The water samples of the surface layer sampled in the lower Yangtze River from June 2003 to July 2005 were used for determination of dissolved organic carbon (DOC) and particulate organic carbon (POC).

• 2003年6月~2005年7月在长江口每月采集表层水样；测定溶解有机碳(DOC)和颗粒有机碳(POC).