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DOI10.1016/j.gloplacha.2020.103289
Global river water warming due to climate change and anthropogenic heat emission
Liu, Shuang; Xie, Zhenghui; Liu, Bin; Wang, Yan; Gao, Junqiang; Zeng, Yujin; Xie, Jinbo; Xie, Zhipeng; Jia, Binghao; Qin, Peihua; Li, Ruichao; Wang, Longhuan; Chen, Si
通讯作者Xie, ZH (通讯作者)
发表日期2020
ISSN0921-8181
EISSN1872-6364
卷号193
英文摘要Understanding the change of water temperature in rivers is important for riverine environmental management. However, most land surface models make light of riverine system, which hampers our understanding of riverine status closely related to human living environment, from the perspective of climate system. In this study, we incorporated a parameterization of large-scale river water temperature computing with anthropogenic heat emission into a river routing module in a global land surface model to investigate the responses of river water temperature to climate change and anthropogenic heat emission over the past 30 years. Results show that the water temperature of the tropical rivers, with a multi-year averaged value of c. 25 degrees C, was the highest. The mean temperature in the temperate of northern hemisphere decreased from 20 degrees C in the southern zone to 6 degrees C in the northern zone, while that in the frigid zone is usually lower than 6 degrees C. Water temperature of most rivers significantly increased. The water temperature of rivers between 30 degrees S and 30 degrees N increased most at c. 0.5 degrees C per decade, while the increases across the mid and high latitudes were smaller, even decreases occurred in some places, such as the west of Canada, the northwest of South America, and some islands in South Asia. Climate change warmed river water, and anthropogenic heat emission further made the temperature increased. In Asia, the mean annual impact of heat emission on the water temperature has continuously increased from 0.5 degrees C to 0.8 degrees C, whereas Africa has nearly no obvious heat pollution. The water temperature change reflects a gradually human-dominated riverine even climatic system.
关键词ARTIFICIAL NEURAL-NETWORKEARTH SYSTEM MODELTHERMAL REGIMELAND-SURFACETEMPERATUREHYDROLOGYDYNAMICSSTREAM
英文关键词River water temperature; Land surface modeling; Climate change; Human impact
语种英语
WOS研究方向Physical Geography ; Geology
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS记录号WOS:000579856400019
来源期刊GLOBAL AND PLANETARY CHANGE
来源机构中国科学院青藏高原研究所
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/260051
推荐引用方式
GB/T 7714
Liu, Shuang,Xie, Zhenghui,Liu, Bin,et al. Global river water warming due to climate change and anthropogenic heat emission[J]. 中国科学院青藏高原研究所,2020,193.
APA Liu, Shuang.,Xie, Zhenghui.,Liu, Bin.,Wang, Yan.,Gao, Junqiang.,...&Chen, Si.(2020).Global river water warming due to climate change and anthropogenic heat emission.GLOBAL AND PLANETARY CHANGE,193.
MLA Liu, Shuang,et al."Global river water warming due to climate change and anthropogenic heat emission".GLOBAL AND PLANETARY CHANGE 193(2020).
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