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Characterization of discharges from abandoned mines of the Sydney Coalfield, Nova Scotia.

机译：新斯科舍省悉尼煤田废弃矿山的排放物表征。

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摘要

The inorganic and isotopic chemistry of water being discharged from abandoned coal mines in the Sydney Coalfield, Cape Breton, Nova Scotia has been characterized in detail for the first time. Four diverse aspects were documented: (1) regional variations within the coalfield, (2) temporal variations at a single outfall, (3) lateral variations in minewater flowing downstream, and (4) vertical variations in minewater within an abandoned shaft.;Temporal variations in minewater chemistry were evaluated at the No. 1A outfall. This outfall was re-opened at the beginning of this project on April 22, 1997. Discharge from this outfall was characterized by baseflow recession during which time the water level in the workings was lowered to sea level. The changes in water chemistry which occurred during this period were quantified with geochemical modeling.;Downstream variations in water chemistry were studied over a 300 m reach of channel at the No. 25 site.;Vertical variations in water chemistry were studied at the 1B Shaft. (Abstract shortened by UMI.).
机译：从新斯科舍省布雷顿角的悉尼煤田的废弃煤矿中排出的水的无机和同位素化学特征首次得到了详细描述。记录了四个不同方面：（1）煤田内的区域变化；（2）单个排污口的时间变化；（3）下游流动的矿井水的侧向变化；（4）废弃竖井内矿井水的垂直变化。在1A号排污口评估了矿井水化学变化。该排污口于1997年4月22日在该项目开始时重新开放。该排污口的流量以基流衰退为特征，在此期间，工作水位降低至海平面。用地球化学模型定量了此期间发生的水化学变化。;研究了25号站点300 m航道上游水化学的下游变化;;在1B竖井研究了水化学的垂直变化。 （摘要由UMI缩短。）。

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  • 作者

    LaPierre, Anthony Bernard.;

  • 作者单位

    DalTech - Dalhousie University (Canada).;

  • 授予单位 DalTech - Dalhousie University (Canada).;
  • 学科 Civil engineering.;Environmental science.
  • 学位 M.Arch.
  • 年度 1999
  • 页码 312 p.
  • 总页数 312
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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