Methane in the South China Sea and the Western Philippine Sea

Tseng, Hsiao-Chun; Chen, Chen-Tung Arthur; Borges, Alberto; DelValls, T. Angel; Chang, Yu-Chang

doi:10.1016/j.csr.2017.01.005

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Methane in the South China Sea and the Western Philippine Sea

Tseng, Hsiao-Chun; Chen, Chen-Tung Arthur; Borges, Alberto et al.

2017 • In Continental Shelf Research, 135, p. 23 - 34

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10.1016/j.csr.2017.01.005

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South China Sea

Abstract :

[en] Approximately 700 water samples from the South China Sea (SCS) and 300 water samples from the western Philippine Sea (wPS) were collected during eight cruises from August 2003 to July 2007 to determine methane (CH4) distributions from the surface to a depth of 4250 m. The surface CH4 concentrations exceeded atmospheric equilibrium, both in the SCS and the wPS, and the concentrations were 4.5±3.6 and 3.0±1.2 nmol L−1, respectively. The sea-to-air fluxes were calculated, and the SCS and the wPS were found to emit CH4 to the atmosphere at 8.6±6.4 µmol m−2 d−1 and 4.9±4.9 µmol m−2 d−1, respectively. In the SCS, CH4 emissions were higher over the continental shelf (11.0±7.4 µmol m−2 d−1) than over the deep ocean (6.1±6.0 µmol m−2 d−1), owing to greater biological productivity and closer coupling with the sediments on the continental shelf. The SCS emitted 30.1×106 mol d−1 CH4 to the atmosphere and exported 1.82×106 mol d−1 CH4 to the wPS. The concentrations of both CH4 and chlorophyll a were high in the 150 m surface layer of the wPS, but were not significantly correlated with each other. CH4 concentrations generally declined with increasing depth below the euphotic zone but remained constant below 1,000 m, both in the SCS and the wPS. Some high CH4 concentrations were observed at mid-depths and bottom waters in the SCS, and were most likely caused by the release of CH4 from gas hydrates or gas seepage.

Research center :

FOCUS - Freshwater and OCeanic science Unit of reSearch - ULiège

Disciplines :

Aquatic sciences & oceanology

Author, co-author :

Tseng, Hsiao-Chun

Chen, Chen-Tung Arthur

Borges, Alberto ; Université de Liège > Département d'astrophys., géophysique et océanographie (AGO) > Chemical Oceanography Unit (AGO)

DelValls, T. Angel

Chang, Yu-Chang

Language :

English

Title :

Methane in the South China Sea and the Western Philippine Sea

Publication date :

2017

Journal title :

Continental Shelf Research

ISSN :

0278-4343

Publisher :

Pergamon Press - An Imprint of Elsevier Science, Oxford, United Kingdom

Volume :

135

Pages :

23 - 34

Peer reviewed :

Peer Reviewed verified by ORBi

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http://www.sciencedirect.com/science/article/pii/S0278434316300619

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since 26 January 2017

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Bibliography

Amouroux, D., Roberts, G., Rapsomanikis, S., Andreae, M.O., Biogenic gas (CH4, N2O, DMS) emission to the atmosphere from near-shore and shelf waters of the northwestern Black Sea. Estuar. Coast. Shelf Sci. 54 (2002), 575–587.
de Angelis, M.A., Lee, C., Methane production during zooplankton grazing on marine phytoplankton. Limnol. Oceanogr. 39 (1994), 1298–1308.
Bange, H.W., Rapsomanikis, S., Andreae, M.O., Nitrous oxide in coastal waters. Glob. Biogeochem. Cycles 10 (1996), 197–207.
Bange, H.W., Bartell, U.H., Rapsomanikis, S., Andrease, M.O., Methane in the Baltic and North Seas and a reassessment of the marine emission of methane. Glob. Biogeochem. Cycles 8 (1994), 465–480.
Berner, U., Poggenburg, J., Faber, E., Quadfasel, D., Frische, A., Methane in ocean waters of the Bay of Bengal: its sources and exchange with the atmosphere. Deep-Sea Res. II 50 (2003), 925–950.
Boetius, A., Suess, E., Hydrate ridge: a natural laboratory for the study of microbial life fueled by methane from near-surface gas hydrates. Chem. Geol. 204 (2004), 291–310.
Boetius, A., Ravenschlag, K., Schubert, C.J., Rickert, D., Widdel, F., Gieseke, A., Amann, R., Jørgensen, B.B., Witte, U., Pfannkuche, O., A marine microbial consortium apparently mediating anaerobic oxidation of methane. Nature 407 (2000), 623–626.
Bogard, M.J., del Giorgio, P.A., Boutet, L., Chaves, M.C.G., Prairie, Y.T., Merante, A., Derry, A.M., Oxic water column methanogenesis as a major component of aquatic CH4 fluxes. Nat. Commun., 2014, 5, 10.1038/ncomms6350.
Borges, A.V., Champenois, W., Gypens, N., Delille, B., Harlay, J., Massive marine methane emissions from near-shore shallow coastal areas. Sci. Rep., 6, 2016, 27908, 10.1038/srep27908.
Burke, R.A. Jr., Reid, D.F., Brooks, J.M., Lavoie, D.M., Upper water column methane geochemistry in the eastern tropical North Pacific. Limnol. Oceanogr. 28 (1983), 19–32.
Cao, Z.-M., Dai, M.-H., Zheng, N., Wang, D.-L., Li, Q., Zhai, W.-D., Meng, F.-F., Gan, J.-P., Dynamics of the carbonate system in a large continental shelf system under the influence of both a river plume and coastal upwelling. J. Geophys. Res., 116, 2011, G02010, 10.1029/2010JG001596.
Chang, H.L., Yang, S.S., Measurement of methane emission from soil. J. Chin. Agric. Chem. Soc. 35 (1997), 475–484.
Chao, S.Y., Shaw, P.T., Wu, S.Y., Deep water ventilation in the South China Sea. Deep-Sea Res. 43 (1996), 445–466.
Chen, C.T.A., Huang, M.H., Carbonate chemistry and the anthropogenic CO2 in the South China Sea. Acta Oceanol. Sin. 14 (1995), 47–57.
Chen, C.T.A., Huang, M.H., A mid-depth front separating the South China Sea water and the West Philippine Sea water. J. Oceanogr. 52 (1996), 17–25.
Chen, C.T.A., Tseng, H.C., Abnormally high CH4 concentrations in seawater at mid-depths on the continental slops of the northern South China Sea. Terr. Atmos. Ocean. Sci. 17 (2006), 951–959.
Chen, C.T.A., Chen, Y.S., Wang, S.L., 1994. Methane emissions from natural waters in Taiwan. Proceedings of the 7th IUAPPA Regional Conference on Air Pollution and Waste Issues, Nov. 2–4, Taipei, VI, 51–61.
Chen, C.T.A., Wang, S.L., Lu, X.X., Zhang, S.R., Lui, H.K., Tseng, H.C., Wang, B.J., Huang, H.I., Hydrogeochemistry and greenhouse gases of the Pearl River, its estuary and beyond. Q. Int. 186 (2008), 79–90.
Chen, C.T.A., Zhai, W.D., Dai, M.H., Riverine input and air-sea CO2 exchanges near the Changjiang (Yangtze River) Estuary: status quo and implication on possible future changes in metabolic status. Cont. Shelf Res. 28 (2008), 1476–1482.
Chen, C.T.A., Wang, S.L., Wang, B.J., Pai, S.C., Nutrient budgets for the South China Sea basin. Mar. Chem. 75 (2001), 281–300.
Chen, C.T.A., Hou, W.P., Gamo, T., Wang, S.L., Carbonate-related parameters of subsurface waters in the West Philippine, South China and Sulu Seas. Mar. Chem. 99 (2006), 151–161.
Chen, C.T.A., Yeh, Y.T., Chen, Y.C., Huang, T.H., Seasonal and ENSO-related interannual variability of subsurface fronts separating West Philippine Sea waters from South China Sea waters near the Luzon Strait. Deep-Sea Res. I 103 (2015), 13–23.
Chen, D.F., Huang, Y.Y., Feng, D., Su, Z., Seep carbonate and preserved bacteria fossils in the northern South China Sea and their geological implications. Bull. Min. Pet. Geochem. 24 (2005), 185–189 (in Chinese).
Chuang, P.C., Yang, T.F., Lin, S., Lee, H.F., Lan, T.F., Hong, W.L., Liu, C.S., Chen, J.C., Wang, Y., Extremely high methane concentration in bottom water and cored sediments from offshore southwestern Taiwan. Terr. Atmos. Ocean. Sci. 17 (2006), 903–920.
Conley, D.J., Bj¨orck, S., Bonsdorff, E., Carstensen, J., Destouni, J., G., Gustafsson, B.G., Hietanen, S., Kortekaas, M., Kuosa, H., Meier, H.E.M., Müller-Karulis, B., Nordberg, K., Norkko, A., Nürnberg, G., Pitkänen, H., Rabalais, N.N., Rosenberg, R., Savchuk, O.P., Slomp, C.P., Voss, M., Wulff, F., Zillén, L., Hypoxia-related processes in the Baltic Sea. Environ. Sci. Technol. 43 (2009), 3412–3420.
Dai, M., Guo, X., Zhai, W., Yuan, L., Wang, B., Wang, L., Cai, P., Tang, T., Cai, W.-J., Oxygen depletion in the upper reach of the Pearl River estuary during a winter drought. Mar. Chem. 102 (2006), 159–169.
Dai, M., Zhai, W., Cai, W.-J., Callahan, J., Huang, B., Shang, S., Huang, T., Li, X., Lu, Z., Chen, W., Chen, Z., Effects of an estuarine plume-associated bloom on the carbonate system in the lower reaches of the Pearl River estuary and the coastal zone of the northern South China Sea. Cont. Shelf Res. 28:12 (2008), 1416–1423.
Dai, M.-H., Cao, Z.-M., Guo, X.-H., Zhai, W.-D., Liu, Z.-Y., Yin, Z.-Q., Xu, Y.-P., Gan, J.-P., Hu, J.-Y., Du, C.-J., Why are some marginal seas sources of atmospheric CO2?. Geophys. Res. Lett. 40 (2013), 2154–2158, 10.1002/grl.50390.
Damm, E., Kiene, R.P., Schwarz, J., Falck, E., Dieckmann, G., Methane cycling in Arctic shelf water and its relationship with phytoplankton biomass and DMSP. Mar. Chem. 109 (2008), 45–59.
Damm, E., Helmke, E., Thoms, S., Schauer, U., Nöthing, E., Bakker, K., Kiene, R.P., Methane production in aerobic oligotrophic surface water in the central Artic Ocean. Biogeosciences 7 (2010), 1099–1108.
Diaz, R.J., Rosenberg, R., Spreading dead zones and consequences for marine ecosystems. Science 321 (2008), 926–929.
Du, C., Liu, Z., Dai, M., Kao, S.-J., Cao, Z., Zhang, Y., Huang, T., Wang, L., Li, Y., Impact of the Kuroshio intrusion on the nutrient inventory in the upper northern South China Sea: insights from an isopycnal mixing model. Biogeosciences 10 (2013), 6419–6432, 10.5194/bg-10-6419-2013.
Erickson, D.J. III, A stability dependant theory for air–sea gas exchange. J. Geophys. Res. 98 (1993), 8471–8488.
Florez-Leiva, L., Damm, E., Farías, L., Methane production induced by dimethylsulfide in surface water of an upwelling ecosystem. Prog. Oceanogr. 112–113 (2013), 38–48.
Forster, G., Upstill-Godard, R.C., Gist, N., Robinson, C., Uher, G., Woodward, E.M.S., Nitrous oxide and methane in the Atlantic Ocean between 50°N and 52°S: latitudinal distribution and sea-to-air flux. Deep-Sea. Res. Pt. II 56 (2008), 964–976, 10.1016/jdsr2.2008.12.002.
Gan, J.-P., Li, L., Wang, D.-X., Guo, X.-G., Interaction of a river plume with coastal upwelling in the northeastern South China Sea. Cont. Shelf Res. 29 (2009), 728–740.
Gypens, N., Borges, A.V., Increase in dimethylsulfide (DMS) emissions due to eutrophication of coastal waters offsets their reduction due to ocean acidification. Front. Mar. Sci. 1:4 (2014), 1–6, 10.3389/fmars.2014.00004.
Gypens, N., Borges, A.V., Lancelot, C., Effect of eutrophication on air–sea CO2 fluxes in the coastal Southern North Sea: a model study of the past 50 years. Glob. Change Biol. 15 (2009), 1040–1056, 10.1111/j.1365-2486.2008.01773.x.
Han, A.-Q., Dai, M.-H., Kao, S.-J., Gan, J.-P., Li, Q., Wang, L.-F., Zhai, W.-D., Wang, L., Nutrient dynamics and biological consumption in a large continental shelf system under the influence of both a river plume and coastal upwelling. Limnol. Oceanogr. 57 (2012), 486–502.
Han, W.-Y., Marine Chemistry in the South China Sea. 1998, Science Press, Beijing, 289 (in Chinese).
Han, X., Suess, E., Huang, Y., Wu, N., Bohrmann, G., Su, X., Eisenhauer, A., Rehder, G., Fang, Y., Jiulong methane reef: microbial mediation of seep carbonates in the South China Sea. Mar. Geol. 249 (2008), 243–256.
Han, X., Suess, E., Huang, Y., Wu, N., Eisenhauer, A., Bohrmann, G., Su, X., Rehder, G., Fang, Y., shipboard scientists of Leg SO-177, 2005. Jiulong Methane reef: first direct evidence of methane seepage in the South China Sea. Geophysical Research Abstracts 7, 04055. European Geosciences Union.
Ho, C.-R., Zheng, Q., Soong, Y.S., Kuo, N.-J., Hu, J.-H., Seasonal variability of sea surface height in the South China Sea observed with TOPEX/POSEIDON altimeter data. J. Geophys. Res. 105 (2000), 13981–13990.
Hovland, M., Judd, A.J., Seabed Pockmarks and Seepages. 1988, Graham and Trotman, London, 293.
Howarth, R.W., Coastal nitrogen pollution: a review of sources and trends globally and regionally. Harmful Algae 8 (2008), 14–20.
Huang, T.H., Chen, C.T.A., Zhang, W.Z., Zhuang, X.F., Varying intensity of Kuroshio intrusion into Southeast Taiwan Strait during ENSO events. Cont. Shelf Res. 103 (2015), 79–87.
Intergovernmental Panel on Climate Change (IPCC), 2013. Working Group I Report, The Physical Science Basis. C.2; C.6; C.8, pp. 159–254; pp. 473–552; pp. 677–731.
Jayakumar, D.A., Naqvi, S.W.A., Narvekar, P.V., George, M.D., Methane in coastal and offshore waters of the Arabian Sea. Mar. Chem. 74 (2001), 1–13.
Johnson, K.M., Hughes, J.E., Donaghay, P.L., Sieburth, J.M., Bottle-calibration static head space method for the determination of methane dissolved in seawater. Anal. Chem. 62 (1990), 2408–2412.
Karl, D., Beversdorf, L., Björkman, K.M., Church, M.J., Martinez, A., DeLong, E.F., Aerobic production of methane in the sea. Nat. Geosci. 1 (2008), 473–478.
Karl, D.M., Tilbrook, B.D., Production and transport of methane in oceanic particulate organic matter. Nature 368 (1994), 732–734.
Kelley, C.A., Jeffrey, W.H., Dissolved methane concentration profiles and air–sea fluxes from 41°S to 27°N. Glob. Biogeochem. Cycles 16 (2002), 131–136.
Kirschke, S., Bousquet1, P., Ciais1, P., Saunois1, M., Canadell, J.G., Dlugokencky, E.J., Bergamaschi, P., Bergmann, D., Blake, D.R., Bruhwiler, L., Cameron-Smith, P., Castaldi, S., Chevallier, F., Feng, L., Fraser, A., Fraser1, P.J., Heimann, M., Hodson, E.L., Houweling, S., Josse, B., Krummel, P.B., Lamarque, J.-F., Langenfelds, R.L., Le Quéré, C., Naik, V., O'Doherty, S., Palmer, P.I., Pison1, I., Plummer, D., Poulter1, B., Prinn, R.G., Rigby, M., Ringeval, B., Santini, M., Schmidt, M., Shindell, D.T., Simpson, I.J., Spahni, R., Steele, L.P., Strode, S.A., Sudo, K., Szopa1, S., van der Werf, G.R., Voulgarakis, A., van Weele, M., Weiss, R.F., Williams, J.E., Zeng, G., Three decades of global methane sources and sinks. Nat. Geosci. 6 (2013), 813–823.
Kuo, N.-J., Zheng, Q., Ho, C.-R., Satellite observation of upwelling along the western coast of the South China Sea. Remote Sens.Environ. 74 (2000), 463–470.
Lamontagne, R.A., Swinnerton, J.W., Linnenbom, V.J., Smith, W.D., Methane concentrations in various marine environments. J. Geophys. Res. 78 (1973), 5317–5324.
Li, L., Summer upwelling system over the northern continental shelf of the South China Sea: a physical description. Su, J., Chuang, W.-S., Hsueh, R.Y., (eds.) Proceedings of the Symposium on the Physical and Chemical Oceanography of the China Seas, 1993, China Ocean Press, Beijing, 58–68.
Lin, S., Liu, K.-K., Chen, M.-P., Chang, F.-Y., Distribution of organic carbon in the KEEP area continental margin sediments. Terr. Atmos. Ocean. Sci. 3 (1992), 365–378.
Liss, P.S., Merlivat, L., Air–sea Gas Exchange Rates: Introduction and Synthesis. The Role of Air–Sea Exchange in Geochemical Cyclings. NATO ASI Series, 185, 1986, D. Reidel Publishing Company, New York, 113–127.
Liu, K.K., S.-Y. Chao, S.Y., Shaw, P.-T., Gong, G.-C., Chen, C.-C., Tang, T.Y., Monsoon-forced chlorophyll distribution and primary production in the South China Sea: observations and a numerical study. Deep-Sea Res. I 49 (2002), 1387–1412.
Lui, H.K., Chen, C.T.A., Lee, J., Bai, Y., He, X.Q., Looming hypoxia on outer shelves caused by reduced ventilation in the open oceans: case study of the East China Sea. Estuar. Coast. Shelf Sci. 151 (2014), 355–360, 10.1016/j.ecss.2014.08.010.
Marty, D., Bonin, P., Michotey, V., Bianchi, M., Bacterial biogas production in coastal system affected by freshwater inputs. Cont. Shelf Res. 21 (2001), 2105–2115.
Morales, C.E., Anabalón, V., Phytoplankton biomass and microbial abundances during the spring upwelling season in the coastal area off Concepción, central-southern Chile: variability around a time series station. Prog. Oceanogr. 92:1 (2012), 81–91.
Naqvi, S.W.A., Bange, H.W., Farías, L., Monteiro, P.M.S., Scranton, M.I., Zhang, J., Marine hypoxia/anoxia as a source of CH4 and N2O. Biogeosciences 7 (2010), 2159–2190.
Nguyen, L.V., Ta, T.K.O., Tateishi, M., Late holocene depositional environments and coastal evolution of the Mekong River Delta, Southern Vietnam. J. Asian Earth Sci. 18:4 (2000), 427–439.
Nightingale, P.D., Malin, G., Law, C.S., Watson, A.J., Liss, P.S., Liddicoat, M.I., Boutin, J., Upstill-Goddard, R.C., In situ evaluation of air–sea gas exchange parameterizations using novel conservative and volatile tracers. Glob. Biogeochem. Cycles 14 (2000), 373–387.
OPL, South East Asia Oil & Gas Activity and Concession Map, 2000 ed., 2000, Oilfield Publications, Herefordshire.
Owens, N.J.P., Law, C.S., Mantoura, R.F.C., Burkill, P.H., Llewellyn, C.A., Methane flux to the atmosphere from the Arabian Sea. Nature 354 (1991), 293–296.
Patra, P.K., Lal, S., Venkataramani, S., Gauns, M., Sarma, V.V.S.S., Seasonal variability in distribution and fluxes of methane in the Arabian Sea. J. Geophys. Res. 103 (1998), 1167–1176.
Rehder, G., Suess, E., Methane and pCO2 in the Kuroshio and the South China Sea during maximum summer surface temperatures. Mar. Chem. 75 (2001), 89–108.
Rehder, G., Keir, R.S., Suess, E., Methane in the northern Atlantic controlled by microbial oxidation and atmospheric history. Geophys. Res. Lett. 5 (1999), 587–590.
Rehder, G., Keir, R.S., Suess, E., Pohlmann, T., The multiple sources and patterns of methane in North Sea waters. Aquat. Geochem. 4 (1998), 403–427.
Rhee, T.S., Kettle, A.J., Andreae, M.O., Methane and nitrous oxide emissions from the ocean: a reassessment using basin-wide observations in the Atlantic. J. Geophys. Res., 114, 2009, D12304, 10.1029/2008JD011662.
Scranton, M.I., Brewer, P.G., Occurrence of methane in the near surface waters of the western subtropical North-Atlantic. Deep-Sea Res. 24 (1977), 127–138.
Scranton, M.I., Brewer, P.G., Consumption of dissolved methane in the deep ocean. Limnol. Oceanogr. 23:6 (1978), 1207–1213.
Scranton, M.I., McShane, K., Methane in the southern North Sea: the role of European rivers. Cont. Shelf Res. 11:1 (1991), 37–52.
Shaw, P.T., Self circulation off the southeast coast of China. Rev. Aquat. Sci. 6:1 (1992), 1–28.
Sheu, W.-J., Wu, C.-R., Oey, L.-Y., Blocking and westward passage of eddies in the Luzon Strait. Deep-Sea Res. II, 2010, 10.1016/j.dsr2.2010.04.004.
Stramma, L., Johnson, G.C., Sprintall, J., Mohrholz, V., Expanding oxygen-minimum zones in the tropical oceans. Science 320 (2008), 655–658.
Strickland, J.D.H., Parsons, T.R., A Practical Handbook of Seawater Analysis. 1972, Fisheries Research Board of Canada, Ottawa, Canada, 310.
Su, C.Y., Niu, B.H., Wang, H.Y., Zhao, K.B., A study of gas hydrate geochemical exploration and deposit formation patterns in the Xisha ocean. Earth Sci. Front. 12 (2005), 243–251 (in Chinese).
Su, J., Circulation dynamics of the China seas north of 18°N. Allan, R.R., Kenneth, H., Brink, (eds.) The Sea, Vol. 11, The Global Coastal Ocean: Regional Studies and Syntheses, 1998, Wiley, NY, 483–505.
Suess, E., 2005. RV SONNE cruise report SO 177, Sino–German cooperative project, South China Sea Continental Margin: geological methane budget and environmental effects of methane emissions and gashydrates. IFM-GEOMAR Reports. (http://store.pangaea.de/documentation/Reports/SO177.pdf).
Suess, E., Carson, B., Ritger, S., Moore, J.C., Jones, M., Kulm, L.D., Cochrane, G., 1985. Biological communities at vent sites along the subduction zones off Oregon. In: Jones, M.L. (ed), The hydrothermal vents of the Eastern Pacific: An Overview. Bull Biol Soc Wash, 6, 475–484.
Traganza, E.D., Swinnerton, J.W., Cheek, C.H., Methane supersaturation and ATP-zooplankton blooms in near-surface waters of the Mediterranean and the subtropical North Atlantic Ocean. Deep-Sea Res. 26 (1979), 1237–1245.
Tseng, H.C., Chen, C.T.A., Borges, A.V., DelValls, T.A., Lai, C.M., Chen, T.Y., Distributions and sea-to-air fluxes of nitrous oxide in the South China Sea and the West Philippines Sea. Deep-Sea Res. I 115 (2016), 131–144.
Upstill-Goddard, R.C., Barnes, J., Frost, T., Punshon, S., Owens, N.J.P., Methane in the southern North Sea: low-salinity inputs, estuarine, and atmospheric flux. Glob. Biogeochem. Cycles 14 (2000), 1205–1216.
Wanninkhof, R., Relationship between wind speed and gas exchange over the ocean. J. Geophys. Res. 97:C5 (1992), 7373–7382.
Wanninkhof, R., Relationship between wind speed and gas exchange over the ocean revisited. Limnol. Oceanogr.: Methods 12 (2014), 351–362.
Watanabe, S., Higashitani, N., Tsurushima, N., Tsunogai, S., Methane in the western North Pacific. J. Oceanogr. 51 (1995), 39–60.
Wiesenburg, D.A., Guinasso, N.L. Jr, Equilibrium solubilities of methane, carbon monoxide, and hydrogen in water and seawater. J. Chem. Eng. Data 24 (1979), 356–360.
Wu, S.G., Zhang, G.X., Huang, Y.Y., Gas hydrate occurrence on the continental slope of the northern South China Sea. Mar. Petrol. Geol. 22 (2005), 403–412.
Wu, S.G., Sun, Q.L., Wu, T.Y., Yuan, S.Q., Ma, Y.B., Yao, G.S., Polygonal fault and oil–gas accumulation in deep-water area of Qiongdongnan Basin. Acta Pet. Sin. 30 (2009), 22–32 (in Chinese).
Xie, S.-P., Xie, Q., Wang, D., Liu, W.T., Summer upwelling in the South China Sea and its role in regional climate variations. J. Geophys. Res., 108(C8), 2003, 3261, 10.1029/2003JC001867.
Xue, Z., He, R., Liu, J.P., Warner, J.C., Modeling transport and deposition of the Mekong River sediment. Cont. Shelf Res. 37 (2012), 66–78.
Yan, Y., Ling, Z., Chen, C., Winter coastal upwelling off northwest Borneo in the South China Sea. Acta Oceanol. Sin. 34 (2015), 3–10.
Yang, T.F., Chuang, P.C., Lin, S., Chen, J.C., Wang, Y., Chung, S.H., Methane venting in gas hydrate potential area offshore of SW Taiwan: evidence of gas analysis of water column samples. Terr. Atmos. Ocean. Sci. 17 (2006), 933–950.
Yin, K., Qian, P., Chen, Jv.C., Hsieh, D.P.H., Harrison, P.J., Dynamics of nutrients and phytoplankton biomass in the Pearl River estuary and adjacent waters of Hong Kong during summer: preliminary evidence for phosphorus and silicon limitation. Mar. Ecol.: Prog. Ser. 194 (2000), 295–305.
Yuan, Y., Liao, G., Yang, C., The Kuroshio near the Luzon Strait and Circulation in the Northern South China Sea during August and September 1994. J. Oceanogr. 64 (2008), 777–788, 10.1007/s10872-008-0065-6.
Zhang, G., Zhang, J., Ren, J., Li, J., Liu, S., Distributions and sea-to-air fluxes of methane and nitrous oxide in the North East China Sea in summer. Mar. Chem. 110 (2008), 42–55.
Zhang, G.L., Zhang, J., Kang, Y.B., Liu, S.M., Distributions and fluxes of dissolved methane in the East China Sea and the Yellow Sea in spring. J. Geophys. Res., 109(C7), 2004, C07011, 10.1029/2004JC002268.
Zhang, Y., Zhai, W.-D., Shallow-ocean methane leakage and degassing to the atmosphere: triggered by offshore oil-gas and methane hydrate explorations. Front. Mar. Sci., 2, 2015, 34, 10.3389/fmars.2015.00034.
Zhou, H., Yin, X., Yang, Q., Wang, H., Wu, Z., Bao, S., Distribution, source and flux of methane in the western Pearl River Estuary and northern South China Sea. Mar. Chem. 117 (2009), 21–31.
Zindler, C., Bracher, A., Marandino, C.A., Taylor, B., Torrecilla, E., Kock1, A., Bange, H.W., Sulphur compounds, methane, and phytoplankton: interactions along a north–south transit in the western Pacific Ocean. Biogeosciences 10 (2013), 3297–3311.