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We showcase a hybrid modeling framework which embeds machine learning (ML) inference into the GFDL SPEAR climate model, for online sea ice bias correction during a set of global fully-coupled 1-year retrospective forecasts. We compare two…

Atmospheric and Oceanic Physics · Physics 2026-01-05 William Gregory , Mitchell Bushuk , Yong-Fei Zhang , Alistair Adcroft , Laure Zanna , Colleen McHugh , Liwei Jia

Since the beginning of satellite observations, the Arctic sea ice extent has shown a downward trend. The decline has been weaker in the March maximum than in the September minimum and masked by inter-annual fluctuations. One of the less…

Atmospheric and Oceanic Physics · Physics 2013-08-23 Peter D. Ditlevsen , Ivana Cvijanovic

Sea ice concentration is an important metric used to characterize polar sea ice behavior. Understanding this behavior and accurately representing it is of critical importance for climate science research, and also has important uses in the…

Signal Processing · Electrical Eng. & Systems 2022-05-04 Stefan Dominicus , Amit Kumar Mishra

Accurately forecasting sea ice concentration (SIC) in the Arctic is critical to global ecosystem health and navigation safety. However, current methods still is confronted with two challenges: 1) these methods rarely explore the long-term…

Image and Video Processing · Electrical Eng. & Systems 2025-09-26 Jialiang Zhang , Feng Gao , Yanhai Gan , Junyu Dong , Qian Du

Sea ice motions play an important role in the polar climate system by transporting pollutants, heat, water and salt as well as changing the ice cover. Numerous physics-based models have been constructed to represent the sea ice dynamical…

Atmospheric and Oceanic Physics · Physics 2021-08-26 Jun Zhai , Cecilia M. Bitz

Increased economic activity and research interest in the Arctic raise the need for better wave forecasts in the marginal ice zone (MIZ). Mathematical and numerical models of wave propagation in sea ice would benefit from more in situ data…

Atmospheric and Oceanic Physics · Physics 2020-12-07 Trygve K. Løken , Jean Rabault , Erin E. Thomas , Malte Müller , Kai H. Christensen , Graig Sutherland , Atle Jensen

Monitoring the dynamics of global land-ocean cover is fundamental for regulating the Earth's climate and sustaining terrestrial and marine ecosystems. However, existing datasets and research often exhibit limitations in temporal resolution…

Atmospheric and Oceanic Physics · Physics 2026-04-08 Lixing Wang , Tao Li , Xinyu Dou , Zhu Liu

In this paper, we present a semiparametric model for describing the effect of temperature on Antarctic ice accumulation on a paleoclimatic time scale. The model is motivated by sharp ups and downs in the rate of ice accumulation apparent…

Methodology · Statistics 2025-07-29 Radhendushka Srivastava , Debasis Sengupta

We study the seasonal changes in the thickness distribution of Arctic sea ice, $g(h)$, under climate forcing. Our analytical and numerical approach is based on a Fokker-Planck equation for $g(h)$ (Toppaladoddi \& Wettlaufer \emph{Phys. Rev.…

Atmospheric and Oceanic Physics · Physics 2016-12-26 Srikanth Toppaladoddi , John S. Wettlaufer

Pound for pound, sea ice is the most important component of Earth's climate system. The changing conditions in which sea ice forms and exists are likely to affect the properties of sea ice itself, and potential climate feedbacks need to be…

Atmospheric and Oceanic Physics · Physics 2023-10-12 Kial Stewart , William Palm , Callum Shakespeare , Noa Kraitzman

Atmospheric seeing is one of the most important parameters for evaluating and monitoring an astronomical site. Moreover, being able to predict the seeing in advance can guide observing decisions and significantly improve the efficiency of…

Instrumentation and Methods for Astrophysics · Physics 2023-04-10 Xu Hou , Yi Hu , Fujia Du , Michael C. B. Ashley , Chong Pei , Zhaohui Shang , Bin Ma , Erpeng Wang , Kang Huang

Reduced precision floating point arithmetic is now routinely deployed in numerical weather forecasting over short timescales. However the applicability of these reduced precision techniques to longer timescale climate simulations -…

Atmospheric and Oceanic Physics · Physics 2023-05-17 Tom Kimpson , E. Adam Paxton , Matthew Chantry , Tim Palmer

Stochastic reduced models are an important tool in climate systems whose many spatial and temporal scales cannot be fully discretized or underlying physics may not be fully accounted for. One form of reduced model, the linear inverse model…

Methodology · Statistics 2020-04-29 Dallas Foster , Darin Comeau , Nathan M. Urban

Although high-resolution mapping of Pan-Arctic sea ice with reliable corresponding uncertainty is essential for operational sea ice concentration (SIC) charting, it is a difficult task due to some key challenges, e.g., the subtle nature of…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Mabel Heffring , Lincoln Linlin Xu

Perhaps the most iconic feature of melting Arctic sea ice is the formation of distinctive, complex ponds on its surface during late spring. The evolution of melt ponds and their geometrical characteristics determines the albedo of sea ice,…

Atmospheric and Oceanic Physics · Physics 2017-08-11 Yi-Ping Ma , Ivan Sudakov , Courtenay Strong , Kenneth M. Golden

We analyze the numerical solutions of a stochastic Arctic sea ice model with constant additive noise over a wide range of external heat-fluxes, $\Delta F_0$, which correspond to greenhouse gas forcing. The variability that the stochasticity…

Atmospheric and Oceanic Physics · Physics 2017-05-05 Woosok Moon , John S. Wettlaufer

Accurate predictions of basal melt rates on ice shelves are necessary for precise projections of the future behaviour of ice sheets. The computational expense associated with completely resolving the cavity circulation using an ocean model…

Fluid Dynamics · Physics 2022-03-17 Alexander T Bradley , C. Rosie Williams , Adrian Jenkins , Robert Arthern

The Earth's climate is rapidly changing and some of the most drastic changes can be seen in the Arctic, where sea ice extent has diminished considerably in recent years. As the Arctic climate continues to change, gathering in situ sea ice…

Computational Engineering, Finance, and Science · Computer Science 2021-04-07 Matthew Parno , Taylor Hodgdon , Brendan West , Devin O'Connor , Arnold Song

Quantifying the risk of global warming exceeding critical targets such as 2.0 K requires reliable projections of uncertainty as well as best estimates of Global Mean Surface Temperature (GMST). However, uncertainty bands on GMST projections…

Applications · Statistics 2021-01-21 Philip G. Sansom , Donald Cummins , Stephan Siegert , David B. Stephenson

Projecting sea-level change in various climate-change scenarios typically involves running forward simulations of the Earth's gravitational, rotational and deformational (GRD) response to ice mass change, which requires high computational…

Atmospheric and Oceanic Physics · Physics 2025-11-18 Myungsoo Yoo , Giri Gopalan , Matthew J. Hoffman , Sophie Coulson , Holly Kyeore Han , Christopher K. Wikle , Trevor Hillebrand