Evaluation of the Arctic Sea-Ice Simulation on SODA3 Datasets

作     者：Zhicheng GE Xuezhu WANG Xidong WANG Zhicheng GE;Xuezhu WANG;Xidong WANG

作者机构：Key Laboratory of Marine Hazards ForecastingMinistry of Natural ResourcesHohai UniversityNanjing 210098China Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai)Zhuhai 519000China Key Laboratory of Marine Science and Numerical ModelingMinistry of Natural ResourcesQingdao 266061China 

出 版 物：《Advances in Atmospheric Sciences》 (大气科学进展（英文版）)

年 卷 期：2023年第40卷第12期

页      面：2302-2317页

核心收录：

学科分类：07[理学] 08[工学] 0707[理学-海洋科学] 0816[工学-测绘科学与技术] 0706[理学-大气科学] 

基　　金：supported by the Opening Project of Key Laboratory of Marine Science and Numerical Modeling, MNR (2020-ZD-01) the Special Funds for Creative Research (2022C61540) the National Natural Science Foundation (Grant Nos. 41776004, 41876224) the Fundamental Research Funds for the Central Universities (B210203020) the Opening Project of Key Laboratory of Marine Environmental Information Technology (20195052912) 

主　　题：Arctic sea-ice SODA3 simulation and evaluation sources of model error 

摘      要：This study evaluates the Arctic sea-ice simulation of the SODA3 dataset driven by different atmospheric forcing fields and explores the errors of the Arctic sea-ice simulation caused by the forcing field.We find that the SODA3 data driven by different forcing fields represent a significant systematical error in the simulation of Arctic sea-ice concentration,showing a low concentration of thick ice and a high concentration of thin ice.In terms of sea-ice extent,the SODA3 data from different versions well characterize the interannual variability and declining trend in the observed data,but they overestimate the overall Arctic sea-ice extent,which is related to excessive simulation of ice in the sea-ice margin.Compared to observations,all the chosen SODA3 reanalysis versions driven by different atmospheric forcing generally tend to underestimate the Arctic sea-ice thickness,especially for thick ice in the multi-year sea-ice regions.Inaccurate simulations of Arctic sea-ice transport may partly explain the error in SODA3 sea-ice thickness in multi-year sea-ice areas.The results of different SDOA3 versions differ greatly in the Beaufort Sea,the Fram Strait,and the Central Arctic Sea.The difference in sea-ice thickness among different SODA3 versions is primarily due to the thermodynamic contribution,which may come from the diversity of atmospheric forcing fields.Our work provides a reference for using SODA3 data to study Arctic sea ice.