Search Results - "Thomas, Elizabeth K."

A multimillion-year-old record of Greenland vegetation and glacial history preserved in sediment beneath 1.4 km of ice at Camp Century by Christ, Andrew J., Bierman, Paul R., Schaefer, Joerg M., Dahl-Jensen, Dorthe, Steffensen, Jørgen P., Corbett, Lee B., Peteet, Dorothy M., Thomas, Elizabeth K., Steig, Eric J., Rittenour, Tammy M., Tison, Jean-Louis, Blard, Pierre-Henri, Perdrial, Nicolas, Dethier, David P., Lini, Andrea, Hidy, Alan J., Caffee, Marc W., Southon, John

“…Understanding the history of the Greenland Ice Sheet (GrIS) is critical for determining its sensitivity to warming and contribution to sea level; however, that…”
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Early Holocene Laurentide Ice Sheet Retreat Influenced Summer Atmospheric Circulation in Baffin Bay by Thomas, Elizabeth K., Cluett, Allison A., Erb, Michael P., McKay, Nicholas P., Briner, Jason P., Castañeda, Isla S., Corcoran, Megan C., Cowling, Owen C., Gorbey, Devon B., Lindberg, Kurt R., Prince, Karlee K., Salacup, Jeffrey

“…Changes in ice‐sheet size impact atmospheric circulation, a phenomenon documented by models but constrained by few paleoclimate records. We present…”
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Recent changes in a remote Arctic lake are unique within the past 200,000 years by Axford, Yarrow, Briner, Jason P, Cooke, Colin A, Francis, Donna R, Michelutti, Neal, Miller, Gifford H, Smol, John P, Thomas, Elizabeth K, Wilson, Cheryl R, Wolfe, Alexander P

“…The Arctic is currently undergoing dramatic environmental transformations, but it remains largely unknown how these changes compare with long-term natural…”
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Origin of the Laurentian Great Lakes fish fauna through upward adaptive radiation cascade prior to the Last Glacial Maximum by Backenstose, Nathan J. C., MacGuigan, Daniel J., Osborne, Christopher A., Bernal, Moisés A., Thomas, Elizabeth K., Normandeau, Eric, Yule, Daniel L., Stott, Wendylee, Ackiss, Amanda S., Albert, Victor A., Bernatchez, Louis, Krabbenhoft, Trevor J.

“…The evolutionary histories of adaptive radiations can be marked by dramatic demographic fluctuations. However, the demographic histories of ecologically-linked…”
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Climate of the past millennium inferred from varved proglacial lake sediments on northeast Baffin Island, Arctic Canada by Thomas, Elizabeth K., Briner, Jason P.

“…This study uses 239+240 Pu-dated varved sediments from Big Round Lake, a proglacial lake on northeast Baffin Island, Arctic Canada to generate a…”
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Arctic and sub-Arctic lake water δ2H and δ18O along a coastal-inland transect: Implications for interpreting water isotope proxy records by Kjellman, Sofia E., Thomas, Elizabeth K., Schomacker, Anders

“…•δ2H and δ18O of 135 lakes along transect from North Atlantic Ocean to Bothnian Bay.•All lakes are sensitive to distillation processes during moisture…”
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Summer warmth of the past six interglacials on Greenland by Cluett, Allison A., Thomas, Elizabeth K.

“…The relative warmth of mid-to-late Pleistocene interglacials on Greenland has remained unknown, leading to debates about the regional climate forcing that…”
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Heterodynes dominate precipitation isotopes in the East Asian monsoon region, reflecting interaction of multiple climate factors by Thomas, Elizabeth K., Clemens, Steven C., Sun, Youbin, Prell, Warren L., Huang, Yongsong, Gao, Li, Loomis, Shannon, Chen, Guangshan, Liu, Zhengyu

“…For the past decade, East Asian monsoon history has been interpreted in the context of an exceptionally well-dated, high-resolution composite record of…”
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Rate of mass loss from the Greenland Ice Sheet will exceed Holocene values this century by Briner, Jason P., Cuzzone, Joshua K., Badgeley, Jessica A., Young, Nicolás E., Steig, Eric J., Morlighem, Mathieu, Schlegel, Nicole-Jeanne, Hakim, Gregory J., Schaefer, Joerg M., Johnson, Jesse V., Lesnek, Alia J., Thomas, Elizabeth K., Allan, Estelle, Bennike, Ole, Cluett, Allison A., Csatho, Beata, de Vernal, Anne, Downs, Jacob, Larour, Eric, Nowicki, Sophie

“…The Greenland Ice Sheet (GIS) is losing mass at a high rate 1 . Given the short-term nature of the observational record, it is difficult to assess the…”
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A major increase in winter snowfall during the middle Holocene on western Greenland caused by reduced sea ice in Baffin Bay and the Labrador Sea by Thomas, Elizabeth K., Briner, Jason P., Ryan‐Henry, John J., Huang, Yongsong

“…Precipitation is predicted to increase in the Arctic as temperature increases and sea ice retreats. Yet the mechanisms controlling precipitation in the Arctic…”
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Ancient plant DNA reveals High Arctic greening during the Last Interglacial by Crump, Sarah E., Fréchette, Bianca, Power, Matthew, Cutler, Sam, de Wet, Gregory, Raynolds, Martha K., Raberg, Jonathan H., Briner, Jason P., Thomas, Elizabeth K., Sepúlveda, Julio, Shapiro, Beth, Bunce, Michael, Miller, Gifford H.

“…Summer warming is driving a greening trend across the Arctic, with the potential for large-scale amplification of climate change due to vegetation-related…”
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Western Siberia experienced rapid shifts in moisture source and summer water balance during the last deglaciation and early Holocene by Cowling, Owen C., Thomas, Elizabeth K., Svendsen, John Inge, Mangerud, Jan, Haflidason, Haflidi, Regnéll, Carl, Brendryen, Jo

“…ABSTRACT The Russian Arctic is an extensive region, with relatively few long‐duration paleoclimate reconstructions compared to other terrestrial Arctic…”
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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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Holocene precipitation seasonality in northern Svalbard: Influence of sea ice and regional ocean surface conditions by Kjellman, Sofia E., Schomacker, Anders, Thomas, Elizabeth K., Håkansson, Lena, Duboscq, Sandrine, Cluett, Allison A., Farnsworth, Wesley R., Allaart, Lis, Cowling, Owen C., McKay, Nicholas P., Brynjólfsson, Skafti, Ingólfsson, Ólafur

“…Arctic precipitation is predicted to increase in the coming century, due to a combination of enhanced northward atmospheric moisture transport and local…”
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Midlatitude land surface temperature impacts the timing and structure of glacial maxima by Thomas, Elizabeth K., Clemens, Steven C., Sun, Youbin, Huang, Yongsong, Prell, Warren, Chen, Guangshan, Liu, Zhengyu, Loomis, Shannon

“…Orbitally modulated insolation is thought to be among the key mechanisms driving ice sheet change. Yet, late Pleistocene ice sheets attained maximum marginal…”
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Southern Baffin Island mean annual precipitation isotopes modulated by summer and autumn moisture source changes during the past 5800 years by Gorbey, Devon B., Thomas, Elizabeth K., Crump, Sarah E., Hollister, Kayla V., Raynolds, Martha K., Raberg, Jonathan H.,  Wet, Gregory, Sepúlveda, Julio, Miller, Gifford H.

“…ABSTRACT Paleo water isotope records can elucidate how the Arctic water cycle responded to past climate changes. We analyze the hydrogen isotope composition…”
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The Northwestern Greenland Ice Sheet During The Early Pleistocene Was Similar To Today by Christ, Andrew J., Bierman, Paul R., Knutz, Paul C., Corbett, Lee B., Fosdick, Julie C., Thomas, Elizabeth K., Cowling, Owen C., Hidy, Alan J., Caffee, Marc W.

“…The multi‐million year history of the Greenland Ice Sheet remains poorly known. Ice‐proximal glacial marine diamict provides a direct but discontinuous record…”
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Need for social work interventions in the emergency department by Tom, Jobin, Thomas, Elizabeth K., Sooraj, A., Uthaman, Seema P., Tharayil, Harish M., S.L., Akhil, Radhakrishnan, Chandni

“…This paper reports findings from a qualitative study conducted on the Need for Social work interventions in the Emergency Department (ED) at a large tertiary…”
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In situ 10Be modeling and terrain analysis constrain subglacial quarrying and abrasion rates at Sermeq Kujalleq (Jakobshavn Isbræ), Greenland by Graham, Brandon L, Briner, Jason P, Young, Nicolás E, Balter-Kennedy, Allie, Koppes, Michele, Schaefer, Joerg M, Poinar, Kristin, Thomas, Elizabeth K

“…Glacial erosion creates diagnostic landscapes and vast amounts of sediment. However, knowledge about the rate at which glaciers erode and sculpt bedrock and…”
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Evidence for a more extensive Greenland ice sheet in southwestern Greenland during the last glacial maximum by Sbarra, Christopher M, Briner, Jason P, Graham, Brandon L, Poinar, Kristin, Thomas, Elizabeth K, Young, Nicolás E

“…The maximum extent and elevation of the Greenland Ice Sheet in southwestern Greenland during the Last Glacial Maximum (LGM, 26-19.5 ka) is poorly constrained…”
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