pCO2 and carbon fluxes across sea-air interface in the Changjiang Estuary and Hangzhou Bay

Xuelu Gao; Jinming Song; Xuegang Li; Ning Li; Huamao Yuan

doi:10.1007/s00343-008-0289-8

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pCO2 and carbon fluxes across sea-air interface in the Changjiang Estuary and Hangzhou Bay

Updated：2023-05-16

- pCO2 and carbon fluxes across sea-air interface in the Changjiang Estuary and Hangzhou Bay
- Journal of Oceanology and Limnology Vol. 26, Issue 3, Pages: 289-295(2008)
- Affiliations：
  
  1. Key Laboratory of Marine Ecology and Environmental Sciences Institute of Oceanology Chinese Academy of Sciences
  2. Yantai Institute of Coastal Zone Research for Sustainable Development Chinese Academy of Sciences
- Author bio：
- Funds：
- DOI：10.1007/s00343-008-0289-8
  CLC：
- Online First：20 August 2008，
  
  Published：2008
- Accepted：
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Gao, X., Song, J., Li, X. et al. pCO2 and carbon fluxes across sea-air interface in the Changjiang Estuary and Hangzhou Bay., Chin. J. Ocean. Limnol. 26, 289–295 (2008). https://doi.org/10.1007/s00343-008-0289-8
DOI：

Gao, X., Song, J., Li, X. et al. pCO2 and carbon fluxes across sea-air interface in the Changjiang Estuary and Hangzhou Bay., Chin. J. Ocean. Limnol. 26, 289–295 (2008). https://doi.org/10.1007/s00343-008-0289-8 DOI：

摘要

Abstract

Partial pressure of CO2 (pCO2) was investigated in the Changjiang (Yangtze River) Estuary

Hangzhou Bay and their adjacent areas during a cruise in August 2004

China. The data show that pCO2 in surface waters of the studied area was higher than that in the atmosphere with only exception of a patch east of Zhoushan Archipelago. The pCO2 varied from 168 to 2 264 μatm

which fell in the low range compared with those of other estuaries in the world. The calculated sea-air CO2 fluxes decreased offshore and varied from −10.0 to 88.1 mmol m−2 d−1 in average of 24.4 ± 16.5 mmol m−2 d−1. Although the area studied was estimated only 2 × 104 km2

it emitted (5.9 ± 4.0) × 103 tons of carbon to the atmosphere every day. The estuaries and their plumes must be further studied for better understanding the role of coastal seas playing in the global oceanic carbon cycle.

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