Department of Geology and Geography, West Virginia University, Morgantown, WV 26506, USA.
Department of Geology and Geography, West Virginia University, Morgantown, WV 26506, USA.
Environ Pollut. 2014 Dec;195:91-100. doi: 10.1016/j.envpol.2014.08.016. Epub 2014 Sep 6.
Water samples were collected from 50 streams in an area of accelerating shale gas development in the eastern U.S.A. The geochemical/isotopic characteristics show no correlation with the five categories of Marcellus Shale production. The sub-watersheds with the greatest density of Marcellus Shale development have also undergone extensive coal mining. Hence, geochemical/isotopic compositions were used to understand sources of salinity and effects of coal mining and shale gas development in the area. The data indicates that while some streams appear to be impacted by mine drainage; none appear to have received sustained contribution from deep brines or produced waters associated with shale gas production. However, it is important to note that our interpretations are based on one time synoptic base flow sampling of a few sampling stations and hence do account potential intermittent changes in chemistry that may result from major/minor spills or specific mine discharges on the surface water chemistry.
从美国东部一个页岩气开发加速地区的 50 条溪流中采集了水样。地球化学/同位素特征与马塞勒斯页岩的五类生产没有相关性。马塞勒斯页岩开发密度最大的次流域也经历了大规模的采煤。因此，地球化学/同位素组成被用来了解该地区盐分的来源以及采煤和页岩气开发的影响。数据表明，虽然一些溪流似乎受到了矿井排水的影响，但没有一条溪流似乎持续受到深部卤水或与页岩气生产有关的产出水的影响。然而，需要注意的是，我们的解释是基于对少数采样站的一次同步基流采样，因此无法说明可能由于地表水化学中的重大/次要溢油或特定矿井排放而导致的潜在间歇性化学变化。
