TY - JOUR A1 - Douglas, P. M. J. A1 - Stratigopoulos, E. A1 - Park, J. A1 - Phan, D. T1 - Global geographic variability in freshwater methane hydrogen isotope ratios and its implications for emissions source apportionment and microbial biogeochemistry JO - Biogeosciences Discuss. J1 - BGD VL - 2020 SP - 1 EP - 35 Y1 - 2020/11/13 PB - Copernicus Publications SN - 1810-6285 UR - https://bg.copernicus.org/preprints/bg-2020-410/ L1 - https://bg.copernicus.org/preprints/bg-2020-410/bg-2020-410.pdf DO - 10.5194/bg-2020-410 ER -