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Monitoring Recent Changes in Drought and Wetness in the Source Region of the Yellow River Basin, China

文献类型：期刊论文

作者Ren, Yanqun1,2; Liu, Jinping1,3; Shalamzari, Masoud Jafari4,5; Arshad, Arfan6; Liu, Suxia2,7; Liu, Tie8; Tao, Hui8
刊名WATER
出版日期2022-03-01
卷号14期号:6页码:18
关键词standardized precipitation index reconnaissance drought index drought and wet changes multiple time scales source region of the Yellow River Basin
DOI10.3390/w14060861
通讯作者Liu, Jinping(liujp@radi.ac.cn) ; Liu, Tie(liutie@ms.xjb.ac.cn)
英文摘要The source region of the Yellow River Basin (SRYRB) is not only sensitive to climate change and the vulnerable region of the ecological environment but also the primary runoff generating region of the Yellow River Basin (YRB). Its changes of drought and wetness profoundly impact water resources security, food production and ecological environment in the middle and downward reaches of YRB. In the context of global warming, based on daily precipitation, maximum and minimum temperature of 12 national meteorological stations around and within SRYRB during 1960-2015, this study obtained standardized precipitation index (SPI) and reconnaissance drought index (RDI) on 1-, 3-, 6- and 12-month scales, and then compared the consistency of SPI and RDI in many aspects. Finally, the temporal and spatial variation characteristics of drought and wetness in the SRYRB during 1960-2015 were analyzed in this study. The results showed that SPI and RDI have high consistency on different time scales (correlation coefficient above 0.92). According to the average distribution and change trend of the RDI, SRYRB presented an overall wetness state on different time scales. We found an increasing trend in wetness since the early 1980s. In terms of wetness events of different magnitudes, the highest frequency for moderate and severe ones was in June (12.7%) and February (5.5%), respectively, and for extreme wetness events, both September and January had the highest frequency (1.8%). Among the four seasons, the change rate of RDI in spring was the largest with a value of 0.38 decade(-1), followed by winter (0.36 decade(-1)) and autumn (0.2 decade(-1)) and the smallest in summer (0.1 decade(-1)). There was a greater consistency between RDI values of larger time scales such as annual and vegetation growing seasonal (VGS) scales in SRYRB. There was generally a growing trend in wetness in the VGS time scale. These findings presented in this study can provide data support for drought and wetness management in SRYRB.
WOS关键词STANDARDIZED PRECIPITATION INDEX ; SPATIOTEMPORAL VARIABILITY ; CLIMATE-CHANGE ; RDI ; TRENDS ; SCALE ; SPI
资助项目K.C. Wong Education Foundation[GJTD-2020-14] ; CAS[131965KYSB20200029] ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP)[2019QZKK0903] ; Belt and Road Special Foundation of the State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering[2021491411] ; Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences[WL2019001]
WOS研究方向Environmental Sciences & Ecology ; Water Resources
语种英语
出版者MDPI
WOS记录号WOS:000776301300001
资助机构K.C. Wong Education Foundation ; CAS ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Belt and Road Special Foundation of the State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering ; Key Laboratory of Water Cycle and Related Land Surface Processes, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences
源URL[http://ir.igsnrr.ac.cn/handle/311030/173063]  
专题中国科学院地理科学与资源研究所
通讯作者Liu, Jinping; Liu, Tie
作者单位1.North China Univ Water Resources & Elect Power, Coll Surveying & Geoinformat, Zhengzhou 450046, Peoples R China
2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
3.Hohai Univ, Key Lab Hydrol Water Resources & Hydraul Engn, Nanjing 210098, Peoples R China
4.Dept Environm, Tabas Branch, Tabas 9791735618, Iran
5.Univ Chinese Acad Sci, Aerosp Informat Res Inst, Key Lab Digital Earth Sci, Beijing 100094, Peoples R China
6.Oklahoma State Univ, Dept Biosyst & Agr Engn, Stillwater, OK 74078 USA
7.Univ Chinese Acad Sci, Coll Resources & Environm, Sino Danish Coll, Beijing 100190, Peoples R China
8.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, State Key Lab Desert & Oasis Ecol, Urumqi 830011, Peoples R China
推荐引用方式
GB/T 7714		 Ren, Yanqun,Liu, Jinping,Shalamzari, Masoud Jafari,et al. Monitoring Recent Changes in Drought and Wetness in the Source Region of the Yellow River Basin, China[J]. WATER,2022,14(6):18.
APA Ren, Yanqun.,Liu, Jinping.,Shalamzari, Masoud Jafari.,Arshad, Arfan.,Liu, Suxia.,...&Tao, Hui.(2022).Monitoring Recent Changes in Drought and Wetness in the Source Region of the Yellow River Basin, China.WATER,14(6),18.
MLA Ren, Yanqun,et al."Monitoring Recent Changes in Drought and Wetness in the Source Region of the Yellow River Basin, China".WATER 14.6(2022):18.

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来源：地理科学与资源研究所

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