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首页> 外文期刊>Renewable energy >Groundwater quality and geothermal energy. The case of Cerro Prieto Geothermal Field, Mexico
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Groundwater quality and geothermal energy. The case of Cerro Prieto Geothermal Field, Mexico

机译：地下水质量和地热能。墨西哥Cerro Prieto地热田案例

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摘要

The influence of the Cerro Prieto Geothermal Field (CPGF) on groundwater quality of the close-by agricultural area was evaluated by means of chemical and isotopic determinations. According to irrigation standards, concentrations of As, Cd, Pb, Crtot, Cr(VI), Cu, Cd, Hg, B in agricultural wells showed the suitability of the water for irrigation. Iron was below irrigation limits in all but one well. However, chloride levels were above those limits in 83 out of 87 collected samples. Isotopic determinations of δ~2H, δ~(18)O, δ~(34)S, δ~(13)C, and spatial concentration trends of elements related with geothermal brines and toxic metals and metalloids did not indicate an influence of the CPGF to groundwater in the nearby agricultural area. Isotopic values of δ~2H, δ~(18)O showed the occurrence of evaporation processes and infiltration of canal's irrigation water to geothermal water reservoirs and to groundwater in the agricultural zone. High chloride concentrations might be associated with these processes.
机译：通过化学和同位素测定，评估了Cerro Prieto地热田（CPGF）对附近农业区地下水质量的影响。根据灌溉标准，农业井中的砷，镉，铅，铅，六价铬，六价铬，铜，镉，汞，硼的浓度表明该水适合灌溉。除了一口井外，铁都低于灌溉极限。但是，在87个收集的样本中，有83个样本的氯化物含量高于这些限值。同位素测定δ〜2H，δ〜（18）O，δ〜（34）S，δ〜（13）C以及与地热盐水，有毒金属和准金属有关的元素的空间浓度趋势均未表明该影响CPGF到附近农业地区的地下水中。 δ〜2H，δ〜（18）O的同位素值表明了蒸发过程的发生以及运河灌溉水向地热水库和农业区地下水的渗透。高氯化物浓度可能与这些过程有关。

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  • 来源
    《Renewable energy》 |2014年第3期|236-254|共19页
  • 作者

    Maria Aurora Armienta; R. Rodriguez; N. Ceniceros; O. Cruz; A. Aguayo; P. Morales; E. Cienfuegos;

  • 作者单位

    Universidad National Autonoma de Mexico, Institute de Geofisica, Circuito Exterior, C.U., Mexico D.F. 04510, Mexico;

    Universidad National Autonoma de Mexico, Institute de Geofisica, Circuito Exterior, C.U., Mexico D.F. 04510, Mexico;

    Universidad National Autonoma de Mexico, Institute de Geofisica, Circuito Exterior, C.U., Mexico D.F. 04510, Mexico;

    Universidad National Autonoma de Mexico, Institute de Geofisica, Circuito Exterior, C.U., Mexico D.F. 04510, Mexico;

    Universidad National Autonoma de Mexico, Institute de Geofisica, Circuito Exterior, C.U., Mexico D.F. 04510, Mexico;

    Universidad National Autonoma de Mexico, Instituto de Geoloeia, Circuito Exterior, CIS., Mexico D.F. 04510, Mexico;

    Universidad National Autonoma de Mexico, Instituto de Geoloeia, Circuito Exterior, CIS., Mexico D.F. 04510, Mexico;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Water quality; Arsenic; Heavy metals; Isotopes; Agriculture; Geothermal water;

    机译：水质;砷;重金属;同位素;农业;地热水;

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