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화력발전소 냉각계통이 해양생물에 미치는 영향 I. 기초생산력에 미치는 영향
이순길,진평,YI Soon Kil,CHIN Pyung 한국수산과학회 1987 한국수산과학회지 Vol.20 No.5
본 연구는 1985년 5월부터 1986년 5월까지 삼천포 화력발전소를 대상으로 발전소 냉각계통의 가동이 식물플랑크톤의 기초생산력에 미치는 영향을 구명하기 위하여 실시되었다. 발전소 냉각계통이 총기초생산력에 미치는 영향은 평균 $7.5\~58.9\%(4.6\~12.1mgC/m^3/h)$이었으며, 순기초생산력의 경우는 이보다 높은 수준이 $58.7\~83.5\%(8.4\~11.9mgC/m^3/h)$. 영향요인 중 가장 큰 요소는 냉각계통 통과시 입는 기계적인 영향으로 그 범위가 $21.1\~110.7\%$에 달하였다. 삼천포 화력발전소 냉각계통에 이한 식물성탄소에 해당하는 량으로 추계되었다. To evaluate the effects of the cooling water system on the primary production of marine phytoplankton, a series of experiments were made at the cooling water system of Samchonpo Power Plant from May 1985 to May 1986. Mechanical and physiological perturbations of the entrained process are the most detrimental to the primary production of marine phytoplankton. Nevertheless the primary production is increased by the heated water within the upper limit of temperature tolerence of the phytoplankton. The cooling water system, on the average, reduces the gross production and net production by 4.6 to 12.1 and 8.4 to $11.9\;mgC/m^3/h$, respectively.
화력발전소 냉각계통이 해양생물에 미치는 영향 II. 저서생물에 미치는 영향
이순길,YI Soon Kil 한국수산과학회 1987 한국수산과학회지 Vol.20 No.5
본 연구는 1985년 5월부터 1986년 5월까지 삼천포 화력발전소를 대상으로 발전소 냉각계통의 가동이 저서생물군집의 천이에 미치는 영향을 구명하기 위하여 실시되었다. 발전소 냉각계통의 가동은 배수수 및 온배수 광산구역에 서식하는 저서동물의 부착적기에 많은 영향을 을 미치고 있었다. 배수로의 낮은 종분화도와 빈약한 부착정도는 이 지역에 출현하는 저서생물의 부착기유생이 냉각수에 의하여 공급되는 자원에 의존하고 있어, 높은 온도 및 빠른 유속에 더하여 부착기유생이 냉각계통 통과시 입는 영향이 가미되었기 때문이라 보여진다. 온배수 확산구역에서 종의 수는 취수로보다 적었지만 부착생물의 양이 컸던 것은 온도상승이 몇몇 종류는 도태시키는 결과를 보였지만 나머지 종들의 번식을 촉진시켰고, 또한 이 지역에 부착기유생 자원과 새로운 부착기질로 이동해 올 수 있는 동물자원이 풍부하였기 때문이라 생각되어진다. 취수로의 여름철 군집과 온배수 확산구역의 봄철 군집, 그리고 취수로의 가을철 군집과 온배수 확산구역의 겨울철 군집이 비교적 높은 유사성을 나타낸다는 점과 취수로 저서동물군집의 생태학론 지수곡선이 $1\~2$개월의 차이를 두고 배수로와 온배수 확산구역의 지수곡선 변화와 비슷한 변화추이를 보인다는 점은 매우 유의할 만한 현상이었다. To understand the effects of the cooling water system of the power plant on the succession of sessile zoobenthos, a series of experiments were carried out at the cooling water system of Samchonpo Power Plant from Hay 1985 to May 1986. The lowest species diversity of the zoobenthos was observed at the discharge canal. This is probably caused by both increased velocity and temperature of circulating water. It is also noticeable that species composition of the zoobenthos, to a certain degree, was affected due to the impingement of meroplankton during the entrainment process. While the number of species attached on the experimental substrata installed in the thermally altered area is smaller than that in the intake canal, the biomass is increased as the increased temperature eliminates some species and in turn stimulates reproduction and growth of the others. It is interesting that relatively high similarity exists between the summer communities in the intake canal and the spring communities in the thermally altered area, and the same relationship is also found between the fall communities in the intake canal and the winter communities in the thermally altered area. Ecological index curves of the zoobenthos of the intake canal follows the fluctuation pattern of the thermally altered area in one or two months of elapsed time, probably due to temperature increase by the inflow of heated water discharged from the power plant.
한국산(韓國産) 주요(主要) 이매패류(二枚貝類)의 마비성패독(痲痺性貝毒) 독화상황(毒化狀況)
전중균,이순길,허경탁,Jeon, Joong-Kyun,Yi, Soon Kil,Huh, Hyung Tack 한국해양학회 1988 韓國海洋學會誌 Vol.23 No.3
The toxicity of bivalves in the Korean waters was investigated during 1987-1988. The toxicity of paralytic shellfish poison (PSP) was found in the sea mussels (Mytilus edulis galloprovincialis, M. corsucus), scallops (Patinopecten yessoensis, Chlamys farreri), tellin (Peronidia venulosa) and venus clam (Ruditapes philippinarum) among the 28 species screened. The toxicity in mussels, scallop (C. farreri) and venus clam was mainly confirmed from the samples collected around Jindong Bay in the southern coast of the peninsula, whereas the toxicities of tellin and scallop (P. yessoensis) were found in the vicinity of Pohang in the east coast. Samples from the west coast showed low levels of toxicity than those from the east arid south coasts. Although it varied with the regions, the toxicity was detected mainly during April to June, exceptionally during May to August in Pohang. The levels of toxicity were generally below the criteria of 4 mouse unit (MU)/g edible portion in foreign countries, with few exceptions.
이재학,홍재상,이순길,Lee, Jae Hac,Hong, Jae-Sang,Yi, Soon Kil 한국해양학회 1983 韓國海洋學會誌 Vol.18 No.2
A semi-quantitative investigation on the subtidal macrobenthic community was carried out using dredge in Garolim Bay from February 1980 to June 1981.Of the 340 species of benthic fauna collected,the most dominant species with the numerical abundance of 12.3% was an ophiruroid,Ophiactis modesta which had a strong colony nature.Garolim Bay was also dominated by many suspension-feeders like Ophiactics modesta and Musculista senhousia. Due to hetergenorous sediments,Garolim Bay appeared to be rich and diverse in the faunal composition.Based on th topography of the bay and sediment types,the study area is easily divied into two zones;inner bay and outward bay area.
한영희,이진환,이순길 ( Younghee Hahn,Jin Hwan Lee,Soon Kil Yi ) 한국하천호수학회 1997 생태와 환경 Vol.30 No.4
In order to investigate the ignition loss, concentrations of organic carbon, organic nitrogen, cadmium, zinc and lead in the sediments of the lower part of the Han River, the present study was carried out seasonally at 7 stations during the period from June 1995 to June 1996. Ignition loss varied from the lowest value of 0.31% at Station 6 in October 1995 to the highest value of 37.03% at Station 3 in June 1996. Organic carbon varied from the lowest value of 0.10% at Station 7 in October 1995 to the highest value of 9.17% at Station 6 in May 1996. Organic nitrogen was hardly detected at any of the stations in May and June 1996, but in the other months, it varied in the concentration range of 0.01∼0.32%. Cadmium was not detected at any of the stations in June 1996 and at three stations in May 1996. However, cadmiun was detected particularly at high concentrations of 4.38㎍/g and 4.57㎍/g at Station 1 in May 1996 and at Station 3 in July 1995, respectively. Monthly average ooncentrations of zinc among 7 station varied considerably from the lowest value of 68.69㎍/g in October 1995 to the highest value of 244.77㎍/g in July 1995. Differences in average concentrations of zinc through a year were distinct among the stations with a tendency of a higher concentration at a lower station.The highest monthly average concentration of lead was 74.70㎍/g in July 1995 but it varied from 11.76㎍/g to 37.90㎍/g in the other months. Annual average concentrations of lead also showed a tendency of increasing at the lower part of the Han River. Annual average concentrations of organic nitrogen and carbon as well as zinc and lead appeared with the lowest value at station 1, with the highest value at Station 6 and with a relatively high value at Station 5. Temporal variation was greater than spatial variation in the concentrations of cadmium and lead in the sediments. Compared with a previous report in 1987, the concentrations of cadmium and lead at Station 1 in May and July were increased 3∼12 times in the present study. Continuous chemical studies are required to investigate characteristics of sediments at the lower part of the Han River.