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Ecological consequences of early Late Pleistocene megadroughts in tropical Africa.
Cohen AS, Stone JR, Beuning KR, Park LE, Reinthal PN, Dettman D, Scholz CA, Johnson TC, King JW, Talbot MR, Brown ET, Ivory SJ. Cohen AS, et al. Among authors: johnson tc. Proc Natl Acad Sci U S A. 2007 Oct 16;104(42):16422-7. doi: 10.1073/pnas.0703873104. Epub 2007 Oct 9. Proc Natl Acad Sci U S A. 2007. PMID: 17925446 Free PMC article.
Extremely arid conditions in tropical Africa occurred in several discrete episodes between 135 and 90 ka, as demonstrated by lake core and seismic records from multiple basins [Scholz CA, Johnson TC, Cohen AS, King JW, Peck J, Overpeck JT, Talbot MR, Brown ET, Kalin …
Extremely arid conditions in tropical Africa occurred in several discrete episodes between 135 and 90 ka, as demonstrated by lake core and s …
East African megadroughts between 135 and 75 thousand years ago and bearing on early-modern human origins.
Scholz CA, Johnson TC, Cohen AS, King JW, Peck JA, Overpeck JT, Talbot MR, Brown ET, Kalindekafe L, Amoako PY, Lyons RP, Shanahan TM, Castañeda IS, Heil CW, Forman SL, McHargue LR, Beuning KR, Gomez J, Pierson J. Scholz CA, et al. Among authors: johnson tc. Proc Natl Acad Sci U S A. 2007 Oct 16;104(42):16416-21. doi: 10.1073/pnas.0703874104. Epub 2007 Sep 4. Proc Natl Acad Sci U S A. 2007. PMID: 17785420 Free PMC article.
History and timing of human impact on Lake Victoria, East Africa.
Verschuren D, Johnson TC, Kling HJ, Edgington DN, Leavitt PR, Brown ET, Talbot MR, Hecky RE. Verschuren D, et al. Among authors: johnson tc. Proc Biol Sci. 2002 Feb 7;269(1488):289-94. doi: 10.1098/rspb.2001.1850. Proc Biol Sci. 2002. PMID: 11839198 Free PMC article.
Global climate evolution during the last deglaciation.
Clark PU, Shakun JD, Baker PA, Bartlein PJ, Brewer S, Brook E, Carlson AE, Cheng H, Kaufman DS, Liu Z, Marchitto TM, Mix AC, Morrill C, Otto-Bliesner BL, Pahnke K, Russell JM, Whitlock C, Adkins JF, Blois JL, Clark J, Colman SM, Curry WB, Flower BP, He F, Johnson TC, Lynch-Stieglitz J, Markgraf V, McManus J, Mitrovica JX, Moreno PI, Williams JW. Clark PU, et al. Among authors: johnson tc. Proc Natl Acad Sci U S A. 2012 May 8;109(19):E1134-42. doi: 10.1073/pnas.1116619109. Epub 2012 Feb 13. Proc Natl Acad Sci U S A. 2012. PMID: 22331892 Free PMC article.
234 results