首页|Acoustic Velocity-Based Inversion of the Physical Properties of Sea Ice in the Central Arctic Region

Acoustic Velocity-Based Inversion of the Physical Properties of Sea Ice in the Central Arctic Region

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Studying the Arctic sea ice contributes to a comprehensive understanding of the climate system in polar regions and of-fers valuable insights into the interplay between polar climate change and the global climate and environment.One of the key re-search aspects is the investigation of the temperature,salinity,and density parameters of sea ice to obtain essential insights.During the 11th Chinese National Arctic Research Expedition,acoustic velocity was measured on an ice core at a short-term ice station,however,temperature,salinity,and density were not measured.In the present work,we utilized a genetic algorithm to invert these obtained acous-tic velocity data to sea ice temperature,salinity,and density parameters on the basis of the relationship between acoustic velocity and the physical properties of Arctic summer sea ice.We validated the effectiveness of this inversion procedure by comparing its findings with those of other researchers.The results indicate that within the normalized depth range of 0.43-0.94,the ranges for temperature,salinity,and density are-0.48--0.29℃,1.63-3.35,and 793.1-904.1 kgm-3,respectively.

acoustic velocityArctic sea iceinversion of sea ice propertiesgenetic algorithm

KONG Yadong、XING Junhui、XU Haowei、XU Chong

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Key Laboratory of Submarine Geosciences and Prospecting Techniques,Ministry of Education(MOE)and College of Marine Geosciences,Ocean University of China,Qingdao 266100,China

Laboratory for Marine Mineral Resources,Qingdao Marine Science and Technology Center,Qingdao 266071,China

Fundamental Research Funds for the Central UniversitiesNational Natural Science Foundation of ChinaNational Key R&D Program of China

202262012420762242021YFC2801200

2024

10.1007/s11802-024-5876-6

中国海洋大学学报(自然科学英文版)
中国海洋大学

中国海洋大学学报(自然科学英文版)

CSTPCD
影响因子：0.268
ISSN：1672-5182
年,卷(期)：2024.23(5)
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