Search Results - "Hemming, Sidney"

Heinrich events: Massive late Pleistocene detritus layers of the North Atlantic and their global climate imprint by Hemming, Sidney R.

“…Millennial climate oscillations of the glacial interval are interrupted by extreme events, the so‐called Heinrich events of the North Atlantic. Their…”
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Large-volume and swift magmatic response to Late Cenozoic segmentation of the subducted Neotethyan oceanic slab: evidence from the Galatian Volcanic Province, northwestern Turkey by Karaoğlu, Özgür, Varol, Elif, Lustrino, Michele, Chiaradia, Massimo, Toygar Sağın, Özlem, Hemming, Sidney R., Uysal, İbrahim

“…The Miocene Galatian Volcanic Province (GVP) is one of the largest volcanic provinces in central-western Anatolia, with an extent of ~ 8,900 km 2 . The…”
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Sedimentary DNA reveals the link between microbial community dynamics and climate during the late last glaciation in the offshore region of the Zambezi River, Southwest Indian Ocean by Li, Haoyu, Zhang, Hucai, Li, Huayong, Duan, Lizeng, Zhang, Xiaonan, Gao, Youhong, Hall, Ian R., Hemming, Sidney R., LeVay, Leah J.

“…Reconstructing the relationship between microbial communities and past abrupt climate change is of great importance for understanding current biodiversity…”
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Abrupt changes in Antarctic Intermediate Water circulation over the past 25,000 years by Goldstein, Steven L, Hemming, Sidney R, Pahnke, Katharina

“…The circulation of Antarctic Intermediate Water is thought to make an important contribution to the global ocean–climate system, but the details of this…”
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Revisiting the mid-Pleistocene transition ocean circulation crisis by Hines, Sophia K. V., Charles, Christopher D., Starr, Aidan, Goldstein, Steven L., Hemming, Sidney R., Hall, Ian R., Lathika, Nambiyathodi, Passacantando, Mollie, Bolge, Louise

“…The mid-Pleistocene transition (MPT) [~1.25 to 0.85 million years ago (Ma)] marks a shift in the character of glacial-interglacial climate ( 1 , 2 ). One…”
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The contribution of glacial erosion to shaping the hidden landscape of East Antarctica by Thomson, Stuart N., Reiners, Peter W., Hemming, Sidney R., Gehrels, George E.

“…The topography hidden beneath the East Antarctic ice sheet has been unveiled by airborne surveys. Dating of detrital mineral grains reveals that, in contrast…”
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Rock varnish record of the African Humid Period in the Lake Turkana basin of East Africa by Liu, Tanzhuo, Lepre, Christopher J, Hemming, Sidney R, Broecker, Wallace S

“…Rock varnish is a manganiferous dark coating accreted on subaerially exposed rocks in drylands. It often contains a layered microstratigraphy that records past…”
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A strategy for cross-calibrating U–Pb chronology and astrochronology of sedimentary sequences: An example from the Green River Formation, Wyoming, USA by Machlus, Malka L., Ramezani, Jahandar, Bowring, Samuel A., Hemming, Sidney R., Tsukui, Kaori, Clyde, William C.

“…•Eocene sedimentary cyclicity calibrated by new U–Pb zircon geochronology.•High-precision (±11–52 ky) data rules out most previous orbitally forced age…”
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Mid-Miocene cooling and the extinction of tundra in continental Antarctica by Lewis, Adam R, Marchant, David R, Ashworth, Allan C, Hedenäs, Lars, Hemming, Sidney R, Johnson, Jesse V, Leng, Melanie J, Machlus, Malka L, Newton, Angela E, Raine, J. Ian, Willenbring, Jane K, Williams, Mark, Wolfe, Alexander P

“…A major obstacle in understanding the evolution of Cenozoic climate has been the lack of well dated terrestrial evidence from high-latitude, glaciated regions…”
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New radiometric 40Ar–39Ar dates and faunistic analyses refine evolutionary dynamics of Neogene vertebrate assemblages in southern South America by Prevosti, Francisco J., Romano, Cristo O., Forasiepi, Analía M., Hemming, Sidney, Bonini, Ricardo, Candela, Adriana M., Cerdeño, Esperanza, Madozzo Jaén, M. Carolina, Ortiz, Pablo E., Pujos, François, Rasia, Luciano, Schmidt, Gabriela I., Taglioretti, Matias, MacPhee, Ross D. E., Pardiñas, Ulyses F. J.

“…The vertebrate fossil record of the Pampean Region of Argentina occupies an important place in South American vertebrate paleontology. An abundance of…”
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Persistent influence of precession on northern ice sheet variability since the early Pleistocene by Barker, Stephen, Starr, Aidan, van der Lubbe, Jeroen, Doughty, Alice, Knorr, Gregor, Conn, Stephen, Lordsmith, Sian, Owen, Lindsey, Nederbragt, Alexandra, Hemming, Sidney, Hall, Ian, Levay, Leah, Berke, M A, Brentegani, L, Caley, T, Cartagena-Sierra, A, Charles, C D, Coenen, J J, Crespin, J G, Franzese, A M, Gruetzner, J, Han, X, Hines, S K V, Jimenez Espejo, F J, Just, J, Koutsodendris, A, Kubota, K, Lathika, N, Norris, R D, Periera Dos Santos, T, Robinson, R, Rolison, J M, Simon, M H, Tangunan, D, Yamane, M, Zhang, H

“…Prior to ~1 million years ago (Ma), variations in global ice volume were dominated by changes in obliquity; however, the role of precession remains unresolved…”
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Deglaciation of northwestern Greenland during Marine Isotope Stage 11 by Christ, Andrew J, Rittenour, Tammy M, Bierman, Paul R, Keisling, Benjamin A, Knutz, Paul C, Thomsen, Tonny B, Keulen, Nynke, Fosdick, Julie C, Hemming, Sidney R, Tison, Jean-Louis, Blard, Pierre-Henri, Steffensen, Jørgen P, Caffee, Marc W, Corbett, Lee B, Dahl-Jensen, Dorthe, Dethier, David P, Hidy, Alan J, Perdrial, Nicolas, Peteet, Dorothy M, Steig, Eric J, Thomas, Elizabeth K

“…Past interglacial climates with smaller ice sheets offer analogs for ice sheet response to future warming and contributions to sea level rise; however,…”
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Miocene to present oceanographic variability in the Scotia Sea and Antarctic ice sheets dynamics: Insight from revised seismic-stratigraphy following IODP Expedition 382 by Pérez, Lara F., Martos, Yasmina M., García, Marga, Weber, Michael E., Raymo, Maureen E., Williams, Trevor, Bohoyo, Fernando, Armbrecht, Linda, Bailey, Ian, Brachfeld, Stefanie, Glüder, Anna, Guitard, Michelle, Gutjahr, Marcus, Hemming, Sidney, Hernández-Almeida, Iván, Hoem, Frida S., Kato, Yuji, O'Connell, Suzanne, Peck, Victoria L., Reilly, Brendan, Ronge, Thomas A., Tauxe, Lisa, Warnock, Jonathan, Zheng, Xufeng

“…•Core-log-seismic correlation allows to assign ages to the Scotia Sea seismic record.•Major implications are derived on the relation between regional and…”
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Analysis of Antarctic glacigenic sediment provenance through geochemical and petrologic applications by Licht, Kathy J., Hemming, Sidney R.

“…The number of provenance studies of glacigenic sediments in Antarctica has increased dramatically over the past decade, providing an enhanced understanding of…”
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Temporal Relationships of Carbon Cycling and Ocean Circulation at Glacial Boundaries by Piotrowski, Alexander M, Goldstein, Steven L, Hemming, Sidney R, Fairbanks, Richard G

“…Evidence from high-sedimentation-rate South Atlantic deep-sea cores indicates that global and Southern Ocean carbon budget shifts preceded thermohaline…”
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Establishing a Provenance Framework for Sandstones in the Greenland–Norway Rift from the Composition of Moraine/Outwash Sediments by Szulc, Adam G., Morton, Andrew C., Whitham, Andrew G., Hemming, Sidney R., Thomson, Stuart N.

“…The crystalline basement and Caledonian orogenic belt of East Greenland between 70 and 78° N are divided into five source regions on the basis of heavy mineral…”
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A Geochemical Mechanism for >10 m Apparent Downward Offsets of Magnetic Reversals Inferred From Comparison of Two Scotia Sea Drill Sites by Reilly, Brendan T., Tauxe, Lisa, Brachfeld, Stefanie A., Kenlee, Bridget, Gutjahr, Marcus, Dale, Andrew W., Hernández‐Almeida, Iván, Hemming, Sidney, Bailey, Ian, Zheng, Xufeng, Cheu, Daven, Taglienti, Reece, Weber, Michael E., Raymo, Maureen E., Williams, Trevor

“…We document an apparent downward displacement of the Matuyama‐Brunhes magnetic reversal by ∼20 m at Scotia Sea International Ocean Discovery Program Site U1538…”
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Provenance Response to Rifting and Separation at the Jan Mayen Microcontinent Margin by Morton, Andrew, Jolley, David W., Szulc, Adam G., Whitham, Andrew G., Strogen, Dominic P., Fanning, C. Mark, Hemming, Sidney R.

“…The Eocene-Miocene successions recovered at DSDP sites on the Jan Mayen Ridge (NE Atlantic) and on the adjacent East Greenland margin provide a sedimentary…”
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Towards explaining the Nd paradox using reversible scavenging in an ocean general circulation model by Siddall, Mark, Khatiwala, Samar, van de Flierdt, Tina, Jones, Kevin, Goldstein, Steven L., Hemming, Sidney, Anderson, Robert F.

“…The isotopic composition of the rare earth element neodymium (Nd) has the potential to serve as water-mass tracer, because it is naturally tagged by…”
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Volcanic activity around Taipei, Taiwan: new data and perspectives on the Tatun Volcano Group by Chang, Su-Chin, Chu, Mei-Fei, Wang, Jui-Pin, Lai, Yu-Ming, Song, Sheng-Rong, Hemming, Sidney R., Ng, Samuel Wai-Pan, Chow, Timothy Dylan

“…The Tatun Volcano Group (TVG) is located at the northern end of Taiwan, ~ 15 km from the center of Taipei, a metropolitan area of over seven million…”
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