Prokaryotes have been cultured from a modern weathering profile developed on a∼ 365-
million-year-old black shale that use macromolecular shale organic matter as their sole …

Rapidly increasing populations, and associated intensification of agriculture, urbanization
and industrialization, place increased demands on water resources and increased …

Organic matter is believed to trigger the formation of high As groundwater, which has been
widely found in China. Sixty-three groundwater samples, seven multilevel-well groundwater …

Understanding microbial carbon sources is fundamental to elucidating the role of microbial
communities in carbon cycling and in the biodegradation of organic contaminants. Because …

Rationale The stable isotopes of dissolved organic carbon (DOC) and inorganic carbon
(DIC) provide insights into the carbon cycle, biogeochemical processes, and the fate of …

Techniques for monitored natural attenuation usually produce large complex datasets that
are difficult to interpret. Here, human health risk assessments and multivariate statistical …

Electromagnetic (EM-31), dc resistivity, and ground penetrating radar (GPR) methods were
used to investigate part of a former refinery site in Kalamazoo, Michigan, USA. The study …

Natural and anthropogenic impacts on karst ground water, Zunyi, Southwest China, are
discussed using the stable isotope composition of dissolved inorganic carbon and …

Variations in the concentrations and isotopic compositions (δ13CDIC) of dissolved inorganic
carbon (DIC) reflect contamination and biogeochemical cycling of the carbon in ground …

Ethanol use as a gasoline additive is increasing, as are the chances of groundwater
contamination caused by gasoline releases involving ethanol. To evaluate the impact of …