Search Results - "Bushuk, Mitchell"

The Seasonality and Interannual Variability of Arctic Sea Ice Reemergence by Bushuk, Mitchell, Giannakis, Dimitrios

“…There is a significant gap between the potential predictability of Arctic sea ice area and the current forecast skill of operational prediction systems. One…”
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Machine Learning for Online Sea Ice Bias Correction Within Global Ice‐Ocean Simulations by Gregory, William, Bushuk, Mitchell, Zhang, Yongfei, Adcroft, Alistair, Zanna, Laure

“…In this study, we perform online sea ice bias correction within a Geophysical Fluid Dynamics Laboratory global ice‐ocean model. For this, we use a…”
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Subseasonal Prediction of Regional Antarctic Sea Ice by a Deep Learning Model by Wang, Yunhe, Yuan, Xiaojun, Ren, Yibin, Bushuk, Mitchell, Shu, Qi, Li, Cuihua, Li, Xiaofeng

“…Antarctic sea ice concentration (SIC) prediction at seasonal scale has been documented, but a gap remains at subseasonal scale (1–8 weeks) due to limited…”
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Skillful regional prediction of Arctic sea ice on seasonal timescales by Bushuk, Mitchell, Msadek, Rym, Winton, Michael, Vecchi, Gabriel A., Gudgel, Rich, Rosati, Anthony, Yang, Xiaosong

“…Recent Arctic sea ice seasonal prediction efforts and forecast skill assessments have primarily focused on pan‐Arctic sea ice extent (SIE). In this work, we…”
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Sea-ice reemergence in a model hierarchy by Bushuk, Mitchell, Giannakis, Dimitrios

“…Lagged correlation analysis of Arctic sea‐ice area reveals that melt season sea‐ice anomalies tend to recur the following growth season, and growth season…”
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Fingerprints of internal drivers of Arctic sea ice loss in observations and model simulations by Ding, Qinghua, Schweiger, Axel, L’Heureux, Michelle, Steig, Eric J., Battisti, David S., Johnson, Nathaniel C., Blanchard-Wrigglesworth, Eduardo, Po-Chedley, Stephen, Zhang, Qin, Harnos, Kirstin, Bushuk, Mitchell, Markle, Bradley, Baxter, Ian

“…The relative contribution and physical drivers of internal variability in recent Arctic sea ice loss remain open questions, leaving up for debate whether…”
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A Mechanism for the Arctic Sea Ice Spring Predictability Barrier by Bushuk, Mitchell, Winton, Michael, Bonan, David B., Blanchard‐Wrigglesworth, Edward, Delworth, Thomas L.

“…The decline of Arctic sea ice extent has created a pressing need for accurate seasonal predictions of regional summer sea ice. Recent work has shown evidence…”
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Open Water in Sea Ice Causes High Bias in Polar Low‐Level Clouds in GFDL CM4 by Li, Xia, Tan, Zhihong, Zheng, Youtong, Bushuk, Mitchell, Donner, Leo J.

“…Global climate models (GCMs) struggle to simulate polar clouds, especially low‐level clouds that contain supercooled liquid and closely interact with both the…”
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Summertime atmosphere–sea ice coupling in the Arctic simulated by CMIP5/6 models: Importance of large-scale circulation by Luo, Rui, Ding, Qinghua, Wu, Zhiwei, Baxter, Ian, Bushuk, Mitchell, Huang, Yiyi, Dong, Xiquan

“…Summertime barotropic high pressure in the Arctic and its induced warmer and wetter atmosphere over sea ice are suggested to be important contributors to…”
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Reducing the Spring Barrier in Predicting Summer Arctic Sea Ice Concentration by Zeng, Jingwen, Yang, Qinghua, Li, Xuewei, Yuan, Xiaojun, Bushuk, Mitchell, Chen, Dake

“…The predictive skill of summer sea ice concentration (SIC) in the Arctic presents a steep decline when initialized before June, which is the so‐called spring…”
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Deep Learning of Systematic Sea Ice Model Errors From Data Assimilation Increments by Gregory, William, Bushuk, Mitchell, Adcroft, Alistair, Zhang, Yongfei, Zanna, Laure

“…Abstract Data assimilation is often viewed as a framework for correcting short‐term error growth in dynamical climate model forecasts. When viewed on the time…”
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The GFDL Global Ocean and Sea Ice Model OM4.0: Model Description and Simulation Features by Adcroft, Alistair, Anderson, Whit, Balaji, V., Blanton, Chris, Bushuk, Mitchell, Dufour, Carolina O., Dunne, John P., Griffies, Stephen M., Hallberg, Robert, Harrison, Matthew J., Held, Isaac M., Jansen, Malte F., John, Jasmin G., Krasting, John P., Langenhorst, Amy R., Legg, Sonya, Liang, Zhi, McHugh, Colleen, Radhakrishnan, Aparna, Reichl, Brandon G., Rosati, Tony, Samuels, Bonita L., Shao, Andrew, Stouffer, Ronald, Winton, Michael, Wittenberg, Andrew T., Xiang, Baoqiang, Zadeh, Niki, Zhang, Rong

“…We document the configuration and emergent simulation features from the Geophysical Fluid Dynamics Laboratory (GFDL) OM4.0 ocean/sea ice model. OM4 serves as…”
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The Value of Sustained Ocean Observations for Sea Ice Predictions in the Barents Sea by Bushuk, Mitchell, Yang, Xiaosong, Winton, Michael, Msadek, Rym, Harrison, Matthew, Rosati, Anthony, Gudgel, Rich

“…Dynamical prediction systems have shown potential to meet the emerging need for seasonal forecasts of regional Arctic sea ice. Observationally constrained…”
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Improvements in September Arctic Sea Ice Predictions Via Assimilation of Summer CryoSat‐2 Sea Ice Thickness Observations by Zhang, Yong‐Fei, Bushuk, Mitchell, Winton, Michael, Hurlin, Bill, Gregory, William, Landy, Jack, Jia, Liwei

“…Because of a spring predictability barrier, the seasonal forecast skill of Arctic summer sea ice is limited by the availability of melt‐season sea ice…”
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Arctic Sea Ice Reemergence: The Role of Large-Scale Oceanic and Atmospheric Variability by Bushuk, Mitchell, Giannakis, Dimitrios, Majda, Andrew J.

“…Arctic sea ice reemergence is a phenomenon in which spring sea ice anomalies are positively correlated with fall anomalies, despite a loss of correlation over…”
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SPEAR: The Next Generation GFDL Modeling System for Seasonal to Multidecadal Prediction and Projection by Delworth, Thomas L., Cooke, William F., Adcroft, Alistair, Bushuk, Mitchell, Chen, Jan‐Huey, Dunne, Krista A., Ginoux, Paul, Gudgel, Richard, Hallberg, Robert W., Harris, Lucas, Harrison, Matthew J., Johnson, Nathaniel, Kapnick, Sarah B., Lin, Shian‐Jian, Lu, Feiyu, Malyshev, Sergey, Milly, Paul C., Murakami, Hiroyuki, Naik, Vaishali, Pascale, Salvatore, Paynter, David, Rosati, Anthony, Schwarzkopf, M.D., Shevliakova, Elena, Underwood, Seth, Wittenberg, Andrew T., Xiang, Baoqiang, Yang, Xiaosong, Zeng, Fanrong, Zhang, Honghai, Zhang, Liping, Zhao, Ming

“…We document the development and simulation characteristics of the next generation modeling system for seasonal to decadal prediction and projection at the…”
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Forecast Skill of the Arctic Sea Ice Outlook 2008–2022 by Blanchard‐Wrigglesworth, Edward, Bushuk, Mitchell, Massonnet, François, Hamilton, Lawrence C., Bitz, Cecilia M., Meier, Walter N., Bhatt, Uma S.

“…We assess the skill of forecasts of Arctic September sea ice in the Sea Ice Outlook over 2008–2022. The multi‐model median June initialized forecast of…”
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Seasonal Prediction and Predictability of Regional Antarctic Sea Ice by Bushuk, Mitchell, Winton, Michael, Haumann, F. Alexander, Delworth, Thomas, Lu, Feiyu, Zhang, Yongfei, Jia, Liwei, Zhang, Liping, Cooke, William, Harrison, Matthew, Hurlin, Bill, Johnson, Nathaniel C., Kapnick, Sarah B., McHugh, Colleen, Murakami, Hiroyuki, Rosati, Anthony, Tseng, Kai-Chih, Wittenberg, Andrew T., Yang, Xiaosong, Zeng, Fanrong

“…Compared to the Arctic, seasonal predictions of Antarctic sea ice have received relatively little attention. In this work, we utilize three coupled dynamical…”
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Potential Predictability of the Spring Bloom in the Southern Ocean Sea Ice Zone by Buchovecky, Benjamin, MacGilchrist, Graeme A., Bushuk, Mitchell, Haumann, F. Alexander, Frölicher, Thomas L., Le Grix, Natacha, Dunne, John

“…Every austral spring when Antarctic sea ice melts, favorable growing conditions lead to an intense phytoplankton bloom, which supports much of the local marine…”
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The Dependence of Internal Multidecadal Variability in the Southern Ocean on the Ocean Background Mean State by Zhang, Liping, Delworth, Thomas L., Cooke, William, Goosse, Hugues, Bushuk, Mitchell, Morioka, Yushi, Yang, Xiaosong

“…Previous studies have shown the existence of internal multidecadal variability in the Southern Ocean using multiple climate models. This variability,…”
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