Search Results - "Marcott, Shaun A"

A Reconstruction of Regional and Global Temperature for the Past 11,300 Years by Marcott, Shaun A., Shakun, Jeremy D., Clark, Peter U., Mix, Alan C.

“…Surface temperature reconstructions of the past 1500 years suggest that recent warming is unprecedented in that time. Here we provide a broader perspective by…”
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Abrupt changes in the global carbon cycle during the last glacial period by Bauska, Thomas K., Marcott, Shaun A., Brook, Edward J.

“…During the last glacial period, atmospheric carbon dioxide (CO 2 ) closely followed Antarctic temperature on millennial timescales. This strong correlation…”
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Global warming preceded by increasing carbon dioxide concentrations during the last deglaciation by Shakun, Jeremy D., Clark, Peter U., He, Feng, Marcott, Shaun A., Mix, Alan C., Liu, Zhengyu, Otto-Bliesner, Bette, Schmittner, Andreas, Bard, Edouard

“…The covariation of carbon dioxide (CO 2 ) concentration and temperature in Antarctic ice-core records suggests a close link between CO 2 and climate during the…”
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Consequences of twenty-first-century policy for multi-millennial climate and sea-level change by Clark, Peter U., Shakun, Jeremy D., Marcott, Shaun A., Mix, Alan C., Eby, Michael, Kulp, Scott, Levermann, Anders, Milne, Glenn A., Pfister, Patrik L., Santer, Benjamin D., Schrag, Daniel P., Solomon, Susan, Stocker, Thomas F., Strauss, Benjamin H., Weaver, Andrew J., Winkelmann, Ricarda, Archer, David, Bard, Edouard, Goldner, Aaron, Lambeck, Kurt, Pierrehumbert, Raymond T., Plattner, Gian-Kasper

“…Most of the policy debate surrounding the actions needed to mitigate and adapt to anthropogenic climate change has been framed by observations of the past 150…”
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Centennial-scale changes in the global carbon cycle during the last deglaciation by Marcott, Shaun A., Bauska, Thomas K., Buizert, Christo, Steig, Eric J., Rosen, Julia L., Cuffey, Kurt M., Fudge, T. J., Severinghaus, Jeffery P., Ahn, Jinho, Kalk, Michael L., McConnell, Joseph R., Sowers, Todd, Taylor, Kendrick C., White, James W. C., Brook, Edward J.

“…Carbon dioxide and methane records from a West Antarctic ice core show that although gradual variations in the concentration of atmospheric carbon dioxide…”
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Carbon isotopes characterize rapid changes in atmospheric carbon dioxide during the last deglaciation by Bauska, Thomas K., Baggenstos, Daniel, Brook, Edward J., Mix, Alan C., Marcott, Shaun A., Petrenko, Vasilii V., Schaefer, Hinrich, Severinghaus, Jeffrey P., Lee, James E.

“…An understanding of the mechanisms that control CO₂ change during glacial–interglacial cycles remains elusive. Here we help to constrain changing sources with…”
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Ice-shelf collapse from subsurface warming as a trigger for Heinrich events by Marcott, Shaun A, Clark, Peter U, Padman, Laurie, Klinkhammer, Gary P, Springer, Scott R, Liu, Zhengyu, Otto-Bliesner, Bette L, Carlson, Anders E, Ungerer, Andy, Padman, June, He, Feng, Cheng, Jun, Schmittner, Andreas

“…Episodic iceberg-discharge events from the Hudson Strait Ice Stream (HSIS) of the Laurentide Ice Sheet, referred to as Heinrich events, are commonly attributed…”
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Distinct Permafrost Conditions Across the Last Two Glacial Periods in Midlatitude North America by Batchelor, Cameron J., Orland, Ian J., Marcott, Shaun A., Slaughter, Richard, Edwards, R. Lawrence, Zhang, Pu, Li, Xianglei, Cheng, Hai

“…During past glacial periods, extensive areas of North America were covered by permafrost. The timing and extent of these paleo‐permafrost conditions, however,…”
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Investigating the Direct Meltwater Effect in Terrestrial Oxygen‐Isotope Paleoclimate Records Using an Isotope‐Enabled Earth System Model by Zhu, Jiang, Liu, Zhengyu, Brady, Esther C., Otto‐Bliesner, Bette L., Marcott, Shaun A., Zhang, Jiaxu, Wang, Xianfeng, Nusbaumer, Jesse, Wong, Tony E., Jahn, Alexandra, Noone, David

“…Variations in terrestrial oxygen‐isotope reconstructions from ice cores and speleothems have been primarily attributed to climatic changes of surface air…”
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Global temperature changes mapped across the past 24,000 years by Marcott, Shaun A., Shakun, Jeremy D.

“…Palaeoclimate data and models have been used to produce a comprehensive report of Earth’s temperature changes over the past 24 millennia. The results suggest…”
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A complete palaeoclimate picture emerges by Marcott, Shaun A, Shakun, Jeremy D

“…In his view, climate research should seamlessly combine models and proxy data, which provide an indirect measure of the palaeoclimate when direct data are…”
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Modeling the timing of Patagonian Ice Sheet retreat in the Chilean Lake District from 22–10 ka by Cuzzone, Joshua, Romero, Matias, Marcott, Shaun A

“…Studying the retreat of the Patagonian Ice Sheet (PIS) during the last deglaciation represents an important opportunity to understand how ice sheets outside…”
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Spatial Fingerprint of Younger Dryas Cooling and Warming in Eastern North America by Fastovich, David, Russell, James M., Jackson, Stephen T., Krause, Teresa R., Marcott, Shaun A., Williams, John W.

“…The Younger Dryas (YD, 12.9–11.7 ka) is the most recent, near‐global interval of abrupt climate change with rates similar to modern global warming…”
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Final deglaciation of the Scandinavian Ice Sheet and implications for the Holocene global sea-level budget by Cuzzone, Joshua K., Clark, Peter U., Carlson, Anders E., Ullman, David J., Rinterknecht, Vincent R., Milne, Glenn A., Lunkka, Juha-Pekka, Wohlfarth, Barbara, Marcott, Shaun A., Caffee, Marc

“…The last deglaciation of the Scandinavian Ice Sheet (SIS) from ∼21,000 to 13,000 yr ago is well-constrained by several hundred 10Be and 14C ages. The…”
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Southern Ocean drives multidecadal atmospheric CO2 rise during Heinrich Stadials by Wendt, Kathleen A, Nehrbass-Ahles, Christoph, Niezgoda, Kyle, Noone, David, Kalk, Michael, Menviel, Laurie, Gottschalk, Julia, Rae, James W B, Schmitt, Jochen, Fischer, Hubertus, Stocker, Thomas F, Muglia, Juan, Ferreira, David, Marcott, Shaun A, Brook, Edward, Buizert, Christo

“…The last glacial period was punctuated by cold intervals in the North Atlantic region that culminated in extensive iceberg discharge events. These cold…”
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Southern Ocean drives multidecadal atmospheric CO 2 rise during Heinrich Stadials by Wendt, Kathleen A, Nehrbass-Ahles, Christoph, Niezgoda, Kyle, Noone, David, Kalk, Michael, Menviel, Laurie, Gottschalk, Julia, Rae, James W B, Schmitt, Jochen, Fischer, Hubertus, Stocker, Thomas F, Muglia, Juan, Ferreira, David, Marcott, Shaun A, Brook, Edward, Buizert, Christo

“…The last glacial period was punctuated by cold intervals in the North Atlantic region that culminated in extensive iceberg discharge events. These cold…”
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A record of ice sheet demise by Marcott, Shaun A., Shakun, Jeremy D.

“…The Cordilleran ice sheet in western Canada melted sooner than previously thought The Cordilleran ice sheet once covered nearly all of western Canada, from the…”
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Recent tropical Andean glacier retreat is unprecedented in the Holocene by Gorin, Andrew L, Shakun, Jeremy D, Jones, Andrew G, Kennedy, Tori M, Marcott, Shaun A, Goehring, Brent M, Zoet, Lucas K, Jomelli, Vincent, Bromley, Gordon R M, Mateo, Emilio I, Mark, Bryan G, Rodbell, Donald T, Gilbert, Adrien, Caffee, Marc W

“…Tropical glaciers have retreated over recent decades, but whether the magnitude of this retreat exceeds the bounds of Holocene fluctuations is unclear. We…”
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Early to Late Holocene Surface Exposure Ages From Two Marine‐Terminating Outlet Glaciers in Northwest Greenland by Reusche, Melissa M., Marcott, Shaun A., Ceperley, Elizabeth G., Barth, Aaron M., Brook, Edward J., Mix, Alan C., Caffee, Marc W.

“…Terrestrial chronologies from southern Greenland provide a detailed deglacial history of the Greenland Ice Sheet (GIS). The northern GIS margin history,…”
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Four North American glaciers advanced past their modern positions thousands of years apart in the Holocene by Jones, Andrew G, Marcott, Shaun A, Gorin, Andrew L, Kennedy, Tori M, Shakun, Jeremy D, Goehring, Brent M, Menounos, Brian, Clark, Douglas H, Romero, Matias, Caffee, Marc W

“…There is unambiguous evidence that glaciers have retreated from their 19th century positions, but it is less clear how far glaciers have retreated relative to…”
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