Levin NE, Zipser EJ, and Cerling TE, 2009, Isotopic composition of waters from Ethiopia and Kenya: Insights into moisture sources for eastern Africa. J. Geophys. Res. D23306; doi: 10.1029/2009JD012166. Levin NE, Simpson SW, Quade J, Cerling TE, and Frost, SR, 2008, Herbivore enamel carbon isotopic composition and the environmental context of Ardipithecus at Gona, Ethiopia, in Quade J, and Wynn JG, eds., The Geology of Early Humans in the Horn of Africa: Geological Society of America Special Paper 446, p. 215–234, doi: 10.1130/2008.2446(10). PDF DATA Quade J, Levin NE, Simpson SW, Butler R, McIntosh WC, Semaw S, Kleinsasser L, Dupont-Nivet G, Renne P, Dunbar N, 2008, The Geology of Gona, Ethiopia, in Quade J, and Wynn JG, eds., The Geology of Early Humans in the Horn of Africa: Geological Society of America Special Paper 446, p. 1-31, doi: 10.1130/2008.2446(01). PDF Kleinsasser LL, Quade J, McIntosh WC, Levin NE, Simpson SW, , Semaw S. Stratigraphy and geochronology of the late Miocene Adu-Asa Formation at Gona, Ethiopia, in Quade J, and Wynn JG, eds., The Geology of Early Humans in the Horn of Africa: Geological Society of America Special Paper 446, p. 33-65, doi: 10.1130/2008.2446(02). PDF Simpson SW, Quade J, Levin NE, Butler R, Dupont-Nivet G, Everett M, Semaw S. 2008. A Female Homo erectus Pelvis from Gona, Ethiopia. Science 322: 1089-1092. PDF Supplemental Material Cerling TE, Harris JM, Hart JA, Kaleme P, Klingel H, Leakey MG, Levin NE, Lewison RI, Passey BH. 2008. Stable Isotope Ecology of Hippopotamus amphibius in East Africa. Journal of Zoology, 276: 204-212, doi:10.1111/j.1469-7998.2008.00450.x. PDF Passey BH, Cerling TE, Levin NE. 2007. Temperature dependence of oxygen isotope acid fractionation in modern and fossil tooth enamels. Rapid Communications in Mass Spectrometry, 21: 2853-2859. PDF Levin NE, Cerling TE, Passey BH, Harris JM, Ehleringer JR. 2006. A stable isotope aridity index for terrestrial environments. Proceedings of the National Academy of Sciences, USA 103: 11201-11205. PDF DATA Stout D, Quade J, Semaw S, Rogers MJ, Levin NE. 2005. Raw Material selectivity of the earliest stone toolmakers at Gona, Afar, Ethiopia. Journal of Human Evolution 48: 365-380. PDF Semaw S, Simpson SW, Quade J, Renne PR, Butler RF, McIntosh WC, Levin N, Dominguez-Rodrigo M, Rogers MJ. 2005. Early Pliocene hominids from Gona, Ethiopia. Nature 433: 301-305. PDF Levin NE, Quade J, Simpson SW, Semaw S, Rogers MJ. 2004. Isotopic evidence for Plio-Pleistocene environmental change at Gona, Ethiopia. Earth and Planetary Science Letters 219: 93-110. PDF DATA Quade J, Levin N, Semaw S, Stout D, Renne PR, Rogers MJ, Simpson SW. 2004. Paleoenvironments of the earliest stone toolmakers, Gona, Ethiopia. Geological Society of America Bulletin 116 (11-12): 1529-1544. PDF PRESENTED ABSTRACTS Levin NE, Manthi FM, Kaleme PK, Cerling TE. 2008. Tiny Teeth and the Big Picture: Carbon and Oxygen Isotope Ratios of Micromammal Teeth from Eastern Africa. 6th International Conference on Applications of Stable Isotope Techniques to Ecological Studies. Levin NE and Cerling TE. 2007. Getting to the Source of the High Isotopic Values of Ethiopian Precipitation. Eos Trans. AUG, 88(52), Fall Meet. Suppl., B13B-1204. Levin NE, Cerling TE, Brown FH, Quade J. 2005. The Shungura Formation Soil Carbonate Record: Evidence for an Ecosystem Buffered from Regional Environmental Change. NSF Paleoclimate and Human Evolution Workshop. Levin NE, Cerling TE, Brown FH. 2005. A paleosol carbonate isotope record from the Shungura Formation, Ethiopia. Geol. Soc. Amer. Abstracts with Programs 37(7): 363. Levin N, Quade J, Simpson S, Semaw S. 2004. Early Pliocene Environments at Gona, Ethiopia. Geol. Soc. Amer. Abstracts with Programs 36(5): 486. Levin NE, Quade J, Semaw S, Simpson SW, Schick K, Toth N. 2001. Plio-Pleistocene environments of Gona Ethiopia: the isotopic record of pedogenic carbonate and fossil teeth. Geol. Soc. Amer. Abstracts with Programs 33 (6): 387. |