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Remotely sensed, spatially continuous and high spatiotemporal resolution (hereafter referred to as high resolution) land surface temperature (LST) is a key parameter for studying the thermal environment and has important applications in…

大气与海洋物理 · 物理学 2021-02-23 Penghai Wu , Zhixiang Yin , Chao Zeng , Sibo Duan , Frank-Michael Gottsche , Xiaoshaung Ma , Xinghua Li , Hui Yang , Huanfeng Shen

On-site estimation of sea state parameters is crucial for ship navigation systems' accuracy, stability, and efficiency. Extensive research has been conducted on model-based estimating methods utilizing only ship motion responses. Model-free…

机器学习 · 计算机科学 2023-01-24 Denis Selimović , Franko Hržić , Jasna Prpić-Oršić , Jonatan Lerga

The persistent lack of spatially complete Antarctic sea ice thickness (SIT) data at sub-monthly resolution has fundamentally constrained the quantitative understanding of large-scale sea ice mass balance processes. In this study, a…

地球物理 · 物理学 2025-05-13 Ziqi Ma , Qinghua Yang , Yue Xu , Wen Shi , Xiaoran Dong , Qian Shi , Hao Luo , Jiping Liu , Petteri Uotila , Yafei Nie

The state-of-the-art (SoTA) surface normal estimators (SNEs) generally translate depth images into surface normal maps in an end-to-end fashion. Although such SNEs have greatly minimized the trade-off between efficiency and accuracy, their…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Nan Ming , Yi Feng , Rui Fan

Advances in data assimilation (DA) methods have greatly improved the accuracy of Earth system predictions. To fuse multi-source data and reconstruct the nonlinear evolution missing from observations, geoscientists are developing…

大气与海洋物理 · 物理学 2024-12-19 Qingyu Zheng , Guijun Han , Wei Li , Lige Cao , Gongfu Zhou , Haowen Wu , Qi Shao , Ru Wang , Xiaobo Wu , Xudong Cui , Hong Li , Xuan Wang

Developing surrogate geophysical models from data is a key research topic in atmospheric and oceanic modeling because of the large computational costs associated with numerical simulation methods. Researchers have started applying a wide…

计算物理 · 物理学 2020-08-14 Romit Maulik , Romain Egele , Bethany Lusch , Prasanna Balaprakash

Overshooting tops (OTs) are informative indicators of convective storm intensity and are widely utilized in meteorological analyses. This study presents an automated algorithm for OT detection and OT height estimation using convolutional…

大气与海洋物理 · 物理学 2025-09-17 Anežka Doležalová , Jakub Seidl , Jindřich Šťástka , Ján Kaňák

Ocean dynamics are often sidelined in exoplanet climate studies due to the high computational cost of fully coupled atmosphere-ocean general circulation models (GCMs). However, ocean heat transport (OHT) can play a critical role in shaping…

We report on the retrieval of directional sea-roughness (the full directional mean square slope, including MSS, direction and isotropy) through inversion of Global Navigation Satellite System Reflections (GNSS-R) and SOlar REflectance…

大气与海洋物理 · 物理学 2007-05-23 O. Germain , G. Ruffini , F. Soulat , M. Caparrini , B. Chapron , P. Silvestrin

Urban water is important for the urban ecosystem. Accurate and efficient detection of urban water with remote sensing data is of great significance for urban management and planning. In this paper, we proposed a new method to combine Google…

计算机视觉与模式识别 · 计算机科学 2024-05-21 Yudie Wang , Zhiwei Li , Chao Zeng , Gui-Song Xia , Huanfeng Shen

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

The Ice, Cloud, and Elevation Satellite-2 (ICESat-2) provides high-resolution measurements of sea ice height. Recent studies have developed machine learning methods on ICESat-2 data, primarily focusing on surface type classification.…

机器学习 · 计算机科学 2025-04-29 Daehyeon Han , Morteza Karimzadeh

A dataset of sea surface temperature (SST) estimates is generated from the temperature observations of surface drifting buoys of NOAA's Global Drifter Program. Estimates of SST at regular hourly time steps along drifter trajectories are…

大气与海洋物理 · 物理学 2022-09-01 Shane Elipot , Adam Sykulski , Rick Lumpkin , Luca Centurioni , Mayra Pazos

Ship detection from satellite imagery using Deep Learning (DL) is an indispensable solution for maritime surveillance. However, applying DL models trained on one dataset to others having differences in spatial resolution and radiometric…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Tran-Vu La , Minh-Tan Pham , Marco Chini

This letter proposes a novel approach for compensating target height data in 2D seabed mosaicking for low-visibility underwater perception. Acoustic cameras are effective sensors for sensing the marine environments due to their…

机器人学 · 计算机科学 2024-11-20 Xiaoteng Zhou , Yusheng Wang , Katsunori Mizuno

Snow Water-Equivalent (SWE) -- the amount of water available if snowpack is melted -- is a key decision variable used by water management agencies to make irrigation, flood control, power generation and drought management decisions. SWE…

The rapid expansion of advanced low-Earth orbit (LEO) satellites in large constellations is positioning space assets as key to the future, enabling global internet access and relay systems for deep space missions. A solution to the…

计算机视觉与模式识别 · 计算机科学 2025-05-06 Wenxuan Zhang , Peng Hu

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

Due to the wavelength-dependent light attenuation, refraction and scattering, underwater images usually suffer from color distortion and blurred details. However, due to the limited number of paired underwater images with undistorted images…

图像与视频处理 · 电气工程与系统科学 2022-11-23 Qi Qi , Kunqian Li , Haiyong Zheng , Xiang Gao , Guojia Hou , Kun Sun

The growing density of satellites in low-Earth orbit (LEO) presents serious challenges to space sustainability, primarily due to the increased risk of in-orbit collisions. Traditional ground-based tracking systems are constrained by latency…

图像与视频处理 · 电气工程与系统科学 2025-08-04 Peng Hu , Wenxuan Zhang