Estimating Arctic Ocean Acoustic Travel Times Using an Earth System Model

被引:2
|
作者
Niklasson, S. M. [1 ,2 ]
Veneziani, M. [1 ]
Rowe, C. A. [1 ]
Worcester, P. F. [3 ]
Dzieciuch, M. A. [3 ]
Bilek, S. L. [2 ]
Price, S. F. [1 ]
Roberts, A. F. [1 ]
机构
[1] Los Alamos Natl Lab, Los Alamos, NM 87544 USA
[2] New Mexico Inst Min & Technol, Socorro, NM 87801 USA
[3] Univ Calif San Diego, Scripps Inst Oceanog, San Diego, CA USA
关键词
Arctic Ocean; ocean acoustics; Earth System Model; climate; BEAUFORT SEA; ICE; SOUND; HALOCLINE;
D O I
10.1029/2022GL102216
中图分类号
P [天文学、地球科学];
学科分类号
07 ;
摘要
The hydroacoustic environment of a rapidly warming Arctic Ocean will be impacted by interconnected changes in the physical environment and increased human activity. Previous acoustic calculations will need to be updated to reflect current and future conditions. Earth System Models are important tools for making projections of changes in a wide range of physical processes under future climates. We present a comparison of Arctic acoustic travel times based on output from the Department of Energy's Energy Exascale Earth System Model with measured travel times from the 2016-2017 Canada Basin Acoustic Propagation Experiment and with travel times predicted by empirical temperature and salinity observations. This comparison allows us to test the impact of changes in Arctic sound speed profiles on acoustic travel times and connects Arctic hydroacoustics with the changing Arctic environment as described by a climate model.
引用
收藏
页数:8
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