Search Results for author: Younghyun Koo

Found 4 papers, 0 papers with code

Physics-Informed Machine Learning On Polar Ice: A Survey

no code implementations30 Apr 2024 Zesheng Liu, Younghyun Koo, Maryam Rahnemoonfar

The mass loss of the polar ice sheets contributes considerably to ongoing sea-level rise and changing ocean circulation, leading to coastal flooding and risking the homes and livelihoods of tens of millions of people globally.

Graph Neural Networks as Fast and High-fidelity Emulators for Finite-Element Ice Sheet Modeling

no code implementations7 Feb 2024 Maryam Rahnemoonfar, Younghyun Koo

Although the finite element approach of the Ice-sheet and Sea-level System Model (ISSM) solves ice dynamics problems governed by Stokes equations quickly and accurately, such numerical modeling requires intensive computation on central processing units (CPU).

Graph Attention

Multi-task Deep Convolutional Network to Predict Sea Ice Concentration and Drift in the Arctic Ocean

no code implementations31 Oct 2023 Younghyun Koo, Maryam Rahnemoonfar

The weight values of the WAMs imply that SIC information plays a more critical role in SID prediction, compared to that of SID information in SIC prediction, and information sharing is more active in sea ice edges (seasonal sea ice) than in the central Arctic (multi-year sea ice).

Toward Polar Sea-Ice Classification using Color-based Segmentation and Auto-labeling of Sentinel-2 Imagery to Train an Efficient Deep Learning Model

no code implementations8 Mar 2023 Jurdana Masuma Iqrah, Younghyun Koo, Wei Wang, Hongjie Xie, Sushil Prasad

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.

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