干旱区生态环境知识资源中心(Arid): Assessment of clogging of managed aquifer recharge in a semi-arid region

Arid

DOI	10.1016/j.scitotenv.2020.139107
	Assessment of clogging of managed aquifer recharge in a semi-arid region
	Zaidi, Mohammed; Ahfir, Nasre-Dine; Alem, Abdellah; El Mansouri, Bouabid; Wang, Huaqing; Taibi, Said; Duchemin, Benoit; Merzouk, Abdesselam
通讯作者	Ahfir, ND
来源期刊	SCIENCE OF THE TOTAL ENVIRONMENT
ISSN	0048-9697
EISSN	1879-1026
出版年	2020
卷号	730
英文摘要	To overcome water scarcity issues in arid and semi-arid regions, Managed Aquifer Recharge (MAR) remains a viable and suitable solution to manage and restore aquifers. However, clogging represents a major issue that can affect the durability and efficiency of MAR structures. The aim of this study was to evaluate the extent of clogging in MAR sites (Berrechid, Morocco). To achieve this objective, two field-based studies were undertaken: the first one consists of implantation of sand-filled columns in the recharge sites to evaluate the surface and subsurface clogging. The second one consists of the implantation of pickets over a 750 m(2) area in each recharge site to measure the extent of deposit thickness on the surface of the wadi bed. Results show that, despite the low rainfall (<1.4 mm/day) and the short period (91 days) of the study, the deposits thickness exceeds 3 cm in a large part of the MAR. The suspended solids concentrations measured in recharge sites ranged from 1.1 to 1.4 g/L. Due to the particles retention, the estimation of the saturated hydraulic conductivity (k) of the sand declines over 90% in the immediate entrance of the columns. The k values measured in situ during the drying period ranged from 10(-5) to 10(-6) m/s. The k values of the cake formed, without cracks, was about 10-8 m/s. The presence of cracks drives the entire infiltration. However, due to the high plasticity index of theMAR soil, a slight reduction of cracks opening during wetting cycles is observed. In addition, particles deposited in these cracks, would contribute actively to the reduction of infiltration. The results of this study clearly showed theMAR sites vulnerability in semi-arid regions due to physical clogging. (C) 2020 Elsevier B.V. All rights reserved.
英文关键词	Semi-arid region Managed aquifer recharge Particles transfer Hydraulic conductivity Clogging Soil cracks
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000537448900017
WOS关键词	STORMWATER INFILTRATION SYSTEM ; DOUBLE-RING INFILTROMETER ; ARTIFICIAL RECHARGE ; GROUNDWATER RECHARGE ; DESICCATION CRACKING ; RIVER ; SOIL ; WATER ; SEDIMENT ; STORAGE
WOS类目	Environmental Sciences
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/324609
作者单位	[Zaidi, Mohammed; Ahfir, Nasre-Dine; Alem, Abdellah; Wang, Huaqing; Taibi, Said; Duchemin, Benoit] Normandie Univ, UNIHAVRE, UMR 6294, LOMC,CNRS, F-76600 Le Havre, France; [Zaidi, Mohammed; El Mansouri, Bouabid; Merzouk, Abdesselam] Ibn Tofail Univ, Lab Geosci Nat Resources, Hydroinformat Sect, Fac Sci, Moamora Campus,BP 133, Kenitra 14000, Morocco
推荐引用方式 GB/T 7714	Zaidi, Mohammed,Ahfir, Nasre-Dine,Alem, Abdellah,et al. Assessment of clogging of managed aquifer recharge in a semi-arid region[J],2020,730.
APA	Zaidi, Mohammed.,Ahfir, Nasre-Dine.,Alem, Abdellah.,El Mansouri, Bouabid.,Wang, Huaqing.,...&Merzouk, Abdesselam.(2020).Assessment of clogging of managed aquifer recharge in a semi-arid region.SCIENCE OF THE TOTAL ENVIRONMENT,730.
MLA	Zaidi, Mohammed,et al."Assessment of clogging of managed aquifer recharge in a semi-arid region".SCIENCE OF THE TOTAL ENVIRONMENT 730(2020).