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Progressive aridification in East Africa over the last half million years and implications for human evolution 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2018, 115 (44) : 11174-11179
作者:  Owen, R. Bernhart;  Muiruri, Veronica M.;  Lowenstein, Tim K.;  Renaut, Robin W.;  Rabideaux, Nathan;  Luo, Shangde;  Deino, Alan L.;  Sier, Mark J.;  Dupont-Nivet, Guillaume;  McNulty, Emma P.;  Leet, Kennie;  Cohen, Andrew;  Campisano, Christopher;  Deocampo, Daniel;  Shen, Chuan-Chou;  Billingsley, Anne;  Mbuthia, Anthony
收藏  |  浏览/下载：11/0  |  提交时间：2019/11/27
Quaternary  paleoclimate  paleolimnology  hominins  Lake Magadi  
Methane in groundwater before, during, and after hydraulic fracturing of the Marcellus Shale 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2018, 115 (27) : 6970-6975
作者:  Barth-Naftilan, E.;  Sohng, J.;  Saiers, J. E.
收藏  |  浏览/下载：0/0  |  提交时间：2019/11/27
methane  groundwater  hydraulic fracturing  shale gas  water quality  
Long-term urban carbon dioxide observations reveal spatial and temporal dynamics related to urban characteristics and growth 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2018, 115 (12) : 2912-2917
作者:  Mitchell, Logan E.;  Lin, John C.;  Bowling, David R.;  Pataki, Diane E.;  Strong, Courtenay;  Schauer, Andrew J.;  Bares, Ryan;  Bush, Susan E.;  Stephens, Britton B.;  Mendoza, Daniel;  Mallia, Derek;  Holland, Lacey;  Gurney, Kevin R.;  Ehleringer, James R.
收藏  |  浏览/下载：13/0  |  提交时间：2019/11/27
urban  greenhouse gas  carbon dioxide  emissions  trends  
SIMS analyses of the oldest known assemblage of microfossils document their taxon-correlated carbon isotope compositions 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2018, 115 (1) : 53-58
作者:  Schopf, J. William;  Kitajima, Kouki;  Spicuzza, Michael J.;  Kudryavtsev, Anatoliy B.;  Valley, John W.
收藏  |  浏览/下载：7/0  |  提交时间：2019/11/27
Apex chert  Archaea  Archean  methanogen  methanotrophs