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ZHANG Naixing, SUN Xu, CAO Conghua, REN Rongzhu, TAO Huihui, SUN Bin, WANG Jianyong, HOU Jiling, YU Yang. Distribution characteristics and source/sink changes of dissolved inorganic carbon around the Bohai Strait in winter[J]. Haiyang Xuebao, 2012, 34(6): 94-101.
Citation: ZHANG Naixing, SUN Xu, CAO Conghua, REN Rongzhu, TAO Huihui, SUN Bin, WANG Jianyong, HOU Jiling, YU Yang. Distribution characteristics and source/sink changes of dissolved inorganic carbon around the Bohai Strait in winter[J]. Haiyang Xuebao, 2012, 34(6): 94-101.

Distribution characteristics and source/sink changes of dissolved inorganic carbon around the Bohai Strait in winter

  • Received Date: 2011-12-30
  • Rev Recd Date: 2012-05-09
  • The field observation was carried out in Febuary 2010 to March 2010. A total of 39 stations was established three transects. Based on the data collected, the composition and distribution of dissolved inorganic carbon(DIC) were examined in 0 m, 10 m, 30 m depth and H Section. The results showed that the concentration of DIC and it's parameters in each depth were similar. The concentration of DIC and HCO3- decreasing from southwest to northeast. Temperature has important influence on the distribution of DIC and HCO3-. The relationship between p(CO2) and chlorophyll-a was negative. In H section, the distribution of DIC and it's parameters of middle section were more complicated than the other section. The CO2 flux at the Bohai Strait was 3.52 mmol/(m2·d), which shows that this area was the source of CO2 in winter. The DIC flux flowed from the Bohai Strait was (130±2)×103 mol/s.
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