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As we deal with the effects of climate change and the increase of global atmospheric temperatures, the accurate tracking and prediction of ice layers within polar ice sheets grows in importance. Studying these ice layers reveals climate…

机器学习 · 计算机科学 2023-06-27 Benjamin Zalatan , Maryam Rahnemoonfar

Despite the impressive success of deep neural networks in many application areas, neural network models have so far not been widely adopted in the context of volatility forecasting. In this work, we aim to bridge the conceptual gap between…

计量经济学 · 经济学 2022-05-17 Rafael Reisenhofer , Xandro Bayer , Nikolaus Hautsch

Arctic sea ice concentration is often coarsely observed and numerically computed despite its importance for polar climate system. In this work we present three machine-learning methods to recover the original high-resolution images from the…

大气与海洋物理 · 物理学 2021-09-02 Jun Zhai , Cecilia M. Bitz

Clouds containing ice particles play a crucial role in the climate system. Yet they remain a source of great uncertainty in climate models and future climate projections. In this work, we create a new observational constraint of…

大气与海洋物理 · 物理学 2023-12-14 Kai Jeggle , Mikolaj Czerkawski , Federico Serva , Bertrand Le Saux , David Neubauer , Ulrike Lohmann

The rapidly shrinking Arctic sea ice is changing weather patterns and disrupting the balance of nature. Dynamics of Arctic weather variability (WV) plays a crucial role in weather forecasting and is closely related to extreme weather…

大气与海洋物理 · 物理学 2023-12-07 Jun Meng , Jingfang Fan , Uma S Bhatt , Jürgen Kurths

Global warming is an urgent issue that is generating catastrophic environmental changes, such as the melting of sea ice and glaciers, particularly in the polar regions. The melting pattern and retreat of polar sea ice cover is an essential…

计算机视觉与模式识别 · 计算机科学 2023-03-23 Jurdana Masuma Iqrah , Younghyun Koo , Wei Wang , Hongjie Xie , Sushil Prasad

Observations indicate that the Arctic sea ice cover is rapidly retreating while the Antarctic sea ice cover is steadily expanding. State-of-the-art climate models, by contrast, typically simulate a moderate decrease in both the Arctic and…

大气与海洋物理 · 物理学 2017-10-11 Erica Rosenblum , Ian Eisenman

Fully supervised deep learning approaches have demonstrated impressive accuracy in sea ice classification, but their dependence on high-resolution labels presents a significant challenge due to the difficulty of obtaining such data. In…

计算机视觉与模式识别 · 计算机科学 2024-05-20 Muhammed Patel , Xinwei Chen , Linlin Xu , Yuhao Chen , K Andrea Scott , David A. Clausi

Sea ice, or frozen ocean water, freezes and melts every year in the Arctic. Forecasts of where sea ice will be located weeks to months in advance have become more important as the amount of sea ice declines due to climate change, for…

应用统计 · 统计学 2020-06-11 Hannah M. Director , Adrian E. Raftery , Cecilia M. Bitz

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…

信号处理 · 电气工程与系统科学 2022-05-04 Stefan Dominicus , Amit Kumar Mishra

Data assimilation is often viewed as a framework for correcting short-term error growth in dynamical climate model forecasts. When viewed on the time scales of climate however, these short-term corrections, or analysis increments, can…

大气与海洋物理 · 物理学 2023-10-02 William Gregory , Mitchell Bushuk , Alistair Adcroft , Yongfei Zhang , Laure Zanna

Quantifying the causal relationship between sea ice thickness and sea surface height (SSH) is essential for understanding the mechanisms driving polar climate change and global sea-level rise. Conventional deep learning models often…

机器学习 · 计算机科学 2026-04-22 Akila Sampath , Vandana Janeja , Jianwu Wang

The Biogeochemical-Argo (BGC-Argo) program is building a network of globally distributed, sensor-equipped robotic profiling floats, improving our understanding of the climate system and how it is changing. These floats, however, are limited…

The mapping of ocean floor layers is a current challenge for the oil industry. Existing solution methods involve mapping through seismic methods and wave inversion, which are complex and computationally expensive. The introduction of…

机器学习 · 计算机科学 2024-12-10 Guilherme G. D. Fernandes , Vitor S. P. P. Oliveira , João P. I. Astolfo

Understanding how environmental and operational conditions influence vessel speed is crucial for characterizing navigational conditions in the Arctic. We analyzed Automatic Identification System (AIS) data from 2010-2019 to examine vessel…

信号处理 · 电气工程与系统科学 2026-05-18 Mauli Pant , Linda Fernandez , Indranil Sahoo

Spatial phenomena often exhibit heterogeneity across spatial extents and in proximity, making them complex to model-especially in dynamic regions like ice shelves and sea ice. In this study, we address this challenge by exploring the…

社会与信息网络 · 计算机科学 2025-07-10 Maloy Kumar Devnath , Sudip Chakraborty , Vandana P. Janeja

Seasonal forecast of Arctic sea ice concentration is key to mitigate the negative impact and assess potential opportunities posed by the rapid decline of sea ice coverage. Seasonal prediction systems based on climate models often show…

机器学习 · 计算机科学 2026-02-10 Parsa Gooya , Reinel Sospedra-Alfonso

One of the most challenging and consequential problems in climate modeling is to provide probabilistic projections of sea level rise. A large part of the uncertainty of sea level projections is due to uncertainty in ice sheet dynamics. At…

计算物理 · 物理学 2023-01-30 QiZhi He , Mauro Perego , Amanda A. Howard , George Em Karniadakis , Panos Stinis

Large-scale study of glaciers improves our understanding of global glacier change and is imperative for monitoring the ecological environment, preventing disasters, and studying the effects of global climate change. Glaciers in the Hindu…

计算机视觉与模式识别 · 计算机科学 2023-01-30 Bibek Aryal , Katie E. Miles , Sergio A. Vargas Zesati , Olac Fuentes

The Ice-sheet and Sea-level System Model (ISSM) provides numerical solutions for ice sheet dynamics using finite element and fine mesh adaption. However, considering ISSM is compatible only with central processing units (CPUs), it has…

机器学习 · 计算机科学 2025-01-15 Maryam Rahnemoonfar , Younghyun Koo