中文
相关论文

相关论文: Resolution-Agnostic Transformer-based Climate Down…

200 篇论文

Climate change is intensifying human heat exposure, particularly in densely built urban centers of the Global South. Low-cost construction materials and high thermal-mass surfaces further exacerbate this risk. Yet scalable methods for…

计算机视觉与模式识别 · 计算机科学 2026-01-19 Steffen Knoblauch , Ram Kumar Muthusamy , Hao Li , Iddy Chazua , Benedcto Adamu , Innocent Maholi , Alexander Zipf

Reanalysis datasets have become indispensable tools for wind resource assessment and wind power simulation, offering long-term and spatially continuous wind fields across large regions. However, they inherently contain systematic wind speed…

We analyze the applicability of convolutional neural network (CNN) architectures for downscaling of short-range forecasts of near-surface winds on extended spatial domains. Short-range wind field forecasts (at the 100 m level) from ECMWF…

大气与海洋物理 · 物理学 2020-12-22 Kevin Höhlein , Michael Kern , Timothy Hewson , Rüdiger Westermann

We present a transfer-learning generative downscaling framework to reconstruct fine resolution satellite images from coarse scale inputs. Our approach combines a lightweight U-Net transfer encoder with a diffusion-based generative model.…

计算机视觉与模式识别 · 计算机科学 2025-12-08 Yang Xiang , Jingwen Zhong , Yige Yan , Petros Koutrakis , Eric Garshick , Meredith Franklin

Precise and reliable climate projections are required for climate adaptation and mitigation, but Earth system models still exhibit great uncertainties. Several approaches have been developed to reduce the spread of climate projections and…

Purpose: Earth system models (ESMs) integrate the interactions of the atmosphere, ocean, land, ice, and biosphere to estimate the state of regional and global climate under a wide variety of conditions. The ESMs are highly complex; thus,…

计算机视觉与模式识别 · 计算机科学 2025-05-27 Ehsan Zeraatkar , Salah Faroughi , Jelena Tešić

The generation of initial conditions via accurate data assimilation is crucial for weather forecasting and climate modeling. We propose DiffDA as a denoising diffusion model capable of assimilating atmospheric variables using predicted…

计算工程、金融与科学 · 计算机科学 2024-06-11 Langwen Huang , Lukas Gianinazzi , Yuejiang Yu , Peter D. Dueben , Torsten Hoefler

Operational Numerical Weather Prediction (NWP) system relies on computationally expensive physics-based models. Recently, transformer models have shown remarkable potential in weather forecasting achieving state-of-the-art results. However,…

机器学习 · 计算机科学 2025-12-02 Hira Saleem , Flora Salim , Cormac Purcell

Deep learning-based, data-driven models are gaining prevalence in climate research, particularly for global weather prediction. However, training the global weather data at high resolution requires massive computational resources.…

机器学习 · 计算机科学 2024-03-19 Minjong Cheon , Yo-Hwan Choi , Seon-Yu Kang , Yumi Choi , Jeong-Gil Lee , Daehyun Kang

Forecasting sea surface currents is essential for applications such as maritime navigation, environmental monitoring, and climate analysis, particularly in regions like the Gulf of Thailand and the Andaman Sea. This paper introduces…

大气与海洋物理 · 物理学 2024-09-27 Teerapong Panboonyuen

High resolution information on climatic conditions is essential to many applications in environmental and ecological sciences. Here we present the CHELSA Climatologies at high resolution for the earths land surface areas data of downscaled…

The transition to green energy grids depends on detailed wind and solar forecasts to optimize the siting and scheduling of renewable energy generation. Operational forecasts from numerical weather prediction models, however, only have a…

计算机视觉与模式识别 · 计算机科学 2021-09-24 Rupa Kurinchi-Vendhan , Björn Lütjens , Ritwik Gupta , Lucien Werner , Dava Newman

The Vision Transformer (ViT) excels in accuracy when handling high-resolution images, yet it confronts the challenge of significant spatial redundancy, leading to increased computational and memory requirements. To address this, we present…

计算机视觉与模式识别 · 计算机科学 2024-02-02 Youbing Hu , Yun Cheng , Anqi Lu , Zhiqiang Cao , Dawei Wei , Jie Liu , Zhijun Li

Driven by global climate change and the ongoing energy transition, the coupling between power supply capabilities and meteorological factors has become increasingly significant. Over the long term, accurately quantifying the power…

机器学习 · 计算机科学 2026-04-30 Xiaochong Dong , Jun Dan , Yingyun Sun , Yang Liu , Xuemin Zhang , Shengwei Mei

Vision Transformers (ViT) have marked a paradigm shift in computer vision, outperforming state-of-the-art models across diverse tasks. However, their practical deployment is hampered by high computational and memory demands. This study…

计算机视觉与模式识别 · 计算机科学 2024-04-17 Feiyang Chen , Ziqian Luo , Lisang Zhou , Xueting Pan , Ying Jiang

Deep learning models are increasingly utilized on resource-constrained edge devices for real-time data analytics. Recently, Vision Transformer and their variants have shown exceptional performance in various computer vision tasks. However,…

计算机视觉与模式识别 · 计算机科学 2025-05-22 Xiang Liu , Yijun Song , Xia Li , Yifei Sun , Huiying Lan , Zemin Liu , Linshan Jiang , Jialin Li

We present a method to downscale idealized geophysical fluid simulations using generative models based on diffusion maps. By analyzing the Fourier spectra of images drawn from different data distributions, we show how one can chain together…

机器学习 · 计算机科学 2023-05-04 Tobias Bischoff , Katherine Deck

In an effort to provide optimal inputs to downstream modeling systems (e.g., a hydrodynamics model that simulates the water circulation of a lake), we hereby strive to enhance resolution of precipitation fields from a weather model by up to…

大气与海洋物理 · 物理学 2020-12-03 Campbell D. Watson , Chulin Wang , Timothy Lynar , Komminist Weldemariam

Deep learning has revolutionized weather forecasting, but many challenges remain, including climate modeling. Moreover, the current landscape remains fragmented: highly specialized models are typically trained individually for distinct…

Climate projections using data driven machine learning models acting as emulators, is one of the prevailing areas of research to enable policy makers make informed decisions. Use of machine learning emulators as surrogates for…

机器学习 · 计算机科学 2023-08-24 Anmol Chaure , Ashok Kumar Behera , Sudip Bhattacharya