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      Plio‐Pleistocene Hemispheric (A)Symmetries in the Northern and Southern Hemisphere Midlatitudes

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          Calibration of the alkenone paleotemperature index U37K′ based on core-tops from the eastern South Atlantic and the global ocean (60°N-60°S)

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            Molecular stratigraphy: a new tool for climatic assessment

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              Plio-Pleistocene African climate.

              Marine records of African climate variability document a shift toward more arid conditions after 2.8 million years ago (Ma), evidently resulting from remote forcing by cold North Atlantic sea-surface temperatures associated with the onset of Northern Hemisphere glacial cycles. African climate before 2.8 Ma was regulated by low-latitude insolation forcing of monsoonal climate due to Earth orbital precession. Major steps in the evolution of African hominids and other vertebrates are coincident with shifts to more arid, open conditions near 2.8 Ma, 1.7 Ma, and 1.0 Ma, suggesting that some Pliocene (Plio)-Pleistocene speciation events may have been climatically mediated.
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                Author and article information

                Journal
                Paleoceanography and Paleoclimatology
                Paleoceanography and Paleoclimatology
                American Geophysical Union (AGU)
                2572-4517
                2572-4525
                March 2020
                March 2020
                : 35
                : 3
                Affiliations
                [1 ]Environmental Studies ProgramLuther College Decorah IA USA
                [2 ]Geology and Environmental Geosciences DepartmentLafayette College Easton PA USA
                [3 ]Department of Earth, Environmental and Planetary SciencesBrown University Providence RI USA
                [4 ]Department of Atmospheric, Oceanic, and Earth SciencesGeorge Mason University Fairfax VA USA
                Article
                10.1029/2019PA003720
                dbfefeb3-7adc-423b-a4f9-66d61d31b70e
                © 2020

                http://onlinelibrary.wiley.com/termsAndConditions#am

                http://onlinelibrary.wiley.com/termsAndConditions#vor

                http://doi.wiley.com/10.1002/tdm_license_1.1

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