Fig. 7: Conceptual model of gas emissions. | Nature Communications

Fig. 7: Conceptual model of gas emissions.

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

Fig. 7

Schematic model showing how gas emissions may be affected by tides through fracture opening. a At high tides the system is under a balanced pressure field. b At low tides (<1 m water column height decrease) a subtle fracture dilation would shift the pressure field to favor gas advection and seepage. Pg stands for free gas pressure.

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