Which process causes increased methane release from Arctic slopes experiencing thermokarst?

💡 Explanation

Thermokarst causes permafrost thaw, which increases rates of solifluction (soil creep) because it mobilizes organic material; therefore frozen organic matter decomposes, releasing trapped methane, rather than the other options which pertain to sea level change.

• Which airflow deflection outcome occurs when air masses move poleward from the equator?
• Which landscape feature develops when saturated soil creeps downslope due to freeze-thaw cycles?
• Which effect amplifies coastal erosion when increased wave refraction bends wave fronts?
• Which landform evolves when repetitive thaw-freeze cycles drive solifluction of saturated sediment on slopes?
• Which risk increases when rapid snowmelt significantly raises water levels against a levee system protecting a floodplain?
• Which mechanism causes the formation of unusually deep thermoclines in meromictic lakes?