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홍기훈,김경태,배세진,김석현,이수형,HONG, GI HOON,KIM, KYUNG TAE,PAE, SE JIN,KIM, SUK HYUN,LEE, SOO HYUNG The Korean Society of Oceanography 1991 韓國海洋學會誌 Vol.26 No.3
The annual cycles of plant major nutrients and dissolved oxygen in a nutrients-rich semi-enclosed coastal inlet, chinhae Bay, of the southern coast of the Korean Peninsula are first presented. The water column of the bay is stratified during summer (April-late September) and well0mixed during winter (October-March). During the summer stratification period, dissolved oxygen contents exceed 400uM in the surface but diminish to less than 50uM in the near bottom waters, which often results in an anoxic environment in the inner part of Chinhae Bay. After the breakdown of the stratification in October, dissolved oxygen concentration remains undersaturated until February. The evidence of allochthonous input of N-nutrients throughout the year is readily seen in the water column: however. crude budget calculations show that the nutrients are efficiently utilized within the bay ecosystem, and that export of the nutrients from the bay to the shelf must be negligible. There is no sign of the enrichment of the nutrients in the water column. The eutrophication phenomenon sensu stricto is not observed in chinhae Bay. Using the standing stock of dissolved oxygen and estimation of the oxygen fluxes across the air-sea boundary, a benthic oxygen respiration rate during winter is estimated conservatively at 21-24 mmol Cm/SUP -2/d/SUP -1/. this oxygen respiration rate accounts for about 20% of the total phytoplankton production in winter.
진용현(Yong Hyun Chin),김경태(Kyung Tae Kim),김석현(Suk Hyun Kim),양동범(Dong Beom Yang),홍기훈(Gi Hoon Hong),이광우(Kwang Woo Lee) 한국물환경학회 2000 한국물환경학회지 Vol.16 No.4
To study the distribution and the behavior of trace metals in Kwangyang Bay, surface water samples were collected four times from August 1997 to May 1998 and were analyzed for trace metals (Cd, Co, Cu, Fe, Ni, Pb, Zn) by Atomic Absorption Spectrometer and Inductively Coupled Plasma Mass Spectrometer. Dissolved Co and Fe concentrations were comparatively high near the Seomjin River mouth. Particulate trace metal contents were relatively high near the Sueochun River mouth and near the Yeochun industrial complex. Distribution coefficients (K_d; Lkg¹) between dissolved and particulate phases of Fe, Pb, Co, Zn, Ni, Cu and Cd were 1.67×10^8, 1.37×10^6, 7.25×10^5, 4.43×10^5, 1.39×10^5, 9.1×10⁴ and 1.8×10⁴, respectively. In Kwangyang Bay, particulate trace-metal concentrations were as high as dissolved ones and showed seasonal and geographic variations.
서해중부 연안에 서식하는 패류 체내의 PCBs와 PAHs 축적특성
주효정(Hyo Jung Ju),유준(Jun YU),양동범(Dong Beom Yang),김경태(Kyung Tae Kim),홍기훈(Gi Hoon Hong),신경훈(Kyung Hoon Shin),최청일(Chung Il Choi) 한국해양환경·에너지학회 2004 한국해양환경·에너지학회 학술대회논문집 Vol.2004 No.-
The composition of PAHs and organochlorines in Manila clams collected on the mid-western coast of Korea was studied. MW202 and MW228 appeared as important individual PAH compounds implying that pyrolytic PAH is an important source for PAHs in the study area. Tetra-chloro CB appeared to be the most important congener of PCBs found in the intertidal sediments. Tetra-chloro CB and Petra-chloro CB appeared to be important congener of PCBs found in Manila clams. The reason for the different accumulation pattern of organic pollutants in Manila clams and oysters are discussed.