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Sea ice cover in the Arctic and Antarctic is an important indicator of changes in the climate, with important environmental, economic and security consequences. The complexity of the spatio-temporal dynamics of sea ice makes it difficult to…

动力系统 · 数学 2019-11-06 James Hogg , Maria Fonoberova , Igor Mezic

Understanding the structure of Earth's polar ice sheets is important for modeling how global warming will impact polar ice and, in turn, the Earth's climate. Ground-penetrating radar is able to collect observations of the internal structure…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Yuchen Wang , Mingze Xu , John Paden , Lora Koenig , Geoffrey Fox , David Crandall

In this paper we predict sea surface salinity (SSS) in the Arctic Ocean based on satellite measurements. SSS is a crucial indicator for ongoing changes in the Arctic Ocean and can offer important insights about climate change. We…

应用统计 · 统计学 2024-04-09 Bora Jin , Amy H. Herring , David Dunson

Accurately forecasting Arctic sea ice from subseasonal to seasonal scales has been a major scientific effort with fundamental challenges at play. In addition to physics-based earth system models, researchers have been applying multiple…

大气与海洋物理 · 物理学 2022-02-09 Sahara Ali , Yiyi Huang , Xin Huang , Jianwu Wang

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

Continuous observation of climate indicators, such as trends in lake freezing, is important to understand the dynamics of the local and global climate system. Consequently, lake ice has been included among the Essential Climate Variables…

计算机视觉与模式识别 · 计算机科学 2020-10-28 Manu Tom , Rajanie Prabha , Tianyu Wu , Emmanuel Baltsavias , Laura Leal-Taixe , Konrad Schindler

Glaciers are losing ice mass at unprecedented rates, increasing the need for accurate, year-round monitoring to understand frontal ablation, particularly the factors driving the calving process. Deep learning models can extract calving…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Nora Gourmelon , Marcel Dreier , Martin Mayr , Thorsten Seehaus , Dakota Pyles , Matthias Braun , Andreas Maier , Vincent Christlein

In this study we perform online sea ice bias correction within a GFDL global ice-ocean model. For this, we use a convolutional neural network (CNN) which was developed in a previous study (Gregory et al., 2023) for the purpose of predicting…

大气与海洋物理 · 物理学 2024-02-01 William Gregory , Mitchell Bushuk , Yongfei Zhang , Alistair Adcroft , Laure Zanna

Deep learning methods have surpassed the performance of traditional techniques on a wide range of problems in computer vision, but nearly all of this work has studied consumer photos, where precisely correct output is often not critical. It…

计算机视觉与模式识别 · 计算机科学 2018-07-24 Mingze Xu , Chenyou Fan , John D Paden , Geoffrey C Fox , David J Crandall

Arctic sea ice plays an important role in the global climate. Sea ice models governed by physical equations have been used to simulate the state of the ice including characteristics such as ice thickness, concentration, and motion. More…

Deploying deep learning on Synthetic Aperture Radar (SAR) data is becoming more common for mapping purposes. One such case is sea ice, which is highly dynamic and rapidly changes as a result of the combined effect of wind, temperature, and…

计算机视觉与模式识别 · 计算机科学 2023-10-27 Morteza Karimzadeh , Rafael Pires de Lima

Sea surface temperature (SST) is a fundamental determinant of global climate dynamics and economic activity. Reliable projections of future SST patterns depend critically on a rigorous characterization of the underlying spatial random…

统计方法学 · 统计学 2026-05-07 Leonardo Marchesin , Alessandra Menafoglio , Piercesare Secchi

Sea ice is crucial in many natural processes and human activities. Understanding the dynamical couplings between the inception, growth and equilibrium of sea ice and the rich fluid mechanical processes occurring at its interface and…

流体动力学 · 物理学 2023-04-14 Yihong Du , Ziqi Wang , Linfeng Jiang , Enrico Calzavarini , Chao Sun

As an increasing amount of remote sensing data becomes available in the Arctic Ocean, data-driven machine learning (ML) techniques are becoming widely used to predict sea ice velocity (SIV) and sea ice concentration (SIC). However, fully…

机器学习 · 计算机科学 2025-10-21 Younghyun Koo , Maryam Rahnemoonfar

The diminishing extent of Arctic sea ice is a key indicator of climate change as well as an accelerant for future global warming. Since 1978, Arctic sea ice has been measured using satellite-based microwave sensing; however, different…

Object detection and instance segmentation in remote sensing images is a fundamental and challenging task, due to the complexity of scenes and targets. The latest methods tried to take into account both the efficiency and the accuracy of…

计算机视觉与模式识别 · 计算机科学 2020-08-31 Zhenhang Huang , Shihao Sun , Ruirui Li

Synthetic Aperture Radar (SAR) constitutes a fundamental asset for wide-areas monitoring with high-resolution requirements. The first SAR sensors have given rise to coarse coastal and maritime monitoring applications, including oil spill,…

图像与视频处理 · 电气工程与系统科学 2019-10-15 Leonardo De Laurentiis , Andrea Pomente , Fabio Del Frate , Giovanni Schiavon

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 key challenges, such as the subtle nature of ice…

计算机视觉与模式识别 · 计算机科学 2026-05-29 Mabel Heffring , Lincoln Linlin Xu

Accurate global glacier mapping is critical for understanding climate change impacts. Despite its importance, automated glacier mapping at a global scale remains largely unexplored. Here we address this gap and propose…

计算机视觉与模式识别 · 计算机科学 2025-01-06 Konstantin A. Maslov , Claudio Persello , Thomas Schellenberger , Alfred Stein

The accurate prediction and estimation of annual snow accumulation has grown in importance as we deal with the effects of climate change and the increase of global atmospheric temperatures. Airborne radar sensors, such as the Snow Radar,…

机器学习 · 计算机科学 2023-06-26 Benjamin Zalatan , Maryam Rahnemoonfar