supported by the National Natural Science Foundation of China (Grant Nos.40601092 and 40873066);National Basic Research Program of China(Grant No. 2005CB422004);Postdoctoral Science Foundation of China(Grant No. 20060390621);Guangdong Scientific & Ttechnological Project (Grant No. 2008A060204003)
The carbon isotopic composition (Δ 14 C,δ 13 C) and apparent ages of suspended sediment were determined in the Pearl River in the years 1998,2000 and 2005.These results indicate that suspended POC consists mostly of...