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Asteroid impact, not volcanism, caused the end-Cretaceous dinosaur extinction 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (29) : 17084-17093
作者:  Chiarenza, Alfio Alessandro;  Farnsworth, Alexander;  Mannion, Philip D.;  Lunt, Daniel J.;  Valdes, Paul J.;  Morgan, Joanna, V;  Allison, Peter A.
收藏  |  浏览/下载：17/0  |  提交时间：2020/07/06
Dinosauria  extinction  end-Cretaceous  Chicxulub  Deccan  
Estimating US fossil fuel CO2 emissions from measurements of C-14 in atmospheric CO2 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (24) : 13300-13307
作者:  Basu, Sourish;  Lehman, Scott J.;  Miller, John B.;  Andrews, Arlyn E.;  Sweeney, Colm;  Gurney, Kevin R.;  Xu, Xiaomei;  Southon, John;  Tans, Pieter P.
收藏  |  浏览/下载：14/0  |  提交时间：2020/06/09
fossil fuel CO2  radiocarbon  atmospheric inverse modeling  
Subpolar marginal seas fuel the North Pacific through the intermediate water at the termination of the ocean circulation 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (23) : 12665-12673
作者:  Nishioka, Jun;  Obata, Hajime;  Ogawa, Hiroshi;  Ono, Kazuya;  Yamashita, Youhei;  Lee, Keunjong;  Takeda, Shigenobu;  Yasuda, Ichiro
收藏  |  浏览/下载：11/0  |  提交时间：2020/06/01
dissolved iron  macronutrients  North Pacific Ocean  island chains mixing  GEOTRACES  
Large and projected strengthening moisture limitation on end-of-season photosynthesis 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (17) : 9216-9222
作者:  Zhang, Yao;  Parazoo, Nicholas C.;  Williams, A. Park;  Zhou, Sha;  Gentine, Pierre
收藏  |  浏览/下载：12/0  |  提交时间：2020/05/13
end of photosynthesis  solar induced fluorescence (SIF)  gross primary production (GPP)  climate change  water stress  
Triple oxygen isotope insight into terrestrial pyrite oxidation 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (14) : 7650-7657
作者:  Hemingway, Jordon D.;  Olson, Haley;  Turchyn, Alexandra V.;  Tipper, Edward T.;  Bickle, Mike J.;  Johnston, David T.
收藏  |  浏览/下载：14/0  |  提交时间：2020/05/13
atmospheric O-2  chemical weathering  Delta '  O-17  Himalayas  sulfur cycle  
Asian inland wildfires driven by glacial-interglacial climate change 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (10) : 5184-5189
作者:  Han, Yongming;  An, Zhisheng;  Marlon, Jennifer R.;  Bradley, Raymond S.;  Zhan, Changlin;  Arimoto, Richard;  Sun, Youbin;  Zhou, Weijian;  Wu, Feng;  Wang, Qiyuan;  Burr, George S.;  Cao, Junji
收藏  |  浏览/下载：9/0  |  提交时间：2020/05/13
biomass burning  Quaternary climate  carbon cycle  high-intensity fires  soluble iron  
Microbial feedbacks optimize ocean iron availability 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (9) : 4842-4849
作者:  Lauderdale, Jonathan Maitland;  Braakman, Rogier;  Forget, Gael;  Dutkiewicz, Stephanie;  Follows, Michael J.
收藏  |  浏览/下载：8/0  |  提交时间：2020/05/13
dissolved iron  organic ligands  ocean productivity  macronutrients  colimitation  
Isotopic evidence for quasi-equilibrium chemistry in thermally mature natural gases 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (8) : 3989-3995
作者:  Thiagarajan, Nivedita;  Xie, Hao;  Ponton, Camilo;  Kitchen, Nami;  Peterson, Brian;  Lawson, Michael;  Formolo, Michael;  Xiao, Yitian;  Eiler, John
收藏  |  浏览/下载：7/0  |  提交时间：2020/05/13
stable isotopes  compound-specific isotope analysis  clumped isotopes  natural gas  methane  
Middle Holocene expansion of Pacific Deep Water into the Southern Ocean 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (2) : 889-894
作者:  Struve, Torben;  Wilson, David J.;  van de Flierdt, Tina;  Pratt, Naomi;  Crocket, Kirsty C.
收藏  |  浏览/下载：6/0  |  提交时间：2020/05/13
Southern Ocean  cold-water corals  neodymium isotopes  Holocene  water mass mixing  
A carbonate-rich lake solution to the phosphate problem of the origin of life 期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2020, 117 (2) : 883-888
作者:  Toner, Jonathan D.;  Catling, David C.
收藏  |  浏览/下载：9/0  |  提交时间：2020/05/13
phosphate  origin of life  early Earth  carbonate-rich lakes