Which gas emission regime dominates within persistent lava lakes?

💡 Explanation

Open system degassing determines emission; because magma convection allows continuous gas release rather than pressure buildup. Therefore, continuous background flux dominates, rather than volatile accumulation causing fluctuations from fractional crystallization inside vesicles or local impermeable blockage.

• Which consequence results when excessive irrigation accelerates subsurface dissolution?
• Which landscape outcome increases when freeze-thaw weathering intensifies against bedrock?
• Along which line does increased evaporation rates destabilize ocean stratification, creating localized convection currents?
• Which outcome commonly results following extensive groin construction inhibiting longshore sediment transport near barrier islands?
• Which process limits lava flow distance over low slopes?
• Which consequence results when significant tephra deposition overtops drainage divides?