Arid
DOI10.3390/ijerph15050887
Groundwater Flow Processes and Human Impact along the Arid US-Mexican Border, Evidenced by Environmental Tracers: The Case of Tecate, Baja California
Mahlknecht, Juergen1; Walter Daessle, Luis2; Vicenta Esteller, Maria3; Antonio Torres-Martinez, Juan1; Mora, Abrahan1
通讯作者Mahlknecht, Juergen
来源期刊INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
ISSN1660-4601
出版年2018
卷号15期号:5
英文摘要

With the increasing population, urbanization and industry in the arid area of Tecate, there is a concomitant increase in contaminants being introduced into the Tecate River and its aquifer. This contamination is damaging the usable groundwater supply and making local residents and commercial enterprises increasingly dependent on imported water from the Colorado River basin. In this study we apply a suite of chemical and isotopic tracers in order to evaluate groundwater flow and assess contamination trends. Groundwater recharge occurs through mountain-block and mountain-front recharge at higher elevations of the ranges. Groundwater from the unconfined, alluvial aquifer indicates recent recharge and little evolution. The increase in salinity along the flow path is due to interaction with weathering rock-forming silicate minerals and anthropogenic sources such as urban wastewater, residual solids and agricultural runoff from fertilizers, livestock manure and/or septic tanks and latrines. A spatial analysis shows local differences and the impact of the infiltration of imported waters from the Colorado River basin. The general trend of impaired water quality has scarcely been documented in the last decades, but it is expected to continue. Since the groundwater system is highly vulnerable, it is necessary to protect groundwater sources.


英文关键词groundwater geochemistry environmental isotopes groundwater contamination arid climate Tecate Baja California Mexico
类型Article
语种英语
国家Mexico
收录类别SCI-E ; SSCI
WOS记录号WOS:000435197300055
WOS关键词STABLE-ISOTOPE COMPOSITION ; COLORADO RIVER ; DISSOLVED CARBON ; AQUIFER ; FRACTIONATION ; DIOXIDE
WOS类目Environmental Sciences ; Public, Environmental & Occupational Health
WOS研究方向Environmental Sciences & Ecology ; Public, Environmental & Occupational Health
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/210197
作者单位1.Tecnol Monterrey, Escuela Ingn & Ciencias, Ave Eugenio Garza Sada Sur 2501, Monterrey 64849, Nuevo Leon, Mexico;
2.Univ Autonoma Baja California, Inst Invest Oceanol, Carretera Transpeninsular Tijuana Ensenada 3917, Ensenada 22860, Baja California, Mexico;
3.Univ Autonoma Estado Mexico, CIRA, Fac Ingn, Ciudad Univ, Toluca 50110, Estado De Mexic, Mexico
推荐引用方式
GB/T 7714
Mahlknecht, Juergen,Walter Daessle, Luis,Vicenta Esteller, Maria,et al. Groundwater Flow Processes and Human Impact along the Arid US-Mexican Border, Evidenced by Environmental Tracers: The Case of Tecate, Baja California[J],2018,15(5).
APA Mahlknecht, Juergen,Walter Daessle, Luis,Vicenta Esteller, Maria,Antonio Torres-Martinez, Juan,&Mora, Abrahan.(2018).Groundwater Flow Processes and Human Impact along the Arid US-Mexican Border, Evidenced by Environmental Tracers: The Case of Tecate, Baja California.INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH,15(5).
MLA Mahlknecht, Juergen,et al."Groundwater Flow Processes and Human Impact along the Arid US-Mexican Border, Evidenced by Environmental Tracers: The Case of Tecate, Baja California".INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 15.5(2018).
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