Abstract
A new water quality index for evaluating the water quality of Jinhae Bay and Gwangyang Bay was developed. Four water quality parameters were selected as water quality indicators for the water quality index: dissolved inorganic nitrogen (DIN), dissolved inorganic phosphorus (DIP), chlorophyll-a (Chl-a), and dissolved oxygen (DO). Reference levels of DIN, DIP, and Chl-a were determined as 6.22 μmol L−1, 0.38 μmol L−1, and 2.32 μmol L−1, respectively, on the basis of a long-term dataset that was collected monthly in the Korea Strait over a period of seven years (2006–2012). The water quality index established for Jinhae Bay and Gwangyang Bay is (bottom DO grade × 0.33) + (surface Chl-a grade × 0.33) + (surface DIN grade × 0.17) + (surface DIP grade × 0.17). On the basis of a three-year observation, the water quality of Jinhae Bay was classified as “good” in winter and spring, “poor” in summer, and “fair” in autumn and exhibited large spatial variation, with the lowest-quality water observed in Masan Bay. The water quality of Gwangyang Bay was classified as “good” in winter, “fair” in spring, “poor” in summer, and “fair” in autumn. Unlike Jinhae Bay, the water quality of Gwangyang Bay exhibited minimal spatial variation. In both bays, water quality among the four seasons was worse during summer. It is essential that a survey for water quality evaluation be conducted during summer.
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References
Al-Mutairi A, Abahussain A, El-Battay A (2014) Spatial and temporal characterizations of water quality in Kwwait Bay. Mar Pollut Bull 83:127–131
Bald J, Borja A, Muxika I, Franco J, Valencia V (2005) Assessing reference conditions and physic-chemical status according to the European Water Framework Directive: A case-study from the Basque Country (Northern Spain). Mar Pollut Bull 50:1508–1522
Best MA, Wither AW, Coates S (2007) Dissolved oxygen as a physic-chemical supporting element in the Water Framework Directive. Mar Pollut Bull 55:53–64
Borja A, Ranasinghe A, Weisberg SB (2009) Assessing ecological integrity in marine waters, using multiple indices and ecosystem components: Challenges for the future. Mar Pollut Bull 59:1–4
Boyer JN, Kelble CR, Ortner PB, Rudnick DT (2009) Phytoplankton bloom status: Chlorophyll a biomass as an indicator of water quality condition in the southern estuaries of Florida, USA. Ecol Indic 9:56–67
Bricker SB, Ferreira JG, Simas T (2003) An integrated methodology for assessment of estuarine trophic status. Ecol Model 169:39–60
Canedo-Arguelles M, Boix D, Sanchez-Millaruelo N, Sala J, Caiola N, Nebra A, Rieradevall M (2012) A rapid bioassessment tool for the evaluation of the water quality of transitional waters. Estuar Coast Shelf Sci 111:129–138
Frodge JD, Thamas GL, Pauley GB (1990) Effects of canopy formation by floating and submergent aquatic macrophytes on the water quality of two shallow Pacific Northwest lakes. Aquat Bot 38:231–248
Giordani G, Zaldivar JM, Viaroli P (2009) Simple tools for assessing water quality and trophic status in transitional water ecosystems. Ecol Indic 9:982–991
Herrera-Silverira JA, Morales-Ojeda SM (2009) Evaluation of the health status of a coastal ecosystem in southeast Mexico: Assessment of water quality, phytoplankton and submerged aquatic vegetation. Mar Pollut Bull 59:72–86
Kang SW (1991) Circulation and pollutant dispersion in Masan-Jinhae Bay of Korea. Mar Pollut Bull 23:37–40
Kim T-W, Lee K, Lee C, Jeong H-D, Suh Y-S, Lim W-A, Kim KY, Jeong H-J (2013) Interannual nutrient dynamics in Korean coastal waters. Harmful Algae 30S:S15–S27
KORDI (2012) Development of marine ecosystem health index (MEHI) in the special management areas of the South Sea. KORDI (Korean Ocean Research & Development Institute) annual report, BSPN98582-10041-3, 396 p
KIOST (2012) Northwestern Pacific ocean study on environment and interactions between deep ocean and marginal ocean (POSEIDON). KIOST (Korea Institute of Ocean Science and Technology) annual report, BSPE98731-10194-1, 431 p
Lee CW, Min BY (1990) Pollution in Masan Bay, a matter of concern in South Korea. Mar Pollut Bull 21:226–229
Lee DI, Park CK, Cho HS (2005) Ecological modeling for water quality management of Kwangyang Bay, Korea. J Environ Manage 74:327–337
Lim HS, Diaz RJ, Hong JS, Schaffner LC (2006) Hypoxia and benthic community recovery in Korean coastal waters. Mar Pollut Bull 52:1517–1526
OSPAR (2003) OSPAR integrated report 2003 on the eutrophication status of the OSPAR maritime area based upon the first application of the comprehensive procedure. OSPAR Commission, 27 p
OSPAR (2005) Revised common procedure for the identification of the eutrophication status of the OSPAR Maritime Area. Reference Number 2005–3, OSPAR Commission
Painting SJ, Devlin MJ, Rogers SI, Mills DK, Parker ER, Rees HL (2005) Assessing the suitability of OSPAR EcoQOs for eutrophication vs ICES criteria for England and Wales. Mar Pollut Bull 50:1569–1584
Pettine M, Casentini B, Fazi S, Giovanardi F, Pagnotta R (2007) A revisitation of TRIX for trophic status assessment in the light of the European Water Framework Directive: Application to Italian coastal waters. Mar Pollut Bull 54:1413–1426
Rho TK, Lee TS, Lee SR, Choi MS, Park C, Lee JH, Lee JY, Kim SS (2012) Reference values and water quality assessment based on the regional environmental characteristics. J Korean Soc Oceangr 17:45–58
USEPA (2005) National coastal condition report II. United States Environment Protection Agency, Washington DC, 24 p
Williams M, Longstaff B, Buchanan C, Llanso R, Dennison W (2009) Development and evaluation of a spatially-explicit index of Chesapeake Bay health. Mar Pollut Bull 59:14–25
Xu FL, Lam KC, Zhao ZY, Zhan W, Chen YD, Tao S (2004) Marine coastal ecosystem health assessment: a case study of the Tolo Harbor, Hong Kong, China Ecol Model 173:355–370
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Kim, D., Baek, S.H., Yoon, DY. et al. Water quality assessment at Jinhae Bay and Gwangyang Bay, South Korea. Ocean Sci. J. 49, 251–264 (2014). https://doi.org/10.1007/s12601-014-0026-5
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DOI: https://doi.org/10.1007/s12601-014-0026-5