• Title/Summary/Keyword: ground pollution

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Ground Water Pollution Status of Agricultural Water Source of Greenhouse Area in Gyeongnam (경남 시설원예지 농업용 지하수의 수질 현황)

  • 이성태;조주식
    • Journal of Environmental Science International
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    • v.7 no.4
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    • pp.531-540
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    • 1998
  • To examine water pollution status of agricultural water source of greenhouse area in Gyeongnam, the ground water quality was investigated six times at five areas in Gyeongnam from October in 1995 to March in 1996. pH of ground water were generally in the range of 5.9∼7.6. But a site in Changnyeong area was out of the range In 6.0∼8.5 which is water quality standard for agriculture. COD of ground water was below 2.8mg/l. NH4+-N contents in ground water was very low in all areas and the average of NO3'-N contents in Changnyeong and Chinju area was high with 13.2 and 11.5mg/l respectively. Hardness, SO42- and EC of ground water In Hmm were higher than any other area. Fe and Mn contents of ground water in Kimhae were higher than any other area with 7.17 and 0.95wt, respectively. Heavy metals such as Cu, Cd, Pb and Zn of ground waker were below water Quality standard far agriculture but some sites were over. Between COD and SS in ground water were not correlated with rInG.338,'but between COD and NH4+, -N were positively correlated. And EC was positively correlated with Ca2+, Mg2+ and SO42-. Ground water pollution status of agricultural water source of greenhouse area in Gyeongnam was genrrally high in order of Sacheon < Chinju < Hmn < Kimhae < Changnyeong.

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On large-scale Air Pollution in the Yellow Sea Region: Satellite and Ground Measurements

  • Y. S. Chung;Kim, H. S.;Kim, Y. S.
    • Journal of Korean Society for Atmospheric Environment
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    • v.19 no.E2
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    • pp.83-88
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    • 2003
  • The present study details air pollution measurements in the Yellow Sea of East Asia. Large-scale air pollution was observed through satellite images and ground monitors in Chongju-Chongwon of central Korea. Evidence of a duststorm transport and resulting dustfall from the Gobi Desert in north China and Mongolia is shown. Also, transport of anthropogenic air pollutants from China to the Yellow Sea, Korea, and Japan was detected and discussed. It was found that the level of air pollution concentrations at a regional back-ground site increased 2 ∼ 4 times than the values observed with the relatively clean air, when massive air pollution from China moved to the Korean Peninsula. Satellite measurements will be useful for monitoring regional- and global-scale air pollution in the future.

Satellite monitoring of large-scale air pollution in East Asia

  • Chung, Y.S.;Park, K.H.;Kim, H.S.;Kim, Y.S.
    • Proceedings of the KSRS Conference
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    • 2003.11a
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    • pp.786-789
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    • 2003
  • The detection of sandstorms and industrial pollutants has been the emphasis of this study. Data obtained from meteorological satellites, NOAA and GMS, have been used for detailed analysis. MODIS and Landsat images are also used for the application of future KOMPSAT- 2. Verification of satellite observations has been made with air pollution data obtained by ground-level monitors. It was found that satellite measurements agree well with concentrations and variations of air pollutants measured on the ground, and that satellite technique is a very useful device for monitoring large-scale air pollution in East Asia. The quantitative analysis of satellite image data on air pollution is the goal in the future studies.

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Effect of Tillage on Nonpoint Source Pollution of Surface and Ground Water System (I); Effect of Tillage Practices on Density and Saturation of Soil

  • ;shirmohammadi,Adel
    • Magazine of the Korean Society of Agricultural Engineers
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    • v.34 no.E
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    • pp.1-11
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    • 1992
  • Increasing national concern on nonpoint source pollution of surface and ground water Systems has led researchers and policy makers to develop certain agricultural Best Management Practices. As an initial step of broad study program above mentioned, this study reflected the effects of different tillage practice on bulk density and degree of saturation on two regional soils, namely Tama silt loam and Catlin silt loam. Results may help to clarify some of the conflicting findings on the impact of tillage systems on these parameters and it may also explain some of the reasons for specific role that different tillage systems play regarding nonpoint source pollution from agricultural fields.

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Development study of ground water management system making use of GIS ( Well analysis program, connection program of ground water modeling ) (GIS를 이용한 지하수관리시스템 개발 연구 (관정분석 프로그램, 지하수모델링 연계프로그램))

  • 이병호;김양빈;설민구;송양권;송무영
    • Proceedings of the KSEG Conference
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    • 2002.04a
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    • pp.235-248
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    • 2002
  • Ground water development skill growth and life circumstances improvement increase ground water use. So managerial difficulties and various problems about ground water occur. Poor ground water management organization, lack of management person, thoughtless development add ground water pollution and lack of water volume. And local excessive developments or abandoned well occur. This paper presents ground water management system model making use of GIS and helps effective management by realizing necessary analysis functions in ground water management system and ground management methods. Local information of ground water recorded and development data, site examination data made D/B. And linearment analysis data making use of a satellite image data, hydraulic test data, the quality of water examination data, these local characteristic values made out thematic maps and making use of these data can form elementary data of ground water modeling It makes easy to understand environmental development conditions and pollution source conditions about new ground water development location, linearment growth, DRASTIC, the quality of water examination. Ground water management system making use of these functions can choose right location of ground water.

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Construction of Three Dimensional Soil Cadmium Pollution Map Using Geotechnical Information DB System (국토지반정보시스템을 이용한 3차원 토양오염지도 구축)

  • Hwang, Dae Young;Kang, In Joon;Jang, Yong Gu;Kim, Soo Kyum
    • Journal of Korean Society for Geospatial Information Science
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    • v.24 no.4
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    • pp.13-19
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    • 2016
  • This study presented the build-up of three-dimensional soil pollution map for precise analysis. To do this, survey on the existing pollutant region on Dongnae-gu, Busan that is the study subject, showed that it tended to produce 0.72 clusters. So, this study suggested to investigate center of $1km{\times}1km $ grid and, as the results of comparing the pollution map that input pollution figure values based on the actually investigation point showed precise results. And, it divided the standard of pollution into 5 levels in surface and underground space and the map was built up using IDW interpolation against the amount of polluted substance. The pollution of ground surface, flow of polluted substance, coefficient of permeability and ground water level that are 504 geotechnical informations were selected as the influential parameters in pollution analysis of underground space, and it calculated that to 0~20 points by dividing the characteristics. It enables the build-up of pollution map of ground surface-underground with depth that considers the characteristics of soil layers and it is considered that it is possible to analyze the general infiltration. And, it was considered that it enables more accurate forecast about influential analysis per depth and pollution of underground water.

A Impact Analysis of Air Quality by Air Pollution Control Facilities Improvement on Point Source Pollution (점오염원의 대기오염방지시설 개선에 의한 대기질 영향 분석)

  • Jeon, Byeong-Geun;Lee, Sang-Houck
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.16 no.4
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    • pp.2876-2882
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    • 2015
  • The object of this study is to identify changes in air pollution in the maximum ground level concentration and the surrounding area when air pollution control facilities are improved in the thermal power plants. The effects of improved facilities are analyzed by comparing air quality after applying improved air pollution control facilities. For prediction of air quality, the change of wind field can be represented with movement of Puff and CALPUFF Model, air pollution diffusion models which can implement abnormal conditions. Major air pollutants of thermal power plants such as $SO_2$, $NO_2$, and $PM_{10}$ are selected as prediction items. That results show that improvement of air pollution control facilities is significantly effective in reduction of air pollution of $SO_2$ and $NO_2$ in the maximum ground level concentration and areas around of thermal power plants. In the case of $PM_{10}$, it is found that the effect of reduction in pollution is high in the maximum ground level concentration, but the effect of reduction in air pollution is somewhat low in the area around of the thermal power plant.

A Study on the Correlation between River Contamination Level and Ground Pollution Source through Korean Case Study (국내 사례분석을 통한 하천오염도와 지반오염원의 상관관계에 관한 연구)

  • Choi, Joohwan;Song, Wonjun;Lee, Junhwan
    • Journal of Korean Society of societal Security
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    • v.3 no.1
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    • pp.51-60
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    • 2010
  • This study measured for comparison and analysis the correlation of River pollution and Soil contamination, based on the results of previous research, and then in order to increase the efficiency of study, heavy metals which cause serious side effects was limited to the case among pollutants. This study focused on the rivers that near the Urban and industrial districts, for example, Nak-Dong river, An-Yang river, Tae-Hwa river and the rivers that near the farm land or pasture, for example, Yeong-San river, Mi-Ho river, then compare and analyze the degree of actual pollution as gathered the results of Previous research. Correlationship about pollutants of river near the Urban, industrial area and drainage basin its river has been proven, and this expected because of the strong influence by point pollution source. On the other hand, I can found the opposite relationship where the river near the farm land or pasture, and this probably because of the influence by nonpoint pollution source.

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Estimation of Household's Willingness to Pay for Ground Water Pollution Improvement (지하수오염 개선에 대한 지불의사액 추정)

  • Yoo, Seung-Hoon;Lee, Joo-Suk
    • Journal of Korea Water Resources Association
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    • v.43 no.9
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    • pp.835-842
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    • 2010
  • This paper attempts to examine households' willingness to pay (WTP) for ground water pollution improvement which can be used in cost-benefit analysis on the project for developing the soil pollution control technique. We applied a contingent valuation (CV) method to obtain at least a preliminary evaluation of the WTP. The CV survey was rigorously designed to comply with the guidelines for best-practiced CV studies. We surveyed a randomly selected sample of 500 households in Seoul metropolitan area and asked respondents questions in person-to-person interviews about how they would be willing to pay for the program. Respondents overall accepted the contingent market and were willing to contribute a significant amount (1,195 to 1,552 won), on average, per household per year. The aggregate value of the project for developing the soil pollution control technique amounts to approximately 20.3 billion won per year. The household values can be the benefits that ensue from the project and compared with the costs of the program to determine whether the project is economically desirable.

A Study on the Insurance System for Oil Pollution Risk (유류오염 리스크와 보험담보의 문제)

  • Choi, Mi-Soo
    • THE INTERNATIONAL COMMERCE & LAW REVIEW
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    • v.41
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    • pp.185-202
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    • 2009
  • With the rapid development of oil and chemical industry in the late 20C, massive transportation of oil by oil tanker vessel has grown and it caused the big oil pollution accidents. When oil spill from the oil tanker, damages reach into the astronomical figures in economically and damages affect wide area and many people with break the balance of ecosystem. Recently in Korea, the oil pollution accidents has occurred frequently as growing of oil consumption and it caused large-scale damages to the victim. Oil pollution in Korea offshore takes not only Korean fisherman from their life ground and break the ecosystem but it takes too much time and money to recover. To minimize oil pollution damages, it is necessary to make pre-caution effort as a ship owner and relevant government bodies should endeavor to prevent from more damages. But once oil pollution accidents occurs in territorial sea, compensation for victim is very important. But it is true that compensation is not paid to victim smoothly. So this study aims at the problems of oil pollution compensation to the Korean victim and find the best way to get reasonable compensation.

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