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Influence of submarine groundwater discharge in the blue carbon budget of typical mangrove: A case study from the Zhenzhu Bay, Guangxi
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Yali Wang1, Fenfen Zhang1, *, Xiaogang Chen1, Linwei Li1, Xilong Wang2, Yanling Lao2, 3, Jinzhou Du1, 4
Haiyang Xuebao | 2020, 42(10) : 37 - 46
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Haiyang Xuebao | 2020, 42(10): 37-46
• Article •
Influence of submarine groundwater discharge in the blue carbon budget of typical mangrove: A case study from the Zhenzhu Bay, Guangxi
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Yali Wang1, Fenfen Zhang1, *, Xiaogang Chen1, Linwei Li1, Xilong Wang2, Yanling Lao2, 3, Jinzhou Du1, 4
Affiliations
  • 1 State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200241, China
  • 2 Guangxi Key Laboratory of Marine Disaster in the Beibu Gulf, Beibu Gulf University, Qinzhou 535011, China
  • 3 College of Resource and Environment, Beibu Gulf University, Qinzhou 535011, China
  • 4 Institute of Eco-Chongming, Shanghai 202162, China
Published: 2020-10-25 doi: 10.3969/j.issn.0253-4193.2020.10.004
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As one of the forms of land-ocean interactions, submarine groundwater discharge (SGD) can release solutes into the coastal sea and has a significant impact on the nutrients budget in coastal seawater. Here, using 222Rn tracer, the SGD and the associated dissolved inorganic carbon (DIC) and dissolved organic carbon (DOC) inputted to the Zhenzhu Bay, a typical mangrove-dominated bay, were quantified. The results show that the average concentrations of 222Rn, DIC and DOC in groundwater are relatively higher than those in river water and surface sea water. A 222Rn mass balance implies that SGD rate is (0.36±0.36) m/d during January 2019. And SGD-derived DIC and DOC fluxes are estimated to be (2.41±2.63)×107 mol/d and (1.96±2.20)×106 mol/d. It confirmed that SGD-derived carbon is the most important carbon source in this bay, with 91% DIC and 89% DOC of the total input fluxes by SGD, respectively. Our results highlight the importance of groundwater-derived carbon fluxes in the Zhenzhu Bay, especially in the blue carbon assessments and biogeochemical process in tidal zones such as mangrove ecosystems.

submarine groundwater discharge  /  222Rn  /  mangrove  /  carbon budget  /  blue carbon
Yali Wang, Fenfen Zhang, Xiaogang Chen, Linwei Li, Xilong Wang, Yanling Lao, Jinzhou Du. Influence of submarine groundwater discharge in the blue carbon budget of typical mangrove: A case study from the Zhenzhu Bay, Guangxi[J]. Haiyang Xuebao, 2020 , 42 (10) : 37 -46 . DOI: 10.3969/j.issn.0253-4193.2020.10.004
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doi: 10.3969/j.issn.0253-4193.2020.10.004
  • Receive Date：2020-01-09
  • Online Date：2026-03-27
  • Published：2020-10-25
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  • Received：2020-01-09
  • Revised：2020-02-13
Funding
Affiliations
    1 State Key Laboratory of Estuarine and Coastal Research, East China Normal University, Shanghai 200241, China
    2 Guangxi Key Laboratory of Marine Disaster in the Beibu Gulf, Beibu Gulf University, Qinzhou 535011, China
    3 College of Resource and Environment, Beibu Gulf University, Qinzhou 535011, China
    4 Institute of Eco-Chongming, Shanghai 202162, China
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表12种不同金属材料的力学参数
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Number of
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Number of
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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