Drought, agricultural adaptation, and sociopolitical collapse in the Maya Lowlands PMJ Douglas, M Pagani, MA Canuto, M Brenner, DA Hodell, TI Eglinton, ... Proceedings of the National Academy of Sciences 112 (18), 5607-5612, 2015 | 210 | 2015 |
Distinguishing and understanding thermogenic and biogenic sources of methane using multiply substituted isotopologues DA Stolper, AM Martini, M Clog, PM Douglas, SS Shusta, DL Valentine, ... Geochimica et Cosmochimica Acta 161, 219-247, 2015 | 188 | 2015 |
Pronounced zonal heterogeneity in Eocene southern high-latitude sea surface temperatures PMJ Douglas, HP Affek, LC Ivany, AJP Houben, WP Sijp, A Sluijs, ... Proceedings of the National Academy of Sciences 111 (18), 6582-6587, 2014 | 154 | 2014 |
Warm, not super-hot, temperatures in the early Eocene subtropics CR Keating-Bitonti, LC Ivany, HP Affek, P Douglas, SD Samson Geology 39 (8), 771, 2011 | 124 | 2011 |
Methane clumped isotopes: Progress and potential for a new isotopic tracer PMJ Douglas, DA Stolper, JM Eiler, AL Sessions, M Lawson, Y Shuai, ... Organic Geochemistry 113, 262-282, 2017 | 122 | 2017 |
Aridity and Vegetation Composition are Important Determinants of Leaf-wax δD Values in Southeastern Mexico and Central America P Douglas, M Pagani, M Brenner, D Hodell, J Curtis Geochimica et Cosmochimica Acta, 2012 | 122 | 2012 |
Impacts of climate change on the collapse of lowland Maya civilization PMJ Douglas, AA Demarest, M Brenner, MA Canuto Annual Review of Earth and Planetary Sciences 44 (1), 613-645, 2016 | 116 | 2016 |
The role of ocean gateways on cooling climate on long time scales WP Sijp, AS von der Heydt, HA Dijkstra, S Flögel, PMJ Douglas, PK Bijl Global and Planetary Change 119, 1-22, 2014 | 102 | 2014 |
Diverse origins of Arctic and Subarctic methane point source emissions identified with multiply-substituted isotopologues PMJ Douglas, DA Stolper, DA Smith, KMW Anthony, CK Paull, ... Geochimica et Cosmochimica Acta 188, 163-188, 2016 | 70 | 2016 |
Pre-aged plant waxes in tropical lake sediments and their influence on the chronology of molecular paleoclimate proxy records PMJ Douglas, M Pagani, TI Eglinton, M Brenner, DA Hodell, JH Curtis, ... Geochimica et Cosmochimica Acta 141, 346-364, 2014 | 70 | 2014 |
The utility of methane clumped isotopes to constrain the origins of methane in natural gas accumulations DA Stolper, M Lawson, MJ Formolo, CL Davis, PMJ Douglas, JM Eiler Geological Society, London, Special Publications 468 (1), 23-52, 2018 | 59 | 2018 |
Methods and future directions for paleoclimatology in the Maya Lowlands PMJ Douglas, M Brenner, JH Curtis Global and Planetary Change 138, 3-24, 2016 | 49 | 2016 |
A long-term decrease in the persistence of soil carbon caused by ancient Maya land use PMJ Douglas, M Pagani, TI Eglinton, M Brenner, JH Curtis, ... Nature Geoscience 11 (9), 645-649, 2018 | 48 | 2018 |
Methane clumped isotopes in the Songliao Basin (China): New insights into abiotic vs. biotic hydrocarbon formation Y Shuai, G Etiope, S Zhang, PMJ Douglas, L Huang, JM Eiler Earth and Planetary Science Letters 482, 213-221, 2018 | 46 | 2018 |
Equilibrium and non-equilibrium controls on the abundances of clumped isotopologues of methane during thermogenic formation in laboratory experiments: Implications for the … Y Shuai, PMJ Douglas, S Zhang, DA Stolper, GS Ellis, M Lawson, ... Geochimica et Cosmochimica Acta 223, 159-174, 2018 | 39 | 2018 |
Seasonal patterns in greenhouse gas emissions from lakes and ponds in a High Arctic polygonal landscape V Prėskienis, I Laurion, F Bouchard, PMJ Douglas, MF Billett, D Fortier, ... Limnology and Oceanography 66, S117-S141, 2021 | 35 | 2021 |
Clumped isotopes link older carbon substrates with slower rates of methanogenesis in northern lakes PMJ Douglas, R Gonzalez Moguel, KM Walter Anthony, M Wik, PM Crill, ... Geophysical Research Letters 47 (6), e2019GL086756, 2020 | 29 | 2020 |
CH4 isotopic ordering records ultra-slow hydrocarbon biodegradation in the deep subsurface JJ Jautzy, PMJ Douglas, H Xie, JM Eiler, ID Clark Earth and Planetary Science Letters 562, 116841, 2021 | 18 | 2021 |
Molecular evidence for human population change associated with climate events in the Maya lowlands B Keenan, A Imfeld, K Johnston, A Breckenridge, Y Gélinas, PMJ Douglas Quaternary Science Reviews 258, 106904, 2021 | 17 | 2021 |
Spatial differentiation of sediment organic matter isotopic composition and inferred sources in a temperate forest lake catchment PMJ Douglas, E Stratigopoulos, S Park, B Keenan Chemical Geology 603, 120887, 2022 | 14 | 2022 |