Stable isotopic composition of riverine dissolved inorganic carbone of the Xijiang River Inner Estuary
physicochemical parameter were examined along the Xijiang River Inner Estuarine waterway from September 2006 to June 2007. There was a striking seasonal variation on the average δC13. The riverine δC13(DIC) was controlled by decomposed condition of the riverine
gauging station to the Modaomen outlet, the δC13(DIC) spatio-temporal variation was closely related to the geographical environment of the Xijiang drainage basin.