Coal Mining Effects on the Characteristics of Terrestrial Carbon

摘要

It is resulted in tying up the land,subsidence,water damage and etc by mining in coal area with higher level of underground water,Equilibrium conditions of carbon release and absorption are destroyed in coal area too,It will be formed a unique ecological system of land and water complex in coal area with higher level of underground water,There will be all year round and seasonal water area in coal area with higher level of underground water,A semi-wetland is formed,carbon sequestration capacity is very significant,and an important carbon sink area.Carbon effect of before and after coal exploit changed mainly as flux of CO2 and CH4,from the analysis of enhanced capacity of carbon sink and ecological restoration about coal mining subsidence wetland,It should be considered coordination between reclamation,water resources control and the species structure.Ensure the coal mining subsidence wetland area are not led to land-based and vegetation structural damaged,It will play an active role to enhance carbon sequestration ability in terrestrial ecosystems.