The variation of organic carbon concentrations in the surface water in Cua Luc Bay, Ha Long Bay, Vietnam

Hai Ngoc Dinh; Thanh Nghi Duong; Thi Kha Pham; Van Nam Le; Thi Thu Trang Cao; Dac Ve Nguyen

doi:10.15625/1859-3097/21301

Author affiliations

Authors

Dinh Hai Ngoc Institute of Marine Environment and Resources, VAST, Vietnam
Duong Thanh Nghi Institute of Marine Environment and Resources, VAST, Vietnam
Pham Thi Kha Institute of Marine Environment and Resources, VAST, Vietnam
Le Van Nam Institute of Marine Environment and Resources, VAST, Vietnam
Cao Thi Thu Trang Institute of Marine Environment and Resources, VAST, Vietnam
Nguyen Dac Ve Institute of Marine Environment and Resources, VAST, Vietnam

DOI:

https://doi.org/10.15625/1859-3097/21301

Keywords:

Organic carbon, TOC, DOC, POC, Cua Luc Bay, Ha Long Bay.

Abstract

The total organic carbon (TOC) in the marine environment, which includes dissolved organic carbon (DOC) and particulate organic carbon (POC), is essential to the ocean’s carbon cycling system. This research was carried out in 2023 to assess the variation in organic carbon concentration in the environment of Cua Luc Bay and Ha Long Bay at 22 survey stations. The results show that the average concentrations of DOC and POC are 1.59 ± 0.21 mgC/L and 0.74 ± 0.35 mgC/L, respectively. However, DOC and POC concentrations are still considered low compared with other rivers and estuaries in Vietnam and worldwide. The ratios of organic carbons like DOC/POC and POC/Chl-a in this study area were also calculated. The ratios’ results are evidence of many fluctuations in the water environment in Ha Long Bay, Vietnam, in 2023.

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References

JI, H., 2002. Why dissolved organics matter?. Biogeochemistry of marine dissolved organic matter, 1–33.

Hoikkala, L., Kortelainen, P., Soinne, H., and Kuosa, H., 2015. Dissolved organic matter in the Baltic Sea. Journal of Marine Systems, 142, 47–61.

Kuliński, K., and Pempkowiak, J., 2008. Dissolved organic carbon in the southern Baltic Sea: Quantification of factors affecting its distribution. Estuarine, Coastal and Shelf Science, 78(1), 38–44.

Bisutti, I., Hilke, I., and Raessler, M., 2004. Determination of total organic carbon–an overview of current methods. TrAC Trends in Analytical Chemistry, 23(10–11), 716–726.

Kharbush, J. J., Close, H. G., Van Mooy, B. A., Arnosti, C., Smittenberg, R. H., Le Moigne, F. A. C., Mollenhauer, G., Scholz-Böttcher, B., Obreht, I., Koch, B. P., Becker, K. W., Iversen, M. H., and Mohr, W., 2020. Particulate organic carbon deconstructed: molecular and chemical composition of particulate organic carbon in the ocean. Frontiers in Marine Science, 7, 518.

Dürr, H. H., Laruelle, G. G., van Kempen, C. M., Slomp, C. P., Meybeck, M., and Middelkoop, H., 2011. Worldwide typology of nearshore coastal systems: defining the estuarine filter of river inputs to the oceans. Estuaries and coasts, 34, 441–458.

Worrall, F., Howden, N. J., and Burt, T. P., 2020. The dissolved organic carbon flux from the UK–A new Bayesian approach to flux calculation. Journal of Hydrology, 590, 125511.

Williamson, J. L., Tye, A., Lapworth, D. J., Monteith, D., Sanders, R., Mayor, D. J., Barry, C., Bowes, M., Bowes, M., Burden, A., Callaghan, N., Farr, G., Felgate, S., Fitch, A., Gibb, S., Gilbert, P., Hargreaves, G., Keenan, P., Kitidis, V., Juergens, M., Martin, A., Mounteney, I., Nightingale, P. D., Pereira, M. G., Olszewska, J., Pickard, A., Rees, A. P., Spears, B., Stinchcombe, M., White, D., Williams, P., Worrall, F., and Evans, C., 2023. Landscape controls on riverine export of dissolved organic carbon from Great Britain. Biogeochemistry, 164(1), 163–184.

Le, T. P. Q., Dao, V. N., Rochelle‐Newall, E., Garnier, J., Lu, X., Billen, G., Duong, T. T., Ho, C. T., Etcheber, H., Nguyen, T. M. H., Nguyen, T. B. N., Nguyen, B. T., Le, N. D., and Pham, Q. L., 2017. Total organic carbon fluxes of the Red River system (Vietnam). Earth Surface Processes and Landforms, 42(9), 1329–1341.

Rochelle-Newall, E. J., Chu, V. T., Pringault, O., Amouroux, D., Arfi, R., Bettarel, Y., Bouvier, T., Bouvier, C., Got, P., Nguyen, T. M. H., Mari, X., Navarro, P., Duong, T. N., Cao, T. T. T., Pham, T. T., Ouillon, S., and Torréton, J. P., 2011. Phytoplankton distribution and productivity in a highly turbid, tropical coastal system (Bach Dang Estuary, Vietnam). Marine Pollution Bulletin, 62(11), 2317–2329.

Szymczycha, B., Winogradow, A., Kuliński, K., Koziorowska, K., and Pempkowiak, J., 2017. Diurnal and seasonal DOC and POC variability in the land-locked sea. Oceanologia, 59(3), 379–388.

Solutions, A., Solutions, A., and Solutions, I., 1990. Standard methods: for the examination of water and waste water. Analytical Biochemistry, 186(1), 183.

Shetty, A., and Goyal, A., 2022. Total organic carbon analysis in water–A review of current methods. Materials Today: Proceedings, 65, 3881–3886.

Suzuki, Y., Tanoue, E., and Ito, H., 1992. A high-temperature catalytic oxidation method for the determination of dissolved organic carbon in seawater: analysis and improvement. Deep Sea Research Part A. Oceanographic Research Papers, 39(2), 185–198.

Zhang, S., Wang, Z., Yan, X., Wang, J., Zhang, L., Shi, Q., Yuan, D., Ma, R., and Liu, Y., 2021. Measurement methods of total organic carbon in seawater. In E3S Web of Conferences, 233, 01078.

Taverniers, I., De Loose, M., and Van Bockstaele, E., 2004. Trends in quality in the analytical laboratory. II. Analytical method validation and quality assurance. TrAC Trends in Analytical Chemistry, 23(8), 535–552.

Kim, J., La, H. S., Kim, J. H., Jo, N., Lee, J., Kim, B. K., Son, W., Kim, K., Jang, H. K., Park, S., Yoo, H., Kim, J., Park, J., Ahn, S. H., and Lee, S. H., 2023. Spatio-temporal variations in organic carbon composition driven by two different major phytoplankton communities in the Ross Sea, Antarctica. Science of The Total Environment, 891, 164666.

APHA, 2017. Standard Methods for the Examination of Water and Wastewater. 23rd Edition.

Meybeck, M., 1982. Carbon, nitrogen, and phosphorus transport by world rivers. American journal of Science, 282(4), 401–450.

Dagg, M., Benner, R., Lohrenz, S., and Lawrence, D., 2004. Transformation of dissolved and particulate materials on continental shelves influenced by large rivers: plume processes. Continental shelf research, 24(7–8), 833–858.

Tamooh, F., Van den Meersche, K., Meysman, F., Marwick, T. R., Borges, A. V., Merckx, R., Dehairs, F., Schmidt, S., Nyunja, J., and Bouillon, S., 2012. Distribution and origin of suspended matter and organic carbon pools in the Tana River Basin, Kenya. Biogeosciences, 9(8), 2905–2920.

Abril, G., Nogueira, M., Etcheber, H., Cabeçadas, G., Lemaire, E., and Brogueira, M. J., 2002. Behaviour of organic carbon in nine contrasting European estuaries. Estuarine, coastal and shelf science, 54(2), 241–262.

Bouillon, S., Abril, G., Borges, A. V., Dehairs, F., Govers, G., Hughes, H. J., Merckx, R., Meysman, F. J. R., Nyunja, J., Osburn, C., and Middelburg, J. J., 2009. Distribution, origin and cycling of carbon in the Tana River (Kenya): a dry season basin-scale survey from headwaters to the delta. Biogeosciences, 6(11), 2475–2493.

Cifuentes, L. A., Sharp, J. H., and Fogel, M. L., 1988. Stable carbon and nitrogen isotope biogeochemistry in the Delaware estuary. Limnology and oceanography, 33(5), 1102–1115.

Nam, L. V., Sinh, L.X., Ha, N. T. T., Nghi, D. T., and Trang, C. T. T., 2020. Determination of carbon (DOC, POC) contentand assessment of transportation in water environment in Bach Dang estuaries (Hai Phong). Environment Magazine, 3(9-2020), 53–59. (in Vietnamese).

Linh, T. T., Quynh, L. T. P., and Da, L. N., 2020. Assessment of carbon concentration in some rivers in Hanoi City. Journal of Ananytical Sciences, 25(3), 16–20. (in Vietnamese).

Kang, S., Kim, J. H., Hwang, J. H., Bong, Y. S., Ryu, J. S., and Shin, K. H., 2020. Seasonal contrast of particulate organic carbon (POC) characteristics in the Geum and Seomjin estuary systems (South Korea) revealed by carbon isotope (δ13C and Δ14C) analyses. Water Research, 187, 116442.

Maciejewska, A., and Pempkowiak, J., 2014. DOC and POC in the water column of the southern Baltic. Part I. Evaluation of factors influencing sources, distribution and concentration dynamics of organic matter. Oceanologia, 56(3), 523–548.

Smeaton, C., and Austin, W. E., 2022. Distribution of particulate and dissolved organic carbon in surface waters of northern scottish fjords. Estuarine, Coastal and Shelf Science, 274, 107952.

Ji, C. X., Yang, G. P., Chen, Y., He, Z., Li, Y., and Zhang, L., 2023. Contrast the distribution, transformation, and degradation of dissolved and particulate organic matter in the South Yellow Sea, the East China Sea, and its adjacent Kuroshio Current. Marine Chemistry, 248, 104210.

Barrón, C., and Duarte, C. M., 2015. Dissolved organic carbon pools and export from the coastal ocean. Global Biogeochemical Cycles, 29(10), 1725–1738.