Linking otolith microchemistry and surface water contamination from natural gas mining
作者： David H. Keller , Paula M. Zelanko , Joel E. Gagnon , Richard J. Horwitz , Heather S. Galbraith
DOI: 10.1016/J.ENVPOL.2018.04.026
关键词: Hydrology 、 Hydraulic fracturing 、 Surface water 、 Environmental science 、 Otolith 、 Natural gas 、 Water pollution 、 Trout 、 Pollution 、 Contamination
摘要: Unconventional natural gas drilling and the use of hydraulic fracturing technology have expanded rapidly in North America. This expansion has raised concerns surface water contamination by way spills leaks, which may be sporadic, small, therefore difficult to detect. Here we explore otolith microchemistry as a tool for monitoring from generated waters (GW) unconventional drilling. We exposed Brook Trout laboratory three volumetric concentrations surrogate (SGW) representing GW on day five Transects across cross-sections were analyzed suite elements LA-ICP-MS. 0.01-1.0% concentration SGW 2, 15, 30 days showed significant (p < 0.05) relationship increasing Sr Ba all but one treatment. Analyses indicate lesser than used this experiment could detectable provide support technique habitats. To our knowledge, is first demonstration how trace fish otoliths monitor GW.
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