[HTML][HTML] Acoustic travel-time variability observed on a 150-km radius tomographic array in the Canada Basin during 2016–2017

PF Worcester, MA Dzieciuch, HJ Vazquez… - The Journal of the …, 2023 - pubs.aip.org
The Arctic Ocean is undergoing dramatic changes in response to increasing atmospheric
concentrations of greenhouse gases. The 2016–2017 Canada Basin Acoustic Propagation …

[HTML][HTML] Observations of the space/time scales of Beaufort Sea acoustic duct variability and their impact on transmission loss via the Mode Interaction Parameter

M Kucukosmanoglu, JA Colosi, PF Worcester… - The Journal of the …, 2023 - pubs.aip.org
The Beaufort duct (BD) is a subsurface sound channel in the western Arctic Ocean formed
by cold Pacific Winter Water (PWW) sandwiched between warmer Pacific Summer Water …

[HTML][HTML] Introduction to the special issue on ocean acoustics in the changing arctic

PF Worcester, M Badiey, H Sagen - … Journal of the Acoustical Society of …, 2022 - pubs.aip.org
This paper introduces the Special Issue of The Journal of the Acoustical Society of America
on Ocean Acoustics in the Changing Arctic. The special issue includes papers on ocean …

[HTML][HTML] Under-ice mid-frequency acoustic transmission and communication in two Arctic Ocean environments

D Tollefsen, P van Walree, T Jenserud… - JASA Express …, 2023 - pubs.aip.org
This paper presents data from mid-frequency (4–8 kHz) under-ice acoustic transmission and
communication experiments in the Nansen Basin and in the Beaufort Sea of the Arctic …

Research and experimental verification on low-frequency long-range underwater sound propagation dispersion characteristics under dual-channel sound speed …

J Weng, Y Qi, Y Yang, H Wen, H Zhou… - arXiv preprint arXiv …, 2023 - arxiv.org
The dual-channel sound speed profiles of the Chukchi Plateau and the Canadian Basin
have become current research hotspots due to their excellent low-frequency sound signal …

Adaptive Mode Filtering for Arctic Environments

B Chakrabarti, KE Wage - OCEANS 2022, Hampton Roads, 2022 - ieeexplore.ieee.org
Ocean acoustic tomography uses measured mode and ray travel times to infer properties of
the waveguide. Tomographic experiments often employ broadband sources transmitting …

Mode Estimation Using Sub-band Processing for LFM Reception

B Chakrabarti, KE Wage - 2023 57th Asilomar Conference on …, 2023 - ieeexplore.ieee.org
Acoustic mode estimation is used in ocean tomography to infer ocean properties. Ocean
acoustic experiments such as CAATEX [1] and CANAPE [2] use linear frequency modulated …