中国主要河流输送陆源碳的同位素特征及影响因素

单森, 齐远志, 罗春乐, 付文静, 薛跃君, 王旭晨

Carbon Isotopic Constrains on the Sources and Controls of the Terrestrial Carbon Transported in the Four Large Rivers in China

Sen Shan, Yuanzhi Qi, Chunle Luo, Wenjing Fu, Yuejun Xue, Xuchen Wang

图4 长江、黄河、珠江和黑龙江年径流量、DIC和DOC浓度以及通量与世界25条大型河流[26,67]平均值对比图 （a）年径流量；（b）DIC、DOC平均浓度；（c）DIC、DOC通量；误差棒表示最大值、最小值

Fig.4 Comparison of discharge, DOC and DIC concentrations, DOC and DIC flux in the Changjiang，Huanghe，Zhujiang and Heilongjiang rivers with the average values[26,67] of the 25 largest rivers in the world （a）The average discharge; (b) Concentrations of DIC and DOC； (c) The fluxes of DIC and DOC；The error bars represent the maximum and minimum values