Search Results - "Quade, Jay"

Woody cover and hominin environments in the past 6 million years by Cerling, Thure E., Wynn, Jonathan G., Andanje, Samuel A., Bird, Michael I., Korir, David Kimutai, Levin, Naomi E., Mace, William, Macharia, Anthony N., Quade, Jay, Remien, Christopher H.

“…The role of African savannahs in the evolution of early hominins has been debated for nearly a century. Resolution of this issue has been hindered by…”
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High and dry in central Tibet during the Late Oligocene by DeCelles, Peter G., Quade, Jay, Kapp, Paul, Fan, Majie, Dettman, David L., Ding, Lin

“…The time at which the Tibetan Plateau rose to its present high elevation remains controversial, with estimates ranging from 40 Ma to more recent than 7 Ma. New…”
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Seasonal temperature changes obtained from carbonate clumped isotopes of annually laminated tufas from Japan: Discrepancy between natural and synthetic calcites by Kato, Hirokazu, Amekawa, Shota, Kano, Akihiro, Mori, Taiki, Kuwahara, Yoshihiro, Quade, Jay

“…Carbonate clumped isotopes provide a novel paleo-thermometer that does not require knowledge of the isotopic compositions of environmental water. Despite…”
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A forager–herder trade-off, from broad-spectrum hunting to sheep management at Aşıklı Höyük, Turkey by Stiner, Mary C., Buitenhuis, Hijlke, Duru, Güneş, Kuhn, Steven L., Mentzer, Susan M., Munro, Natalie D., Pöllath, Nadja, Quade, Jay, Tsartsidou, Georgia, Özbaşaran, Mihriban

“…Aşıklı Höyük is the earliest known preceramic Neolithic mound site in Central Anatolia. The oldest Levels, 4 and 5, spanning 8,200 to approximately 9,000 cal…”
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Ardipithecus ramidus postcrania from the Gona Project area, Afar Regional State, Ethiopia by Simpson, Scott W., Levin, Naomi E., Quade, Jay, Rogers, Michael J., Semaw, Sileshi

“…Functional analyses of the 4.4 Ma hominin Ardipithecus ramidus postcrania revealed a previously unknown and unpredicted locomotor pattern combining arboreal…”
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Rapid and Precise Analysis of Carbon Dioxide Clumped Isotopic Composition by Tunable Infrared Laser Differential Spectroscopy by Wang, Zhennan, Nelson, David D, Dettman, David L, McManus, J. Barry, Quade, Jay, Huntington, Katharine W, Schauer, Andrew J, Sakai, Saburo

“…The high precision measurement of doubly substituted (“clumped”) isotopologues in CO2 is a topic of significant interest in isotope geochemistry. Here we…”
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Significant Impacts of Increasing Aridity on the Arid Soil Microbiome by Neilson, Julia W, Califf, Katy, Cardona, Cesar, Copeland, Audrey, van Treuren, Will, Josephson, Karen L, Knight, Rob, Gilbert, Jack A, Quade, Jay, Caporaso, J Gregory, Maier, Raina M

“…Global deserts occupy one-third of the Earth's surface and contribute significantly to organic carbon storage, a process at risk in dryland ecosystems that are…”
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Oligocene‐Miocene Great Lakes in the India‐Asia Collision Zone by DeCelles, Peter G., Castañeda, Isla S., Carrapa, Barbara, Liu, Juan, Quade, Jay, Leary, Ryan, Zhang, Liyun

“…The Himalayan‐Tibetan Plateau is Earth's highest topographic feature, and formed largely during Cenozoic time as India collided with and subducted beneath…”
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Life at the hyperarid margin: novel bacterial diversity in arid soils of the Atacama Desert, Chile by Neilson, Julia W., Quade, Jay, Ortiz, Marianyoly, Nelson, William M., Legatzki, Antje, Tian, Fei, LaComb, Michelle, Betancourt, Julio L., Wing, Rod A., Soderlund, Carol A., Maier, Raina M.

“…Nearly half the earth’s surface is occupied by dryland ecosystems, regions susceptible to reduced states of biological productivity caused by climate…”
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Bomb-curve radiocarbon measurement of recent biologic tissues and applications to wildlife forensics and stable isotope (paleo)ecology by Uno, Kevin T., Quade, Jay, Fisher, Daniel C., Wittemyer, George, Douglas-Hamilton, Iain, Andanje, Samuel, Omondi, Patrick, Litoroh, Moses, Cerling, Thure E.

“…Above-ground thermonuclear weapons testing from 1952 through 1962 nearly doubled the concentration of radiocarbon (¹⁴C) in the atmosphere. As a result, organic…”
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Small mammal carbon isotope ecology across the Miocene–Pliocene boundary, northwestern Argentina by Hynek, Scott A., Passey, Benjamin H., Prado, José Luis, Brown, Francis H., Cerling, Thure E., Quade, Jay

“…The late Miocene expansion of plants using the C4 photosynthetic pathway in South America has been documented by tooth enamel carbon isotope ratios (δ13Cen)…”
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Temperature and seawater isotopic controls on two stalagmite records since 83 ka from maritime Japan by Mori, Taiki, Kashiwagi, Kenji, Amekawa, Shota, Kato, Hirokazu, Okumura, Tomoyo, Takashima, Chiduru, Wu, Chung-Che, Shen, Chuan-Chou, Quade, Jay, Kano, Akihiro

“…Millennial-scale interstadial Dansgaard-Oeschger (D-O) cycles and Heinrich (H) stadial events are pronounced paleoclimatic features during the last glacial…”
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Stable isotope analysis of middle Miocene mammals from the Siwalik sub-Group of Pakistan by Waseem, Muhammad Tahir, Khan, Abdul Majid, Quade, Jay, Krupa, Anthony, Dettman, David, Rafeh, Amtur, Ahmad, Rana Manzoor

“…Stable isotope analysis is pivotal for investigating the paleodiet and paleoecology of past mammals. In this paper, we…”
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Soils at the hyperarid margin: The isotopic composition of soil carbonate from the Atacama Desert, Northern Chile by Quade, Jay, Rech, Jason A., Latorre, Claudio, Betancourt, Julio L., Gleeson, Erin, Kalin, Mary T.K.

“…We evaluate the impact of exceptionally sparse plant cover (0–20%) and rainfall (2–114 mm/yr) on the stable carbon and oxygen composition of soil carbonate…”
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Stable isotopic results from paleosol carbonate in South Asia: Paleoenvironmental reconstructions and selective alteration by Leier, Andrew, Quade, Jay, DeCelles, P., Kapp, P.

“…We measured δ 18O and δ 13C values of paleosol carbonate nodules from a variety of sedimentary units in southern Asia in order to reconstruct…”
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Bacterial Community Structure in the Hyperarid Core of the Atacama Desert, Chile by Drees, Kevin P, Neilson, Julia W, Betancourt, Julio L, Quade, Jay, Henderson, David A, Pryor, Barry M, Maier, Raina M

“…Soils from the hyperarid Atacama Desert of northern Chile were sampled along an east-west elevational transect (23.75 to 24.70°S) through the driest sector to…”
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Stable isotopic composition of pedogenic carbonates from the eastern margin of the Thar Desert, Rajasthan, India by Achyuthan, Hema, Quade, Jay, Roe, Lois, Placzek, Christa

“…Pedogenic carbonates in a 19 m-thick dune section (16R) at Didwana, and several shorter profiles from the eastern margin of the Thar Desert, Rajasthan, were…”
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Rapid and precise measurement of carbonate clumped isotopes using laser spectroscopy by Yanay, Nitzan, Wang, Zhennan, Dettman, David L., Quade, Jay, Huntington, Katharine W., Schauer, Andrew J., Nelson, David D., McManus, J. Barry, Thirumalai, Kaustubh, Sakai, Saburo, Rebaza Morillo, Anna, Mallik, Ananya

“…Carbonate clumped isotope abundance is an important paleothermometer, but measurement is difficult, slow, and subject to cardinal mass ( m/z ) interferences…”
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Stratigraphy, structure, and tectonic evolution of the Himalayan fold-thrust belt in western Nepal by DeCelles, Peter G., Robinson, Delores M., Quade, Jay, Ojha, T. P., Garzione, Carmala N., Copeland, Peter, Upreti, Bishal N.

“…Regional mapping, stratigraphic study, and 40Ar/39Ar geochronology provide the basis for an incremental restoration of the Himalayan fold‐thrust belt in…”
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Late Miocene hominin teeth from the Gona Paleoanthropological Research Project area, Afar, Ethiopia by Simpson, Scott W., Kleinsasser, Lynnette, Quade, Jay, Levin, Naomi E., McIntosh, William C., Dunbar, Nelia, Semaw, Sileshi, Rogers, Michael J.

“…Since 2000, significant collections of Latest Miocene hominin fossils have been recovered from Chad, Kenya, and Ethiopia. These fossils have provided a better…”
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