A deep learning method for bias correction of wind field in the South China Sea

To address the systematic bias in the Global Forecast System (GFS) wind field forecasts, we utilize deep learning techniques. The developed MU - Diffusion framework, based on a diffusion model and MultiUnet (a multitasking Unet model), establishes a nonlinear relationship between GFS and the fifth-g...

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Main Authors: Cong Pang, Tao Song, Handan Sun, Xin Li, Danya Xu
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-01-01
Series:Frontiers in Marine Science
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fmars.2024.1429057/full
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author Cong Pang
Tao Song
Tao Song
Handan Sun
Xin Li
Danya Xu
author_facet Cong Pang
Tao Song
Tao Song
Handan Sun
Xin Li
Danya Xu
author_sort Cong Pang
collection DOAJ
description To address the systematic bias in the Global Forecast System (GFS) wind field forecasts, we utilize deep learning techniques. The developed MU - Diffusion framework, based on a diffusion model and MultiUnet (a multitasking Unet model), establishes a nonlinear relationship between GFS and the fifth-generation EC atmospheric reanalysis (ERA5) data. Focusing on the South China Sea region, this method corrects both wind speed and direction simultaneously. Using 2022 GFS data, we achieved average enhancements of 42% in wind speed and 38.3% in wind direction compared to the initial GFS data. Tests in typhoon conditions also confirm the excellent performance of this architecture.
format Article
id doaj-art-a52f5f4add6c4acc845f1518bb554eb3
institution Kabale University
issn 2296-7745
language English
publishDate 2025-01-01
publisher Frontiers Media S.A.
record_format Article
series Frontiers in Marine Science
spelling doaj-art-a52f5f4add6c4acc845f1518bb554eb32025-01-08T13:24:22ZengFrontiers Media S.A.Frontiers in Marine Science2296-77452025-01-011110.3389/fmars.2024.14290571429057A deep learning method for bias correction of wind field in the South China SeaCong Pang0Tao Song1Tao Song2Handan Sun3Xin Li4Danya Xu5College of Computer Science and Technology, China University of Petroleum, Qingdao, Shandong, ChinaCollege of Computer Science and Technology, China University of Petroleum, Qingdao, Shandong, ChinaDepartment of Artificial Intelligence, Faculty of Computer Science, Polytechnical University of Madrid, Madrid, SpainCollege of Computer Science and Technology, China University of Petroleum, Qingdao, Shandong, ChinaCollege of Computer Science and Technology, China University of Petroleum, Qingdao, Shandong, ChinaGuangdong Laboratory of Marine Science and Engineering, Zhuhai, Guangdong, ChinaTo address the systematic bias in the Global Forecast System (GFS) wind field forecasts, we utilize deep learning techniques. The developed MU - Diffusion framework, based on a diffusion model and MultiUnet (a multitasking Unet model), establishes a nonlinear relationship between GFS and the fifth-generation EC atmospheric reanalysis (ERA5) data. Focusing on the South China Sea region, this method corrects both wind speed and direction simultaneously. Using 2022 GFS data, we achieved average enhancements of 42% in wind speed and 38.3% in wind direction compared to the initial GFS data. Tests in typhoon conditions also confirm the excellent performance of this architecture.https://www.frontiersin.org/articles/10.3389/fmars.2024.1429057/fulldeep learningmu-diffusionSouth China Seabias correctionwind fieldGFS
spellingShingle Cong Pang
Tao Song
Tao Song
Handan Sun
Xin Li
Danya Xu
A deep learning method for bias correction of wind field in the South China Sea
Frontiers in Marine Science
deep learning
mu-diffusion
South China Sea
bias correction
wind field
GFS
title A deep learning method for bias correction of wind field in the South China Sea
title_full A deep learning method for bias correction of wind field in the South China Sea
title_fullStr A deep learning method for bias correction of wind field in the South China Sea
title_full_unstemmed A deep learning method for bias correction of wind field in the South China Sea
title_short A deep learning method for bias correction of wind field in the South China Sea
title_sort deep learning method for bias correction of wind field in the south china sea
topic deep learning
mu-diffusion
South China Sea
bias correction
wind field
GFS
url https://www.frontiersin.org/articles/10.3389/fmars.2024.1429057/full
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