Finally, because the effect of temperature, river flux and rain to relative rate constants are contrast to that of temperature to fugacity capacities, the change of relative D parameters is in a disorder fashion. 由于温度、流量、降水和风速等环境因子对相关速率系数的影响与温度对逸度容量的影响正好相反或互相抵消,相应D参数值的年际变化呈现无规律性。