"Methane flux" refers to the movement or flow of methane gas. It signifies the transfer of methane from one place to another, such as its release into the atmosphere or its absorption by the ground or water bodies. Full definition
When the temperature is below 17 degree Celsius, it becomes a key driver of methane flux. (natureworldnews.com)
Miller, S. M., et al. (2016), A multiyear estimate of methane fluxes in Alaska from CARVE atmospheric observations, Global Biogeochem. (eos.org)
Shakhova, N., et al. (2015), The East Siberian Arctic Shelf: Towards further assessment of permafrost - related methane fluxes and role of sea ice, Philos. (eos.org)