoScienceQENFrontiers in Earth Science, Vol 9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	precipitation loess plateau monsoon westerly wind enso Science Q
spellingShingle	precipitation loess plateau monsoon westerly wind enso Science Q Xiaodan Guan Xiaodan Guan Kaiwei Zhu Xiaoqian Huang Xinrui Zeng Yongli He Yongli He Precipitation Changes in Semi-arid Regions in East Asia Under Global Warming
description	The semi-arid regions of East Asia are located in the transition area between regions dominated by the monsoon system and by westerly winds; their interaction is the key to understand precipitation changes, especially in the summer. Our results show that the enhancement of both the monsoon and westerly winds occurs in wet years, leading to stronger convergence and more rainfall. Weakening of both the monsoon and westerly winds occurs in dry years and results in less rainfall. Such interaction between the monsoon and westerlies is not constant; the boundary of their effects is changing all the time. As the monsoon strengthens, it shifts to the west in wet years and covers most of the semi-arid regions, and the negative effect of the El Niño-Southern Oscillation (ENSO) system on precipitation in the semi-arid regions becomes obvious. However, westward expansion has not been evident over the past 70 years in historic data. In the future, the monsoon will obviously expand westward, and the precipitation over the Loess Plateau will gradually increase as the monsoon boundary expand westward until the end of the 21st century. This change indicates that more rainfall will occur in the semi-arid regions of East Asia, which could dramatically change the ecological environment, especially over the Loess Plateau.
format	article
author	Xiaodan Guan Xiaodan Guan Kaiwei Zhu Xiaoqian Huang Xinrui Zeng Yongli He Yongli He
author_facet	Xiaodan Guan Xiaodan Guan Kaiwei Zhu Xiaoqian Huang Xinrui Zeng Yongli He Yongli He
author_sort	Xiaodan Guan
title	Precipitation Changes in Semi-arid Regions in East Asia Under Global Warming
title_short	Precipitation Changes in Semi-arid Regions in East Asia Under Global Warming
title_full	Precipitation Changes in Semi-arid Regions in East Asia Under Global Warming
title_fullStr	Precipitation Changes in Semi-arid Regions in East Asia Under Global Warming
title_full_unstemmed	Precipitation Changes in Semi-arid Regions in East Asia Under Global Warming
title_sort	precipitation changes in semi-arid regions in east asia under global warming
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/dc5483d20d68437faa05a807f3fe31fd
work_keys_str_mv	AT xiaodanguan precipitationchangesinsemiaridregionsineastasiaunderglobalwarming AT xiaodanguan precipitationchangesinsemiaridregionsineastasiaunderglobalwarming AT kaiweizhu precipitationchangesinsemiaridregionsineastasiaunderglobalwarming AT xiaoqianhuang precipitationchangesinsemiaridregionsineastasiaunderglobalwarming AT xinruizeng precipitationchangesinsemiaridregionsineastasiaunderglobalwarming AT yonglihe precipitationchangesinsemiaridregionsineastasiaunderglobalwarming AT yonglihe precipitationchangesinsemiaridregionsineastasiaunderglobalwarming
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Precipitation Changes in Semi-arid Regions in East Asia Under Global Warming

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