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제주도 해안에서 해저지하수의 유출에 의한 환경화학적 특성과 유출량 측정
박관석(Gwan-Serk Park),김규범(Gue-buem Kim),양한섭(Han-Seob Yang) 한국해양환경·에너지학회 2004 한국해양환경·에너지학회 학술대회논문집 Vol.2004 No.-
We measured seepage rates of coastal groundwater from a volcanic island, standing in the South Sea of Korea. The seepage rates measured along the sandy coast were in the range 50~280 m/yr, which are much higher than those reported from typical continental coast. On the eastern coast of Jeju, almost all groundwater discharge is attributed to recirculating seawater, while fresh groundwater contributes about 20% of the total submarine groundwater discharge(SGD) on the western coast of Jeju. Thus, submarine groundwater discharge appears to be important for the management of water resources in western Jeiu, The measured radionuclides (<SUP>228</SUP>Ra, <SUP>226</SUP>Ra, and <SUP>222</SUP>Rn) and nutrients in the groundwater suggest that the discharge of both fresh and recirculated seawater will have a significant influence on the budget of coastal nutrients and other chemical constituents in this region.
박관석,오윤근 제주대학교 환경연구소 1995 환경연구논문집 : 제주대 Vol.3 No.1
This study was performed about some major items such as Water Temperature, Salinity, pH, COD, T-N and PO_(4)^(3-)-P on to examine the water quality characteristics of ground-seawater in the eastern and the southern coasts of Cheju island from May to September in 1994. The water temperature in ground-seawater was about 17±1℃ in two coasts, but that in natual-seawater changed greatly amrclmg to season. COD in natual-seawater was 0.79-0.82mg/l. and was higher than that of ground-seawater bemg 0.53-0.54mg/l. The concentration of T-N and PO_(4)^(3-)-P in ground-seawater were hgher than those of natual-seawater: Average concentrations of T-N and PO_(4)^(3-)-P in ground-seawater were 24.72~26.79 ㎍-at/l and 1.15-1.16 ㎍-at/l respectively, whde those in natual-seawater were 3.54~3.65 ㎍-at/I and 0.32-0.34 ㎍-at/l respectively.
제주도 남부해안에서의 지하해수에 대한 화학적 특성에 관한 연구
박관석,오윤근 제주대학교 환경연구소 1995 환경연구논문집 : 제주대 Vol.3 No.1
Geochemical characteristics of ground-seawater have been studed in the souterncoast areas(F'yose0n) of Cheju Island from July to Sptember 1994. The results are summarizedas fobws. 1) The water temperature of the ground-seawater was approximately 17±1℃ and remained almost constant. 2) As to the chemical compositiOn of standard-seawater contained 38.7% of Na^(+) and ground-seawater contained 39.5%, on the other hand the etandard-seawater contained 8.8% Mg^(2+) the ground-seawater contained 7.9%. 3) The chemical charadexistics of ground-seawater seem to be determined by Na^(+) and Mg^(2+) contents, therefore these two elements are considered to be important for detemmmg the chemical composition.
제주도 동부해안에서의 지하해수에 대한 화학적 특성에 관한 연구
오윤근,박관석 제주대학교 환경연구소 1994 환경연구논문집 : 제주대 Vol.2 No.1
Hydrographic conditions (temperature, salinity, precipitation) and geochemical characteristics of ground-seawater have been studied in the easterncoast areas (Kimnyoung) of Cheju Island during July to September 1994. The results are summarized as follows. 1) The water temperature of the ground-seawater was approximately 17 ±1℃ and remained constant. 2) standard-seawater contained 38.69% of Na^(+), and 8.82% of M^(++), while ground-seawater contained 39.33%, of Na^(+) and 7.78% of M^(++). 3) The chemical characteristics of ground-seawater seemed to be determined by the component rates of Na^(+) and Mg^(++), therefore these two elements are considered to be important for determining the chemical composition. of ground-seawater.