Search Results - "HOLLAND, Marika"

Extremes become routine in an emerging new Arctic by Landrum, Laura, Holland, Marika M.

“…The Arctic is rapidly warming and experiencing tremendous changes in sea ice, ocean and terrestrial regions. Lack of long-term scientific observations makes it…”
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Sustained ocean changes contributed to sudden Antarctic sea ice retreat in late 2016 by Meehl, Gerald A., Arblaster, Julie M., Chung, Christine T. Y., Holland, Marika M., DuVivier, Alice, Thompson, LuAnne, Yang, Dongxia, Bitz, Cecilia M.

“…After nearly three decades of observed increasing trends of Antarctic sea ice extent, in September-October-November 2016, there was a dramatic decrease. Here…”
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How predictable is the timing of a summer ice‐free Arctic? by Jahn, Alexandra, Kay, Jennifer E., Holland, Marika M., Hall, David M.

“…Climate model simulations give a large range of over 100 years for predictions of when the Arctic could first become ice free in the summer, and many studies…”
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Arctic sea ice decline: Faster than forecast by Stroeve, Julienne, Holland, Marika M., Meier, Walt, Scambos, Ted, Serreze, Mark

“…From 1953 to 2006, Arctic sea ice extent at the end of the melt season in September has declined sharply. All models participating in the Intergovernmental…”
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The Arctic’s rapidly shrinking sea ice cover: a research synthesis by Stroeve, Julienne C., Serreze, Mark C., Holland, Marika M., Kay, Jennifer E., Malanik, James, Barrett, Andrew P.

“…The sequence of extreme September sea ice extent minima over the past decade suggests acceleration in the response of the Arctic sea ice cover to external…”
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Implications of Arctic sea ice changes for North Atlantic deep convection and the meridional overturning circulation in CCSM4-CMIP5 simulations by Jahn, Alexandra, Holland, Marika M.

“…Using CCSM4 climate simulations for 1850–2300 with four different future forcing scenarios, we show that the maximum strength of the Atlantic meridional…”
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Partitioning uncertainty in projections of Arctic sea ice by Bonan, David B, Lehner, Flavio, Holland, Marika M

“…Abstract Improved knowledge of the contributing sources of uncertainty in projections of Arctic sea ice over the 21st century is essential for evaluating…”
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Sensitivity of Antarctic sea ice to the Southern Annular Mode in coupled climate models by Holland, Marika M., Landrum, Laura, Kostov, Yavor, Marshall, John

“…We assess the sea ice response to Southern Annular Mode (SAM) anomalies for pre-industrial control simulations from the Coupled Model Intercomparison Project…”
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Perspectives on the Arctic's Shrinking Sea-Ice Cover by Serreze, Mark C, Holland, Marika M, Stroeve, Julienne

“…Linear trends in arctic sea-ice extent over the period 1979 to 2006 are negative in every month. This ice loss is best viewed as a combination of strong…”
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Inter-annual to multi-decadal Arctic sea ice extent trends in a warming world by Kay, Jennifer E., Holland, Marika M., Jahn, Alexandra

“…A climate model (CCSM4) is used to investigate the influence of anthropogenic forcing on late 20th century and early 21st century Arctic sea ice extent trends…”
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Improved Sea Ice Shortwave Radiation Physics in CCSM4: The Impact of Melt Ponds and Aerosols on Arctic Sea Ice by Holland, Marika M., Bailey, David A., Briegleb, Bruce P., Light, Bonnie, Hunke, Elizabeth

“…The Community Climate System Model, version 4 has revisions across all components. For sea ice, the most notable improvements are the incorporation of a new…”
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Trends in Arctic sea ice extent from CMIP5, CMIP3 and observations by Stroeve, Julienne C., Kattsov, Vladimir, Barrett, Andrew, Serreze, Mark, Pavlova, Tatiana, Holland, Marika, Meier, Walter N.

“…The rapid retreat and thinning of the Arctic sea ice cover over the past several decades is one of the most striking manifestations of global climate change…”
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A REVIEW OF ARCTIC SEA ICE CLIMATE PREDICTABILITY IN LARGE-SCALE EARTH SYSTEM MODELS by Holland, Marika M., Hunke, Elizabeth C.

“…We provide a high-level review of sea ice models used for climate studies and of the recent advances made with these models to understand sea ice…”
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The Community Climate System Model Version 4 by Gent, Peter R., Danabasoglu, Gokhan, Donner, Leo J., Holland, Marika M., Hunke, Elizabeth C., Jayne, Steve R., Lawrence, David M., Neale, Richard B., Rasch, Philip J., Vertenstein, Mariana, Worley, Patrick H., Yang, Zong-Liang, Zhang, Minghua

“…The fourth version of the Community Climate System Model (CCSM4) was recently completed and released to the climate community. This paper describes…”
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Future abrupt reductions in the summer Arctic sea ice by Holland, Marika M., Bitz, Cecilia M., Tremblay, Bruno

“…We examine the trajectory of Arctic summer sea ice in seven projections from the Community Climate System Model and find that abrupt reductions are a common…”
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Fast and slow responses of Southern Ocean sea surface temperature to SAM in coupled climate models by Kostov, Yavor, Marshall, John, Hausmann, Ute, Armour, Kyle C., Ferreira, David, Holland, Marika M.

“…We investigate how sea surface temperatures (SSTs) around Antarctica respond to the Southern Annular Mode (SAM) on multiple timescales. To that end we examine…”
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The Regional, Seasonal, and Lagged Influence of the Amundsen Sea Low on Antarctic Sea Ice by Holland, Marika M., Landrum, Laura, Raphael, Marilyn N., Kwok, Ronald

“…The Amundsen Sea Low (ASL) is an important driver of Antarctic sea ice variations largely because of wind‐driven sea ice and ocean transport anomalies…”
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Springtime winds drive Ross Sea ice variability and change in the following autumn by Holland, Marika M., Landrum, Laura, Raphael, Marilyn, Stammerjohn, Sharon

“…Autumn sea ice trends in the western Ross Sea dominate increases in Antarctic sea ice and are outside the range simulated by climate models. Here we use a…”
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Changing seasonal sea ice predictor relationships in a changing Arctic climate by Holland, Marika M., Stroeve, Julienne

“…Seasonal predictions of Arctic sea ice conditions often rely on statistical relationships of a set of predictors that have shown skill for historical…”
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Abrupt onset of the Little Ice Age triggered by volcanism and sustained by sea-ice/ocean feedbacks by Miller, Gifford H., Geirsdóttir, Áslaug, Zhong, Yafang, Larsen, Darren J., Otto-Bliesner, Bette L., Holland, Marika M., Bailey, David A., Refsnider, Kurt A., Lehman, Scott J., Southon, John R., Anderson, Chance, Björnsson, Helgi, Thordarson, Thorvaldur

“…Northern Hemisphere summer temperatures over the past 8000 years have been paced by the slow decrease in summer insolation resulting from the precession of the…”
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