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Strong Temporal Variability In Methane Fluxes From Natural Gas Well Pad Soils, Seth N. Lyman, Huy N. Q. Tran, Marc L. Mansfield, Ric Bowers, Ann Smith May 2020

Strong Temporal Variability In Methane Fluxes From Natural Gas Well Pad Soils, Seth N. Lyman, Huy N. Q. Tran, Marc L. Mansfield, Ric Bowers, Ann Smith

Bingham Research Center

We measured methane and carbon dioxide fluxes at natural gas well pad soils and undisturbed soils in the Rocky Mountain and Gulf Coast regions of the United States, including producing and gas storage wells. We collected both short-term (15 min) and multi-day (between 3 and 8), continuous measurements at 47 well pads and two undisturbed locations. Methane fluxes varied by more than an order of magnitude over periods as short as 30 min (e.g., 19–593 mg m−2 h−1 in one instance), and diurnal and seasonal variability was also significant (e.g., spring-to-fall change from 509 to 14174 mg m …


Mercury Biogeochemical Cycling: A Synthesis Of Recent Scientific Advances, Mae Sexauer Gustin, Michael S. Bank, Kevin Bishop, Katlin Bowman, Brian Branfireun, John Chételat, Chris S. Eckley, Chad R. Hammerschmidt, Carl Lamborg, Seth Lyman, Antonio Martínez-Cortizas, Jonas Sommar, Martin Tsz-Ki Tsui, Tong Zhang May 2020

Mercury Biogeochemical Cycling: A Synthesis Of Recent Scientific Advances, Mae Sexauer Gustin, Michael S. Bank, Kevin Bishop, Katlin Bowman, Brian Branfireun, John Chételat, Chris S. Eckley, Chad R. Hammerschmidt, Carl Lamborg, Seth Lyman, Antonio Martínez-Cortizas, Jonas Sommar, Martin Tsz-Ki Tsui, Tong Zhang

Bingham Research Center

The focus of this paper is to briefly discuss the major advances in scientific thinking regarding: a) processes governing the fate and transport of mercury in the environment; b) advances in measurement methods; and c) how these advances in knowledge fit in within the context of the Minamata Convention on Mercury. Details regarding the information summarized here can be found in the papers associated with this Virtual Special Issue of STOTEN.