Wind- and tidal driven ambient noise in seasonally ice-covered waters north of the Svalbard archipelago | Zendy

Dag Tollefsen | Zendy; Helge Buen | Zendy

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Wind- and tidal driven ambient noise in seasonally ice-covered waters north of the Svalbard archipelago

Author(s) -

Dag Tollefsen,

Helge Buen

Publication year - 2022

Publication title -

jasa express letters

Language(s) - English

Resource type - Journals

ISSN - 2691-1191

DOI - 10.1121/10.0013687

Subject(s) - archipelago , sea ice , arctic ice pack , wind speed , drift ice , oceanography , geology , arctic , ambient noise level , antarctic sea ice , noise (video) , sea ice thickness , sea ice concentration , environmental science , fast ice , current (fluid) , atmospheric sciences , climatology , sound (geography) , artificial intelligence , computer science , image (mathematics)

This paper presents analysis of a 1-year (2018-2019) recording of ambient noise (40-2000 Hz) at a seasonally ice-covered location on the continental slope between the Svalbard archipelago and the Nansen Basin, northeast Atlantic Arctic. Time series of ambient noise show highest correlations with ice concentration and wind speed. A log-wind speed regression model is fitted to spectral noise data for three categories of ice concentration. Wind-speed dependence decreases with increasing ice concentration and increases with frequency, except at high ice concentration. Periodicity in noise during the ice-covered season is related to the M2 and M4 tidal current constituents.

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