干旱区生态环境知识资源中心(Arid): High-Resolution, Integrated Hydrological Modeling of Climate Change Impacts on a Semi-Arid Urban Watershed in Niamey, Niger

Arid

DOI	10.3390/w12020364
	High-Resolution, Integrated Hydrological Modeling of Climate Change Impacts on a Semi-Arid Urban Watershed in Niamey, Niger
	Boko, Boubacar Abdou 1,2; Konate, Moussa 2; Yalo, Nicaise 3; Berg, Steven J.4,5; Erler, Andre R.4,6; Bazie, Pibgnina 7; Hwang, Hyoun-Tae 4,5; Seidou, Ousmane 8; Niandou, Albachir Seydou 9; Schimmel, Keith 9; Sudicky, Edward A.4,5
通讯作者	Schimmel, Keith
来源期刊	WATER
EISSN	2073-4441
出版年	2020
卷号	12 期号:2
英文摘要	This study evaluates the impact of climate change on water resources in a large, semi-arid urban watershed located in the Niamey Republic of Niger, West Africa. The watershed was modeled using the fully integrated surface subsurface HydroGeoSphere model at a high spatial resolution. Historical (1980-2005) and projected (2020-2050) climate scenarios, derived from the outputs of three regional climate models (RCMs) under the regional climate projection (RCP) 4.5 scenario, were statistically downscaled using the multiscale quantile mapping bias correction method. Results show that the bias correction method is optimum at daily and monthly scales, and increased RCM resolution does not improve the performance of the model. The three RCMs predicted increases of up to 1.6% in annual rainfall and of 1.58 degrees C for mean annual temperatures between the historical and projected periods. The durations of the minimum environmental flow (MEF) conditions, required to supply drinking and agricultural water, were found to be sensitive to changes in runoff resulting from climate change. MEF occurrences and durations are likely to be greater from 2020-2030, and then they will be reduced for the 2030-2050 statistical periods. All three RCMs consistently project a rise in groundwater table of more than 10 m in topographically high zones, where the groundwater table is deep, and an increase of 2 m in the shallow groundwater table.
英文关键词	climate change integrated hydrological model semi-arid impacts
类型	Article
语种	英语
国家	Benin ; Niger ; Canada ; USA
开放获取类型	Green Published, gold, Green Submitted
收录类别	SCI-E
WOS记录号	WOS:000519846500055
WOS关键词	GROUNDWATER RECHARGE ; GLOBAL CLIMATE ; RIVER-BASIN ; UNCERTAINTY ; SURFACE ; RESOURCES ; EXAMPLE ; FLOW
WOS类目	Environmental Sciences ; Water Resources
WOS研究方向	Environmental Sciences & Ecology ; Water Resources
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/315716
作者单位	1.Univ DAbomey Calavi, West African Sci Serv Ctr Climate Change & Adapte, Grad Res Program Climate Change & Water Resources, 03 BP 526, Cotonou, Benin; 2.Univ Abdou Moumouni Niamey, Fac Sci & Tech, Dept Geol, BP 10 662, Niamey 8000, Niger; 3.Univ Abomey Calavi, Natl Water Inst, 03 BP 526, Cotonou, Benin; 4.Aquanty Inc, 564 Weber St North, Waterloo, ON N2L 5C6, Canada; 5.Univ Waterloo, Dept Earth & Environm Sci, Waterloo, ON N2L 4C6, Canada; 6.Univ Toronto, Dept Phys, Toronto, ON M5J 2S7, Canada; 7.AGRHYMET Reg Ctr, Niamey 8000, Niger; 8.Univ Ottawa, Dept Civil Engn, Kingston, ON K7L 3R2, Canada; 9.North Carolina Agr & Tech State Univ, Appl Sci & Technol, Greensboro, NC 27411 USA
推荐引用方式 GB/T 7714	Boko, Boubacar Abdou,Konate, Moussa,Yalo, Nicaise,et al. High-Resolution, Integrated Hydrological Modeling of Climate Change Impacts on a Semi-Arid Urban Watershed in Niamey, Niger[J],2020,12(2).
APA	Boko, Boubacar Abdou.,Konate, Moussa.,Yalo, Nicaise.,Berg, Steven J..,Erler, Andre R..,...&Sudicky, Edward A..(2020).High-Resolution, Integrated Hydrological Modeling of Climate Change Impacts on a Semi-Arid Urban Watershed in Niamey, Niger.WATER,12(2).
MLA	Boko, Boubacar Abdou,et al."High-Resolution, Integrated Hydrological Modeling of Climate Change Impacts on a Semi-Arid Urban Watershed in Niamey, Niger".WATER 12.2(2020).