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Global climate models typically operate at a grid resolution of hundreds of kilometers and fail to resolve atmospheric mesoscale processes, e.g., clouds, precipitation, and gravity waves (GWs). Model representation of these processes and…

大气与海洋物理 · 物理学 2024-11-15 Aman Gupta , Aditi Sheshadri , Sujit Roy , Vishal Gaur , Manil Maskey , Rahul Ramachandran

Machine Learning (ML) has shown great promise in revolutionizing weather forecasting, yet most ML systems still rely on initial conditions generated by Numerical Weather Prediction (NWP) systems. End-to-end ML models aim to eliminate this…

Climate system models (CSMs), through integrating cross-sphere interactions among the atmosphere, ocean, land, and cryosphere, have emerged as pivotal tools for deciphering climate dynamics and improving forecasting capabilities. Recent…

机器学习 · 计算机科学 2025-05-13 Chenguang Zhou , Lei Chen , Xiaohui Zhong , Bo Lu , Hao Li , Libo Wu , Jie Wu , Jiahui Hu , Zesheng Dou , Pang-Chi Hsu , Xiaoye Zhang

The midlatitude climate and weather are shaped by storms, yet the factors governing their predictability remain insufficiently understood. Here, we use a Convolutional Neural Network (CNN) to predict and quantify uncertainty in the…

大气与海洋物理 · 物理学 2025-10-30 Wuqiushi Yao , Or Hadas , Yohai Kaspi

In this paper we discuss and address the challenges of predicting extreme atmospheric events like intense rainfall, hail, and strong winds. These events can cause significant damage and have become more frequent due to climate change.…

大气与海洋物理 · 物理学 2023-10-06 Mikhail Mozikov , Ilya Makarov , Alexandr Bulkin , Daria Taniushkina , Roland Grinis , Yury Maximov

Global warming leads to the increase in frequency and intensity of climate extremes that cause tremendous loss of lives and property. Accurate long-range climate prediction allows more time for preparation and disaster risk management for…

Long-term time series forecasting (LTSF) involves predicting a large number of future values of a time series based on the past values. This is an essential task in a wide range of domains including weather forecasting, stock market…

Satellite images have become increasingly valuable for modelling regional climate change effects. Earth surface forecasting represents one such task that integrates satellite images with meteorological data to capture the joint evolution of…

机器学习 · 计算机科学 2024-08-13 Tushar Verma , Sudipan Saha

Flood prediction is a critical challenge in the context of climate change, with significant implications for ecosystem preservation, human safety, and infrastructure protection. In this study, we tackle this problem by applying the…

量子物理 · 物理学 2024-07-12 Chu-Hsuan Abraham Lin , Chen-Yu Liu , Kuan-Cheng Chen

In this paper, we introduce Masked Multi-Step Multivariate Forecasting (MMMF), a novel and general self-supervised learning framework for time series forecasting with known future information. In many real-world forecasting scenarios, some…

机器学习 · 计算机科学 2022-09-30 Yiwei Fu , Honggang Wang , Nurali Virani

Multivariate time-series (MTS) forecasting is fundamental to applications ranging from urban mobility and resource management to climate modeling. While recent generative models based on denoising diffusion have advanced state-of-the-art…

机器学习 · 计算机科学 2025-11-21 Seyed Mohamad Moghadas , Bruno Cornelis , Adrian Munteanu

Predicting the demand for electricity with uncertainty helps in planning and operation of the grid to provide reliable supply of power to the consumers. Machine learning (ML)-based demand forecasting approaches can be categorized into (1)…

机器学习 · 计算机科学 2023-02-15 Yiwei Fu , Nurali Virani , Honggang Wang

A calibration of the mixing-length parameter in the local mixing-length theory (MLT) is presented for the lower part of the convection zone in pure-hydrogen atmosphere white dwarfs. The parameterization is performed from a comparison of 3D…

太阳与恒星天体物理 · 物理学 2015-06-23 P. -E. Tremblay , H. -G. Ludwig , B. Freytag , G. Fontaine , M. Steffen , P. Brassard

We propose a novel methodology for forecasting spatio-temporal data using supervised semi-nonnegative matrix factorization (SSNMF) with frequency regularization. Matrix factorization is employed to decompose spatio-temporal data into…

机器学习 · 统计学 2024-06-21 Keunsu Kim , Hanbaek Lyu , Jinsu Kim , Jae-Hun Jung

Recent studies have shown that by introducing prior knowledge, multi-scale analysis of complex and non-stationary time series in real environments can achieve good results in the field of long-term forecasting. However, affected by…

机器学习 · 计算机科学 2025-05-26 Bin Wang , Heming Yang , Jinfang Sheng

Jilin Province, a core commercial grain production base in China with a mid-temperate continental monsoon climate and significant temperature fluctuations, relies heavily on temperature for agricultural production and ecological security.…

大气与海洋物理 · 物理学 2026-02-24 Xingyue Deng , Xuechen Liang

This study employs physics-informed neural networks (PINNs) to reconstruct multiple flow fields in a transient natural convection system solely based on instantaneous temperature data at an arbitrary moment. Transient convection problems…

流体动力学 · 物理学 2024-10-11 Nagahiro Ohashi , Nam Phuong Nguyen , Leslie K. Hwang , Beomjin Kwon

Numerical Weather Prediction (NWP) models represent sub-grid processes using parameterizations, which are often complex and a major source of uncertainty in weather forecasting. In this work, we devise a simple machine learning (ML)…

大气与海洋物理 · 物理学 2019-03-26 Pablo Rozas Larraondo , Luigi J. Renzullo , Inaki Inza , Jose A. Lozano

Long-term metric self-localization is an essential capability of autonomous mobile robots, but remains challenging for vision-based systems due to appearance changes caused by lighting, weather, or seasonal variations. While…

计算机视觉与模式识别 · 计算机科学 2022-07-06 Lee Clement , Mona Gridseth , Justin Tomasi , Jonathan Kelly

The use of a Numerical Weather Model (NWM) to provide in situ atmosphere information for mapping functions of atmosphere delay has been evaluated using Very Long Baseline Interferometry (VLBI) data spanning eleven years. Parameters required…

地球物理 · 物理学 2007-05-23 A. Niell , L. Petrov