Arid
DOI10.1007/s12665-014-3393-4
A hydrogeochemistry and isotopic approach for the assessment of surface water-groundwater dynamics in an arid basin: the Limari watershed, North-Central Chile
Oyarzun, Ricardo1,2; Jofre, Elizabeth3; Morales, Paulina3; Maturana, Hugo1; Oyarzun, Jorge1; Kretschmer, Nicole2; Aguirre, Evelyn4; Gallardo, Patricio4; Toro, Luis E.5; Munoz, Jose F.6; Aravena, Ramon7
通讯作者Oyarzun, Ricardo
来源期刊ENVIRONMENTAL EARTH SCIENCES
ISSN1866-6280
EISSN1866-6299
出版年2015
卷号73期号:1页码:39-55
英文摘要

This paper describes the results of a hydrochemistry and isotopic study of surface water and groundwater dynamics at the Limari River basin, arid North-Central Chile. The study involved two sampling campaigns, performed in April (Fall, at the end of the irrigation season) and December 2010 (late Spring, at the peak of the irrigation season). The main results show the effect of La Paloma and Hurtado dams on the chemical and isotopic compositions of the Grande and Hurtado rivers (main tributaries of the Limari River), the influence of return flows to the Limari River from surface water irrigation in agricultural areas, the local effects of metallurgical operations in the El Ingenio Creek, the effect of water-rock interaction processes, and the nearby coastal belt influence on the Punitaqui Creek area and the lower part of the Limari River. In addition, this study shows an active interaction between surface water and shallow groundwater, and a minor importance of local precipitation events, on the hydrological behavior in the study area. An exception is the Rinconada de Punitaqui zone where the results are consistent with the origin of the water being associated with local precipitation. Also, sources of sulfate, which is present in high levels especially in surface waters, have been assessed. The results of this study, based on an integrated use of chemical and isotopic tracers, provide sound and useful information to establish the level of interaction between surface water and groundwater, allowing the development of a hydrological conceptual model for the area.


英文关键词Environmental isotopes River-aquifer interaction Flow conceptual model
类型Article
语种英语
国家Chile ; Austria ; Canada
收录类别SCI-E
WOS记录号WOS:000347446100004
WOS关键词COASTAL AQUIFER ; RIVER WATER ; GEOCHEMISTRY ; CHEMISTRY ; EVOLUTION ; RECHARGE
WOS类目Environmental Sciences ; Geosciences, Multidisciplinary ; Water Resources
WOS研究方向Environmental Sciences & Ecology ; Geology ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/186958
作者单位1.Univ La Serena, Dept Ingn Minas, La Serena, Chile;
2.Ctr Estudios Avanzados Zonas Aridas, La Serena, Chile;
3.Univ La Serena, La Serena, Chile;
4.Comis Chilena Energia Nucl, Santiago, Chile;
5.IAEA, Isotope Hydrol Sect, A-1400 Vienna, Austria;
6.Pontificia Univ Catolica Chile, Dept Ingn Hidraul & Ambiental, Santiago, Chile;
7.Univ Waterloo, Dept Earth & Environm Sci, Waterloo, ON N2L 3G1, Canada
推荐引用方式
GB/T 7714
Oyarzun, Ricardo,Jofre, Elizabeth,Morales, Paulina,et al. A hydrogeochemistry and isotopic approach for the assessment of surface water-groundwater dynamics in an arid basin: the Limari watershed, North-Central Chile[J],2015,73(1):39-55.
APA Oyarzun, Ricardo.,Jofre, Elizabeth.,Morales, Paulina.,Maturana, Hugo.,Oyarzun, Jorge.,...&Aravena, Ramon.(2015).A hydrogeochemistry and isotopic approach for the assessment of surface water-groundwater dynamics in an arid basin: the Limari watershed, North-Central Chile.ENVIRONMENTAL EARTH SCIENCES,73(1),39-55.
MLA Oyarzun, Ricardo,et al."A hydrogeochemistry and isotopic approach for the assessment of surface water-groundwater dynamics in an arid basin: the Limari watershed, North-Central Chile".ENVIRONMENTAL EARTH SCIENCES 73.1(2015):39-55.
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