Arid
DOI10.1007/s10040-013-1094-9
Behaviour of a small sedimentary volcanic aquifer receiving irrigation return flows: La Aldea, Gran Canaria, Canary Islands (Spain)
Cruz-Fuentes, T.1; Heredia, J.2; Cabrera, M. C.1; Custodio, E.3
通讯作者Cabrera, M. C.
来源期刊HYDROGEOLOGY JOURNAL
ISSN1431-2174
EISSN1435-0157
出版年2014
卷号22期号:4页码:865-882
英文摘要

In many arid and semi-arid areas, intensive cultivation is practiced despite water commonly being a limiting factor. Often, irrigation water is from local aquifers or imported from out-of-area aquifers and surface reservoirs. Irrigation return flows become a significant local recharge source, but they may deteriorate aquifer water quality. La Aldea valley, located in the western sector of Gran Canaria Island (Atlantic Ocean), is a coastal, half-closed depression in altered, low-permeability volcanics with alluvium in the gullies and scree deposits over a large part of the area. This area is intensively cultivated. Irrigation water comes from reservoirs upstream and is supplemented (average 30 %) by local groundwater; supplementation goes up to 70 % in dry years, in which groundwater reserves are used up to exhaustion if the dry period persists. Thus, La Aldea aquifer is key to the water-supply system, whose recharge is mostly from return irrigation flows and the scarce local rainfall recharge on the scree formations, conveyed to the gully deposits. To quantify the hydrogeological conceptual model and check data coherence, a simplified numerical model has been constructed, which can be used as a tool to help in water management.


英文关键词Volcanic-sedimentary aquifer Conceptual models Arid and semi-arid area Integrated water resources management Canary Islands (Spain)
类型Article
语种英语
国家Spain
收录类别SCI-E
WOS记录号WOS:000336269500009
WOS关键词COASTAL AQUIFER ; MODEL UNCERTAINTY ; CONCEPTUAL MODELS ; SOUTHERN SPAIN ; SIMULATION ; INTRUSION ; HAWAII ; SYSTEM ; OAHU ; USA
WOS类目Geosciences, Multidisciplinary ; Water Resources
WOS研究方向Geology ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/182439
作者单位1.Univ Las Palmas de Gran Canaria ULPGC, Dept Phys, Las Palmas Gran Canaria 35017, Spain;
2.Geol Inst Spain IGME, Madrid 28003, Spain;
3.Tech Univ Catalonia UPC, Dept Geoengn, Groundwater Hydrol Grp, Barcelona 08034, Spain
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Cruz-Fuentes, T.,Heredia, J.,Cabrera, M. C.,et al. Behaviour of a small sedimentary volcanic aquifer receiving irrigation return flows: La Aldea, Gran Canaria, Canary Islands (Spain)[J],2014,22(4):865-882.
APA Cruz-Fuentes, T.,Heredia, J.,Cabrera, M. C.,&Custodio, E..(2014).Behaviour of a small sedimentary volcanic aquifer receiving irrigation return flows: La Aldea, Gran Canaria, Canary Islands (Spain).HYDROGEOLOGY JOURNAL,22(4),865-882.
MLA Cruz-Fuentes, T.,et al."Behaviour of a small sedimentary volcanic aquifer receiving irrigation return flows: La Aldea, Gran Canaria, Canary Islands (Spain)".HYDROGEOLOGY JOURNAL 22.4(2014):865-882.
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