Search Results - "Bitz, Cecilia M."

Conditions leading to the unprecedented low Antarctic sea ice extent during the 2016 austral spring season by Stuecker, Malte F., Bitz, Cecilia M., Armour, Kyle C.

“…The 2016 austral spring was characterized by the lowest Southern Hemisphere (SH) sea ice extent seen in the satellite record (1979 to present) and coincided…”
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Antarctic Ocean and Sea Ice Response to Ozone Depletion: A Two-Time-Scale Problem by Ferreira, David, Marshall, John, Bitz, Cecilia M., Solomon, Susan, Plumb, Alan

“…The response of the Southern Ocean to a repeating seasonal cycle of ozone loss is studied in two coupled climate models and is found to comprise both fast and…”
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Time-Varying Climate Sensitivity from Regional Feedbacks by Armour, Kyle C., Bitz, Cecilia M., Roe, Gerard H.

“…The sensitivity of global climate with respect to forcing is generally described in terms of the global climate feedback—the global radiative response per…”
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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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Antarctic Sea Ice Area in CMIP6 by Roach, Lettie A., Dörr, Jakob, Holmes, Caroline R., Massonnet, François, Blockley, Edward W., Notz, Dirk, Rackow, Thomas, Raphael, Marilyn N., O'Farrell, Siobhan P., Bailey, David A., Bitz, Cecilia M.

“…Fully coupled climate models have long shown a wide range of Antarctic sea ice states and evolution over the satellite era. Here, we present a high‐level…”
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Antarctic sea-ice expansion between 2000 and 2014 driven by tropical Pacific decadal climate variability by Meehl, Gerald A., Arblaster, Julie M., Bitz, Cecilia M., Chung, Christine T. Y., Teng, Haiyan

“…Antarctic sea-ice extent has been increasing. Analyses of climate simulations and observations show that atmospheric conditions conducive to Antarctic sea-ice…”
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Polar amplification dominated by local forcing and feedbacks by Stuecker, Malte F., Bitz, Cecilia M., Armour, Kyle C., Proistosescu, Cristian, Kang, Sarah M., Xie, Shang-Ping, Kim, Doyeon, McGregor, Shayne, Zhang, Wenjun, Zhao, Sen, Cai, Wenju, Dong, Yue, Jin, Fei-Fei

“…The surface temperature response to greenhouse gas forcing displays a characteristic pattern of polar-amplified warming 1 – 5 , particularly in the Northern…”
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Characteristics of Arctic Sea-Ice Thickness Variability in GCMs by Blanchard-Wrigglesworth, Edward, Bitz, Cecilia M.

“…Skillful Arctic sea ice forecasts may be possible for lead times of months or even years owing to the persistence of thickness anomalies. In this study sea ice…”
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Ecological Consequences of Sea-Ice Decline by Post, Eric, Bhatt, Uma S., Bitz, Cecilia M., Brodie, Jedediah F., Fulton, Tara L., Hebblewhite, Mark, Kerby, Jeffrey, Kutz, Susan J., Stirling, Ian, Walker, Donald A.

“…After a decade with nine of the lowest arctic sea-ice minima on record, including the historically low minimum in 2012, we synthesize recent developments in…”
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Persistence and Inherent Predictability of Arctic Sea Ice in a GCM Ensemble and Observations by Blanchard-Wrigglesworth, Edward, Armour, Kyle C., Bitz, Cecilia M., DeWeaver, Eric

“…The temporal characteristics of Arctic sea ice extent and area are analyzed in terms of their lagged correlation in observations and a GCM ensemble…”
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The Response of the Southern Ocean and Antarctic Sea Ice to Freshwater from Ice Shelves in an Earth System Model by Pauling, Andrew G., Bitz, Cecilia M., Smith, Inga J., Langhorne, Patricia J.

“…The possibility that recent Antarctic sea ice expansion resulted from an increase in freshwater reaching the Southern Ocean is investigated here. The…”
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Predicting September sea ice: Ensemble skill of the SEARCH Sea Ice Outlook 2008-2013 by Stroeve, Julienne, Hamilton, Lawrence C., Bitz, Cecilia M., Blanchard-Wrigglesworth, Edward

“…Since 2008, the Study of Environmental Arctic Change Sea Ice Outlook has solicited predictions of September sea‐ice extent from the Arctic research community…”
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The Climate Response to the Mt. Pinatubo Eruption Does Not Constrain Climate Sensitivity by Pauling, Andrew G., Bitz, Cecilia M., Armour, Kyle C.

“…The climate response to the Mt. Pinatubo volcanic eruption is analyzed using large ensembles of Coupled Model Intercomparison Project Phase 6 (CMIP6)…”
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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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Ice Caps and Ice Belts: The Effects of Obliquity on Ice−Albedo Feedback by Rose, Brian E. J., Cronin, Timothy W., Bitz, Cecilia M.

“…Planetary obliquity determines the meridional distribution of the annual mean insolation. For obliquity exceeding 55°, the weakest insolation occurs at the…”
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Tropical Decadal Variability and the Rate of Arctic Sea Ice Decrease by Meehl, Gerald A., Chung, Christine T. Y., Arblaster, Julie M., Holland, Marika M., Bitz, Cecilia M.

“…The trend for cold‐season (November‐December‐January‐February, NDJF) decreases in Arctic sea ice extent from 2000 to 2014 was about a factor of two larger than…”
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Time‐Dependent Freshwater Input From Ice Shelves: Impacts on Antarctic Sea Ice and the Southern Ocean in an Earth System Model by Pauling, Andrew G., Smith, Inga J., Langhorne, Patricia J., Bitz, Cecilia M.

“…Earth System Models do not reproduce the observed increase in Antarctic sea ice extent which may be due to the unrealistic representation of ice shelves. Here…”
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Processes Controlling Arctic and Antarctic Sea Ice Predictability in the Community Earth System Model by Ordoñez, Ana C., Bitz, Cecilia M., Blanchard-Wrigglesworth, Edward

“…Sea ice predictability is a rapidly growing area of research, with most studies focusing on the Arctic. This study offers new insights by comparing…”
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The ocean's role in polar climate change: asymmetric Arctic and Antarctic responses to greenhouse gas and ozone forcing by Marshall, John, Armour, Kyle C., Scott, Jeffery R., Kostov, Yavor, Hausmann, Ute, Ferreira, David, Shepherd, Theodore G., Bitz, Cecilia M.

“…In recent decades, the Arctic has been warming and sea ice disappearing. By contrast, the Southern Ocean around Antarctica has been (mainly) cooling and…”
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The spatial extent and dynamics of the Antarctic Cold Reversal by Pedro, Joel B., Bostock, Helen C., Bitz, Cecilia M., He, Feng, Vandergoes, Marcus J., Steig, Eric J., Chase, Brian M., Krause, Claire E., Rasmussen, Sune O., Markle, Bradley R., Cortese, Giuseppe

“…The last deglaciation was interrupted by the Antarctic Cold Reversal. Proxy records and climate modelling suggest that a redistribution of oceanic and…”
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