There is considerable debate about the sustainability of the hydraulic fracturing (HF) water
cycle in North America. Recently, this debate has expanded to China, where HF activities …

The potential contamination of shallow groundwater with inorganic constituents is a major
environmental concern associated with shale gas extraction through hydraulic fracturing …

The worldwide expansion of shale gas production and increased use of hydraulic fracturing
have raised public concerns about safety and risks of groundwater resources in shale gas …

Potential environmental impacts on shallow groundwater from shale gas development
facilitated by horizontal drilling and hydraulic fracturing is a widely debated “hot topic”. In …

Carbonate weathering by CO 2 is considered to play an important role in the global carbon
cycle. In acid rain-affected areas, the carbon cycle can be impacted by acid rain weathering …

Due to high salinity and complex components including varied inorganic salts, organic
agents, released heavy metals, radioactive elements and clastic particles, environmental …

The baseline quality of pre-drilling shallow groundwater is essential for the evaluation of
potential environmental impacts of shale gas development. The **shui region in the northern …

Environmental issues caused by hydraulic fracturing and wastewater reinjection during
shale gas development have been paid more attention to. Because there are a wide variety …

Abstract In 2013 to 2015, 833 public supply wells in 15 Principal aquifers in the US were
sampled to identify which aquifers contained high methane concentrations (> 1 mg/L) and …

Thirty water wells were sampled in 2018 to understand the geochemistry and age of
groundwater in the Williston Basin and assess potential effects of shale-oil production from …