Groundwater and gas chemistry and isotope data from coal beds in the Powder River Basin, Wyoming and Montana

The data in these files were generated as part of Dr. Daniel Ritter's PhD research on the "Relationship between recharge, redox conditions, and microbial methane generation in coal beds," (dissertation published in 2015; University of Arizona), funded by the National Science Foundation (EAR-1322805; PI: Jennifer McIntosh; Co-PI: Thomas Maddock III). Results include major ion chemistry, stable isotopes (18O, 2H, 13C, and 34S and d18O of SO4), radiogenic isotopes (Sr, 4He, and associated noble gases), and radioactive isotopes (3H) of groundwater sampled from coal bed monitoring wells and natural gas production wells in the Powder River Basin in Wyoming and Montana. Molecular and isotopic composition of dissolved and produced gases are also included. In addition, data on U and Th content, and 4He release rates from coal solid samples are also reported.

Part of this dataset was published in the following article:
Schweitzer, H., Ritter, D., McIntosh, J., Barnhart, E., Cunningham, A.B., Vinson, D., Orem, W., Fields, M. (2019) Changes in microbial communities and associated water and gas geochemistry across a sulfate gradient in coal beds: Powder River Basin, USA. Geochimica et Cosmochimica Acta, 245, 495-513. doi:10.1016/j.gca.2018.11.009.

本数据集系丹尼尔·里特博士在其关于“煤床中充水、氧化还原条件与微生物甲烷生成之间关系”的博士论文研究过程中生成，该论文于2015年出版（亚利桑那大学），并由美国国家科学基金会资助（项目编号：EAR-1322805；项目负责人：詹妮弗·麦金托什；共同负责人：托马斯·马多克三世）。数据内容涵盖主要离子化学成分、稳定同位素（包括18O、2H、13C、34S及SO4的d18O）、放射成因同位素（Sr、4He及其相关稀有气体）以及地下水中的放射性同位素（3H）。此外，还包括从怀俄明州和蒙大拿州粉河盆地煤床监测井和天然气生产井中采集的地下水及产出气体的分子和同位素组成。同时，亦报道了煤固体样品中的U和Th含量，以及4He的释放速率。部分数据已在以下文献中发表：施韦策尔（H. Schweitzer）、里特（D. Ritter）、麦金托什（J. McIntosh）、巴恩哈特（E. Barnhart）、坎宁安（A.B. Cunningham）、温森（D. Vinson）、奥雷姆（W. Orem）和菲尔德斯（M. Fields）于2019年发表的论文“煤床中微生物群落及其相关水和气体地球化学随硫酸根梯度的变化：美国粉河盆地”，该论文发表于《地球化学与宇宙化学学报》（Geochimica et Cosmochimica Acta），卷245，页495-513。DOI：10.1016/j.gca.2018.11.009。