利用低温探测器推断被动海冰厚度。

IF 1.2 Q3 ACOUSTICS
D Benjamin Reeder, John E Joseph, S Kyle Wheeler
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引用次数: 0

摘要

北极海冰的机械特性可以通过观测冰内传播的压缩波、剪切波和挠曲波来推断。20 世纪 80 年代,用铅球或大锤砸向海冰产生脉冲信号,推断需要观测波速。在 ICEX20 和 ARCEX23 期间,对自然发生的压缩波共振进行了被动式低温记录仪观测。据推断,ICEX20 和 ARCEX23 期间的第一年平均冰厚分别为 1.3 米和 1.6 米;这与独立观测结果一致,并表明有可能对海冰厚度进行远程自主监测。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Passive sea ice thickness inference using cryophones.

Mechanical properties of Arctic sea ice can be inferred by observations of in-ice propagation of compressional, shear, and flexural waves. During the 1980s, impulsive signals were generated by a lead ball or sledgehammer dropped onto the sea ice, and the inference required observation of wave speeds. During ICEX20 and ARCEX23, passive cryophone observations were made of naturally occurring compressional wave resonances. Average first-year ice thicknesses during ICEX20 and ARCEX23 were inferred to be 1.3 and 1.6 m, respectively; these are consistent with independent observations and indicate the potential for remote, autonomous monitoring of sea ice thickness.

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CiteScore
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