中文
相关论文

相关论文: Physical Consistency of Aurora's Encoder: A Quanti…

200 篇论文

AI weather foundation models now achieve forecast skill comparable to numerical weather prediction at far lower computational cost, yet their predictability for high-impact extremes across dynamical regimes remains uncertain. We evaluate…

大气与海洋物理 · 物理学 2026-03-09 Qin Huang , Moyan Liu , Yeongbin Kwon , Upmanu Lall

Recent advances in AI weather forecasting have led to the emergence of so-called "foundation models", typically defined by expensive pretraining and minimal fine-tuning for downstream tasks. However, in the natural sciences, a desirable…

机器学习 · 计算机科学 2025-06-25 Fanny Lehmann , Firat Ozdemir , Benedikt Soja , Torsten Hoefler , Siddhartha Mishra , Sebastian Schemm

Reliable forecasts of the Earth system are crucial for human progress and safety from natural disasters. Artificial intelligence offers substantial potential to improve prediction accuracy and computational efficiency in this field, however…

The GREAT observations need frequency-selective calibration across the passband for the residual atmospheric opacity at flight altitude. At these altitudes the atmospheric opacity has both narrow and broad spectral features. To determine…

天体物理仪器与方法 · 物理学 2012-03-09 Xin Guan , Jürgen Stutzki , Urs U. Graf , Rolf Güsten , Yoko Okada , Miguel Angel Requena Torres , Robert Simon , Helmut Wiesemeyer

Data-driven models are revolutionizing weather forecasting. To optimize training efficiency and model performance, this paper analyzes empirical scaling laws within this domain. We investigate the relationship between model performance…

机器学习 · 计算机科学 2026-02-27 Yuejiang Yu , Langwen Huang , Alexandru Calotoiu , Torsten Hoefler

High resolution spectra of quasar absorption systems provide the best constraints on temporal or spatial changes of fundamental constants in the early universe. An important systematic that has never before been quantified concerns model…

宇宙学与河外天体物理 · 物理学 2021-08-25 Chung-Chi Lee , John K. Webb , Dinko Milaković , Robert F. Carswell

The accurate prediction of oceanographic variables is crucial for understanding climate change, managing marine resources, and optimizing maritime activities. Traditional ocean forecasting relies on numerical models; however, these…

机器学习 · 计算机科学 2025-10-30 Víctor Medina , Giovanny A. Cuervo-Londoño , Javier Sánchez

Could it be that AI weather models are solving physical equations, although they may not be the equations used by conventional NWP models? We compute correlations of forecast skill and Centered Kernel Alignment, providing evidence that…

大气与海洋物理 · 物理学 2026-05-25 George Craig , Tobias Selz , Matthias Beylich , Kirsten I. Tempest

We present Aurora, an open-source package for particle transport, neutrals and radiation modeling in magnetic confinement fusion plasmas. Aurora's modern multi-language interface enables simulations of 1.5D impurity transport within…

Long-term stability and physical consistency are critical properties for AI-based weather models if they are going to be used for subseasonal-to-seasonal forecasts or beyond, e.g., climate change projection. However, current AI-based…

流体动力学 · 物理学 2024-12-10 Ashesh Chattopadhyay , Y. Qiang Sun , Pedram Hassanzadeh

Autonomous vehicles rely on a variety of sensors to gather information about their surrounding. The vehicle's behavior is planned based on the environment perception, making its reliability crucial for safety reasons. The active LiDAR…

机器人学 · 计算机科学 2023-06-07 Mariella Dreissig , Dominik Scheuble , Florian Piewak , Joschka Boedecker

Robust generalization under climate change remains a major challenge for machine learning applications in climate science. Most existing approaches struggle to extrapolate beyond the climate they were trained on, leading to a strong…

大气与海洋物理 · 物理学 2025-09-03 Shuchang Liu , Paul A. O'Gorman

Data assimilation (DA) integrates observations with model forecasts to produce optimized atmospheric states, whose physical consistency is critical for stable weather forecasting and reliable climate research. Traditional Bayesian DA…

大气与海洋物理 · 物理学 2026-03-05 Hang Fan , Lei Bai , Ben Fei , Yi Xiao , Kun Chen , Yubao Liu , Yongquan Qu , Fenghua Ling , Pierre Gentine

Cross-domain generalization is very important in Time Series Forecasting because similar historical information may lead to distinct future trends due to the domain-specific characteristics. Recent works focus on building unimodal time…

机器学习 · 计算机科学 2026-03-10 Xingjian Wu , Jianxin Jin , Wanghui Qiu , Peng Chen , Yang Shu , Bin Yang , Chenjuan Guo

Atmospheric retrievals of exoplanetary transmission spectra provide important constraints on various properties such as chemical abundances, cloud/haze properties, and characteristic temperatures, at the day-night atmospheric terminator. To…

地球与行星天体物理 · 物理学 2021-06-09 Luis Welbanks , Nikku Madhusudhan

Studying animal movements is essential for effective wildlife conservation and conflict mitigation. For aerial movements, operational weather radars have become an indispensable data source in this respect. However, partial measurements,…

机器学习 · 计算机科学 2024-08-09 Fiona Lippert , Bart Kranstauber , E. Emiel van Loon , Patrick Forré

This position paper argues that the next generation of artificial intelligence in meteorological and climate sciences must transition from fragmented hybrid heuristics toward a unified paradigm of physics-guided multimodal transformers.…

机器学习 · 计算机科学 2026-01-29 Jing Han , Hanting Chen , Kai Han , Xiaomeng Huang , Wenjun Xu , Dacheng Tao , Ping Zhang

Kilometer-scale weather data is crucial for real-world applications but remains computationally intensive to produce using traditional weather simulations. An emerging solution is to use deep learning models, which offer a faster…

Large data-driven physics models like DeepMind's weather model GraphCast have empirically succeeded in parameterizing time operators for complex dynamical systems with an accuracy reaching or in some cases exceeding that of traditional…

大气与海洋物理 · 物理学 2026-01-01 Theodore MacMillan , Nicholas T. Ouellette

Constructing accurate model-agnostic explanations for opaque machine learning models remains a challenging task. Classification models for high-dimensional data, like images, are often inherently complex. To reduce this complexity,…

机器学习 · 计算机科学 2020-10-26 Georgios Vlassopoulos , Tim van Erven , Henry Brighton , Vlado Menkovski
‹ 上一页 1 2 3 10 下一页 ›