Multilayer distribution of carbon dioxide system in surface water of the Yellow Sea in spring

Haidong Gong; Zhengbin Zhang; Chuang Zhang; Liansheng Liu; Lei Xing

doi:10.1007/s00343-007-0001-4

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Multilayer distribution of carbon dioxide system in surface water of the Yellow Sea in spring

OriginalPaper | Updated：2023-05-16

- Multilayer distribution of carbon dioxide system in surface water of the Yellow Sea in spring
- Multilayer distribution of carbon dioxide system in surface water of the Yellow Sea in spring
- 海洋湖沼学报（英文） 2007年25卷第1期页码：1-15
- Affiliations：
  
  Institute of Marine Chemistry Ocean University of China
- Author bio：
- Funds：
  
  Supported by the Major Project of the NSFC (No.40490263);the NSFC (No.40076020, 40376022);the National Basic Research Program of China (973 Program) (No.2001CB409700);the Doctoral Program for Higher Education (No.20030423007). This paper was reported in the international conference “the First Workshop on Asian Dust and Ocean Ecosystem” in Weihai, China, 12–15;th;, Oct., 2005.
- DOI：10.1007/s00343-007-0001-4
  中图分类号：
- 纸质出版：2007
- Accepted：
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Multilayer distribution of carbon dioxide system in surface water of the Yellow Sea in spring[J]. 海洋湖沼学报（英文）, 2007,25(1):1-15.

Gong, H., Zhang, Z., Zhang, C. et al. Multilayer distribution of carbon dioxide system in surface water of the Yellow Sea in spring., Chin. J. Ocean. Limnol. 25, 1–15 (2007). https://doi.org/10.1007/s00343-007-0001-4
Multilayer distribution of carbon dioxide system in surface water of the Yellow Sea in spring[J]. 海洋湖沼学报（英文）, 2007,25(1):1-15. DOI： 10.1007/s00343-007-0001-4.

Gong, H., Zhang, Z., Zhang, C. et al. Multilayer distribution of carbon dioxide system in surface water of the Yellow Sea in spring., Chin. J. Ocean. Limnol. 25, 1–15 (2007). https://doi.org/10.1007/s00343-007-0001-4 DOI：

摘要

Abstract

Surface water can be divided into three layers from top downward: surface microlayer (SML

thickness ⩽ 50 μm)

subsurface layer (SSL

≈25 cm) and surface layer (SL

1–5m)

among which the SML plays an important role on sea-air interaction because of its unique physical-chemical property. Carbon dioxide system including DIC (dissolved inorganic carbon)

Alk (alkalinity)

pH and pCO2 (partial pressure of CO2) in multilayered waters of the Yellow Sea was studied for the first time in March and May 2005. The results show that: DIC and Alk are obviously enriched in SML. The contents of DIC

Alk and pCO2 become lower in turn from SML

SSL to SL

higher in March and lower in May

whereas for pH it was opposite. The relationship between DIC and Alk is clearly positive

but negative between pH and pCO2. Meanwhile

pCO2 and temperature/salinity is also in positive relation

pCO2 decreases with latitude increase. DIC and Alk show a similar variation trend with the maximum at 02:00–03:00

but pH and pCO2 show an opposite pattern. In addition

the distribution patterns are similar to each other in the three layers. The Yellow Sea is shown to be a sink of atmospheric CO2 in spring by two methods: (1) comparing pCO2 in seawater and atmosphere; (2) turning direction of “pH-depth” curve. Calculation on the base of pCO2 data in SML in four models shows that carbon flux in spring in the area was about −6.96×106 t C.

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