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洛東江 河口域에 出現하는 黃록色 水色帶의 特性에 關한 硏究
박영관,오윤근,박청길,Park, Young-Kwan,Oh, Youn-Keun,Park, Chung-Kil 한국해양학회 1985 韓國海洋學會誌 Vol.20 No.3
Water quality of seawater samples from ten stations was measured and analyzed to study the causes and the characteristics of the yellowish-green-colored zone in the Nakdong Estuary in February, May, August and October, 1984. The color of the yellowish-green-colored zone was equivalent to the grade 7 according to the Forel water-color meter and was observable throughout the year. The characteristics of the zone were low in transparency and high in the concentration of suspended solids, and about 52% of the suspended solids consisted of volatile substances. The chlorophyll a contents ranged from 0.4mg/$m^3$ to 51.0mg/$m^3$ and dissolved oxygen was in a state of supersaturation within the yellowish-green-colored zone. Nutrient concentrations were higher within the colored zone than the outside. Positive correlation was observed between tne concentrations of nutrients and chlorophyll a. Our results showed that the signficant portion of suspended solids sampled from the yellowish-green-colored zone consisted of phytoplanktons of which bloom was possibly induced by inflow of the nutrient-rich Nakdong River water.
산사태(山沙汰)의 지질학적(地質學的) 원인(原因)에 관(關)한 연구(硏究) - 이동교리(二東橋里)를 중심(中心)으로 -
박영관 ( Young Kwan Park ) 한국농공학회 1965 韓國農工學會誌 : 전원과 자원 Vol.7 No.1
1. The Purpose of this study was to clarify the causes, of the land slide occurred at Itong Kyori at 2:00 A.M on September 13, 1964 and to consider how to cope with the future situation. The causes of the land slide: a) Though the concentrated heavy raining might be the direct cause of the land slide, the facts were more essential causes that the hill had nearly no trees and the mantle was at loose state containing a lot of boulders and regolith so as to be susceptible to the damage by the heavy raining. b) The granite belonged to the upper Daidong system of the mesogoic group and the granite could not resist the pressing force of the mudflow, since it had been undegone the yearlong weathering process through joints. c) The slope was generally ateep and so the rolling down of rocks and earth took place easily. Especially the exposed bed rock placed about the middle of the gully channel had the slope of nearly 30° and the length of over 30 m, so the mudflow fron here could display tremendous power due to the steep slope and the smooth sliding. 3. As to the prevention: a) The mantle should be solidify by the afforest ation of acacias. b) The wicker work should be carried out at the hillside to prevent the movement of the regolith and the planting of rapid-growing trees should be undertaken as soon as possible c) The torrent errosion control work should be carried out to prevent flood. Namely the curves and the cross-section of the gully channel should be improved to let the upper water quickly flow into the river.
독도근역(纛島近域)의 지질(地質) 및 토양(土壤)에 관(關)한 연구(硏究)
박영관 ( Young Kwan Park ) 한국농공학회 1971 韓國農工學會誌 : 전원과 자원 Vol.13 No.4
Geology of the Dogdo Quadrangle consissed of metamorphosed sediments and granite. By microscopic observation the writer divided the former rocks into the feldspar quartz schist, biotite gneiss and sericite schist. The Seoul granite, which has intruded in the feldspar quartz schist, is distributed in the west half of the age Dogdo quadrangle. The Seoul granite is believed to have intruded in jurassic period, but the age of the metamorphic rocks is Pre-jurassic, though the schist and gneiss have been correlated to the Yeoncheon System of Precambrian. Soil samples were sampled from the locations where no contamination of other rockes is permitted. Results of mechanical analysis, PH and soil structure of the samples are shown, Soils from metamorphic rocks have been subjected to more weathering than granite soil though some of them have higher sorting coeffcient.
박영관(Young Kwan Park) 한국사회체육학회 1998 한국사회체육학회지 Vol.9 No.-
This study was to light up the phases of social life by era through representative literary works and sports in England, and looks around the origins and roles of sports through literary works. By literary works including the spirit of the time and the view of value in a certain era, I could know their way of thinking and life-styles. The social system made in such a frame of thinking reflected the features of sports. Since Greeks made sports to praise and pray for abundance to their gods and goddesses having been believed to rule over their lives they have come to enjoy these sports. And they also spared no efforts to build up healthy body to protect themselves from invaders. But during the middle ages when christianity prevailed over as the moral support these sports was to be maintained restrictedly under the feudal regime. After anthropocentricism was restored with humanism of Renaissance they noticed the importances of human body. Correspondingly sports also came to be developed with this understanding. Since the modern Olympics opened the sports have won the recognition of their unique value from public and have charged the post as the part of our lives.