Earth Sciences

Impact of tides and sea-level on deep-sea Arctic methane emissions

N. Sultan, A. Plaza-faverola, et al.

This groundbreaking study by authors Nabil Sultan, Andreia Plaza-Faverola, Sunil Vadakkepuliyambatta, Stefan Buenz, and Jochen Knies explores how sub-sea Arctic methane and gas hydrate reservoirs are challenged by rising ocean temperatures and sea levels. Discover how tidal patterns influence gas emissions, potentially affecting future Arctic emissions dynamics.

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Playback language: English

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Abstract

Sub-sea Arctic methane and gas hydrate reservoirs are expected to be severely impacted by ocean temperature increase and sea-level rise. This study reports on continuous pore-pressure and temperature measurements in shallow sediments along the west-Svalbard margin, revealing that tides significantly affect the intensity and periodicity of gas emissions. High tides seem to reduce emission height and volume, raising the question of whether sea-level rise might partially counterbalance the threat of increased emissions from a warmer Arctic Ocean.

Publisher

NATURE COMMUNICATIONS

Published On

Oct 09, 2020

Authors

Nabil Sultan, Andreia Plaza-Faverola, Sunil Vadakkepuliyambatta, Stefan Buenz, Jochen Knies

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