Arid
DOI10.1007/s10040-014-1170-9
Multi-method assessment of connectivity between surface water and shallow groundwater: the case of Limari River basin, north-central Chile
Oyarzun, Ricardo1,2; Barrera, Felisa3; Salazar, Pamela3; Maturana, Hugo1; Oyarzun, Jorge1; Aguirre, Evelyn4; Alvarez, Pablo5; Jourde, Herve6; Kretschmer, Nicole2
通讯作者Oyarzun, Ricardo
来源期刊HYDROGEOLOGY JOURNAL
ISSN1431-2174
EISSN1435-0157
出版年2014
卷号22期号:8页码:1857-1873
英文摘要

A study that tests the applicability and consistency of independent but complementary approaches in the assessment of interactions between surface water and shallow groundwater within a water-stressed basin is described. The mostly agricultural Limari basin in arid north-central Chile was chosen as a suitable case study. The analyses involved: (1) a connectivity index method, (2) hydrochemistry, and (3) water isotopic geochemistry. Chemical and isotopic data were obtained from two sampling campaigns conducted in April (fall) and December (summer) of 2011 in 22 sampling locations, which included surface water and groundwater. The results obtained by each of the methodologies were mutually consistent and indicate high connectivity conditions. Additionally, the relative contribution by different sources was assessed through end-member mixing analysis, and for reaches of the river that showed gaining conditions, the contribution of groundwater inflow to stream discharge was estimated. It is suggested that this multi-method approach is useful for the characterization of surface-water-groundwater interactions, since it at least represents a suitable starting point for obtaining basic information on these relationships. Thus, it may become the base for further studies in arid and semi-arid basins facing water management challenges.


英文关键词Stable isotopes Radon Over-allocated basin Arid regions Chile
类型Article
语种英语
国家Chile ; France
收录类别SCI-E
WOS记录号WOS:000345285600010
WOS关键词MULTIVARIATE STATISTICAL-METHODS ; HYDROCHEMICAL DATA ; AQUIFER ; CLASSIFICATION ; VARIABILITY
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/2XILL650/182445
作者单位1.Univ La Serena, Dept Ingn Minas, La Serena, Chile;
2.Ctr Estudios Avanzados Zonas Aridas, Av Raul Bitran S-N, La Serena, Chile;
3.Univ La Serena, La Serena, Chile;
4.Comis Chilena Energia Nucl, Las Condes, Chile;
5.Univ La Serena, Dept Agron, Ovalle, Chile;
6.Univ Montpellier 2, UMR HydroSci Montpellier, Montpellier, France
推荐引用方式
GB/T 7714
Oyarzun, Ricardo,Barrera, Felisa,Salazar, Pamela,et al. Multi-method assessment of connectivity between surface water and shallow groundwater: the case of Limari River basin, north-central Chile[J],2014,22(8):1857-1873.
APA Oyarzun, Ricardo.,Barrera, Felisa.,Salazar, Pamela.,Maturana, Hugo.,Oyarzun, Jorge.,...&Kretschmer, Nicole.(2014).Multi-method assessment of connectivity between surface water and shallow groundwater: the case of Limari River basin, north-central Chile.HYDROGEOLOGY JOURNAL,22(8),1857-1873.
MLA Oyarzun, Ricardo,et al."Multi-method assessment of connectivity between surface water and shallow groundwater: the case of Limari River basin, north-central Chile".HYDROGEOLOGY JOURNAL 22.8(2014):1857-1873.
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