珠江口水体有机碳的季节性变化-热带海洋学报.pdf

热带海洋学报 JOURNAL OF TROPICAL OCEANOGRAPHY 2016 年 第 35 卷 第 4 期: 4050 海洋化学 doi: 10.11978/2015109 1,2 1 3 1 郭威 , 叶丰 , 连忠廉 , 贾国东 1. , , 510640; 2. , 100049; 3. , 510300 : (particulate organic carbon, POC)(dissolved organic carbon, DOC) , (C/N)a(Chl a)(dissolved oxygen, DO), POCDOC , POC , DOC 5 , POC 8 DOC DOC POC POCDOC , ( 1‰~5‰)POC DOC , POC DOC : ; ; ; ; 中图分类号 + : P734.4 3 文献标识码: A 文章编号: 1009-5470(2016)04-0040-11 Seasonal changes of organic carbon in the Pearl River estuary 1,2 1 3 1 GUO Wei , YE Feng , LIAN Zhonglian , JIA Guodong 1. Chinese Academy of Sciences Key Laboratory of Marginal Sea Geology, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; 2. University of Chinese Academy of Sciences, Beijing 100049, China; 3. South China Sea Environmental Monitoring Center, State Oceanic Administration, Guangzhou 510300, China Abstract: Seasonal distributions of particulate organic carbon (POC) and dissolved organic carbon (DOC) concentrations, as well as their sources, transports and mixing behaviors, in the Pearl River estuary (PRE) are reported in this paper. Samples were collected in November 2013, and in February, May and August 2014. The results suggest that the sources of POC were mainly in situ aquatic phytoplankton, and the source of DOC was