Arid
DOI10.1080/02626667.2018.1545095
Groundwater recharge assessment in a rural, arid, mid-mountain basin in North-Central Chile
Sandoval, Eric1; Baldo, Giacomo1; Nunez, Jorge2,3; Oyarzun, Jorge2; Fairley, Jerry P.; Ajami, Hoori4; Luis Arumi, Jose5,6; Aguirre, Evelyn7,8; Maturana, Hugo2,9; Oyarzun, Ricardo2,7,10
通讯作者Oyarzun, Ricardo
来源期刊HYDROLOGICAL SCIENCES JOURNAL-JOURNAL DES SCIENCES HYDROLOGIQUES
ISSN0262-6667
EISSN2150-3435
出版年2018
卷号63期号:13-14页码:1873-1889
英文摘要

A basic component of any hydrogeological study is the magnitude and temporal variation of groundwater recharge. This can be difficult to assess accurately, particularly in arid and semi-arid rainfed mid-mountain zones, as is the situation in the rural, low population density zones of North-Central Chile. In this study, recharge in the Punitaqui Basin, North-Central Chile, was characterized, contrasting the results of two methods: a modified Thornthwaite-Mather (MTM) and discharge recession analysis (DRA). We found a recharge rate of between 1 and 4% of average annual precipitation. Average recharge estimated by the MTM method is consistently higher than that estimated by DRA. Also, DRA tends to smooth the recharge values, resulting in a lower inter-annual variation coefficient. Both methods identified a threshold value of total annual precipitation, above which recharge can be expected to occur, of the order of 180 mm year(-1), consistent with values reported in similar areas.


英文关键词mountain block recharge Punitaqui Basin Chile dryland water balance recession analysis
类型Article
语种英语
国家Chile ; USA
收录类别SCI-E
WOS记录号WOS:000453717400001
WOS关键词SURFACE-WATER ; VARIABILITY ; RIVER ; BUDGET ; FLOW
WOS类目Water Resources
WOS研究方向Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/209920
作者单位1.Univ La Serena, Civil & Environm Engn, La Serena, Chile;
2.Univ La Serena, Min Engn Dept, La Serena, Chile;
3.Water Ctr Arid & Semiarid Zones Latin Amer & Cari, CAZALAC, La Serena, Chile;
4.Univ Idaho, Geol Sci Dept, Moscow, ID 83843 USA;
5.Univ Calif Riverside, Environm Sci Dept, Riverside, CA 92521 USA;
6.Univ Concepcion, Water Resources Dept, Concepcion, Chile;
7.CRHIAM Ctr Recursos Hidr Agr & Mineria, Concepcion, Chile;
8.CCHEN Comis Chilena Energia Nucl, Lab Isotopos Ambientales, Santiago, Chile;
9.Univ Catolica Norte, Escuela Ingn Prevenc Riesgos & Medio Ambiente, Coquimbo, Chile;
10.CEAZA, La Serena, Coquimbo, Chile
推荐引用方式
GB/T 7714
Sandoval, Eric,Baldo, Giacomo,Nunez, Jorge,et al. Groundwater recharge assessment in a rural, arid, mid-mountain basin in North-Central Chile[J],2018,63(13-14):1873-1889.
APA Sandoval, Eric.,Baldo, Giacomo.,Nunez, Jorge.,Oyarzun, Jorge.,Fairley, Jerry P..,...&Oyarzun, Ricardo.(2018).Groundwater recharge assessment in a rural, arid, mid-mountain basin in North-Central Chile.HYDROLOGICAL SCIENCES JOURNAL-JOURNAL DES SCIENCES HYDROLOGIQUES,63(13-14),1873-1889.
MLA Sandoval, Eric,et al."Groundwater recharge assessment in a rural, arid, mid-mountain basin in North-Central Chile".HYDROLOGICAL SCIENCES JOURNAL-JOURNAL DES SCIENCES HYDROLOGIQUES 63.13-14(2018):1873-1889.
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