• 제목/요약/키워드: Sea pollution

검색결과 678건 처리시간 0.02초

황해에 있어서의 해양오염방지를 위한 지역적 협력에 관한 연구 (A Study on the Regional Cooperation for the Prevention of Marine Pollution in the Yellow Sea)

  • 이윤철;최성규
    • 한국항해학회지
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    • 제16권2호
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    • pp.41-52
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    • 1992
  • It is, as everyone knows, very important for human beings to protect and conserve marine environment. We has believed the ocean is so wide and deep that it cannot be polluted. But it has begun to doubt the capacity of self-purification of the ocean due to pollution arising from marine casualities. It has proved that semi-enclosed sea is likely to be polluted and cannot be restored easily once pollution occurs. Therefore, first of all it is important to take preventive measures for prevention of marine pollution in the semi-enclosed sea like the Yellow Sea. Many of regional conventions for prevention of marine pollution have come into existence. this dissertation was set out for the fact that the Yellow Sea is semi-enclosed sea which is vulnerable to marine pollution. It is desirable not to deal with marine preservation of the Yellow Sea by a single exclusively but to deal with it by cooperation of all coastal states under the present circumstances. I proposed a program of regional cooperation to protect and conserve the Yellow Sea. This program must be progressed with gradual arrangements. First, they must establist a basic cooperation committee to work basic affairs on the protection of marine environment within the Yellow Sea. The Committee Mainly play parts of study and research concerned with pollution of the Yellow Sea in the non-governmental side and consist of legal and scientific experts. Second, they must establish the control Committee to prevent marine pollution of the Yellow Sea substantially. There is a reason that regional cooperation cannot be directly concluded with the regional tready. Because there is a problem of Recognition of States left. In principle, a subject of tready must be a state in the International Law. But they have not made Recognition of State which is demanded by International Law between North and South Koreas. Therefore, the Control committee must play a substantial part of prevention from pollution instead of the treaty. Finally, we concluded tentatively named $\ulcorner$Convention on Regional Cooperation for Protection of Marine Environment of the Yellow Sea from Pollution$\lrcorner$ if the matter is settled which is related to Recognition of States in the International Law.

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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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    • 제19권E2호
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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.

해풍이 부산 지역의 대기 오염 농도에 미치는 영향 (The Influences of Sea Breeze on Air Pollution Concentration in Pusan, Korea)

  • 전병일;김유근;이화운
    • 한국환경과학회지
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    • 제3권4호
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    • pp.357-365
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    • 1994
  • Air pollution characteristics and the influence of sea breeze on air pollution concentration were studied using the data measured at 7 air quality continuous monitoring stations in Pusan, 1993. Maximum air pollution concentration in Pusan was Gamjeondong for $SO_2$, Sinpyeongdong for TSP, Daeyeondong for $O_3, Kwangbokdong for $NO_2$, Beomcheondong for CO and all substances were under annual ambient air quality standards. Increased rate of concentration for sea breeze was 24.4% for 502, 31.5% for TSP, 8.0% fort $O_3, 26.7% for $NO_2$, 15.7% for CO. Frequencies distribution of $SO_2$, TSP, $O_3$, $NO_2$, and CO concentration for sea breeze moved toward high concentration class.

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Evaluatinon of the Surface Water in Southwest Area of Vietnam

  • Thai, Thanh Luom
    • 환경영향평가
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    • 제18권6호
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    • pp.445-452
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    • 2009
  • This study surveys the surface water environment in Southwest sea areas of Vietnam in order to evaluate the current environment. It collects and analyzes experimental results of programs, scientific subjects, and international projects relevant to ecological areas and coastlines of Kien Giang province. The methods analyzed and discussed by specialists are evaluated according to pollution coefficients established by the World Health Organization (WHO), sampling methods, and case study analyses. Comparison between the scale of pollution levels and the surface water quality in experimental areas of Long Xuyen Quadrangle shows a light-moderate pollution level. In Ca Mau Peninsula, the surface water source is only slightly polluted. Sea areas and islands are also light-moderately polluted. Computing results from water quality indices (WQI) show the level of pollution in experimental sites. Activities such as constructing infrastructures for tourism, exploiting minerals, and increasing population accelerate environmental pollution by deteriorating inherently sensitive ecosystems like corals, sea grass, mangrove swamps, and Melaleuca forests. Surveying and evaluating the present situation of surface water are fundamental solutions for environmental protection in the Southwest sea areas of Vietnam.

해륙풍을 고려한 울산지역 대기오염물질농도의 수치모의 (A Numerical Simulation of Air Pollutant Concentration Considering Land and Sea Breeze in Ulsan Area)

  • 이화운;원경미;정우식;오은주;김민선;도우곤
    • 한국환경과학회지
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    • 제11권9호
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    • pp.933-943
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    • 2002
  • The urban pollution if affected by local environmental, so it is necessary to consider area characteristics such as emission source and meteorological phenomena, in studying urban air pollution. Ulsan is laocated on south-east coast and has many industrial facilities, so many people have concerned about air pollution. This study contain conducting numerical simulation of air pollutant concentration considered land and sea breeze in Ulsan area with the numerical model.

강우에 따른 거제만해역 육상오염원의 영향평가 (Evaluation of the Influence of Inland Pollution Sources on Shellfish Growing Areas after Rainfall Events in Geoje Bay, Korea)

  • 하광수;유현덕;심길보;김지회;이태식;김풍호;주자연;이희정
    • 한국수산과학회지
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    • 제44권6호
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    • pp.612-621
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    • 2011
  • The influences of inland pollution sources because of rainfall events on the bacteriological water quality in Geoje Bay, a major shellfish production area in Korea, were investigated. The sanitary status of sea water and shellfish after rainfall events was also evaluated. The flow rates of 13 streams around Geoje Bay showed 6 to 7-fold increases after 15 to 21 mm of rainfall. Peak pollution was observed in the Naegan Stream, the Gandeok Stream and the Seojeong Stream. The calculated impact area of inland pollution sources was 3.1 $km^2$ immediately after 15 mm of rainfall and expanded to 3.5 $km^2$ after 24 hours. These calculations of impacted area matched results from fecal coliform analyses with sea water. The distance between the major pollution source in the bay (the Gandeok Stream) and the station with the worst bacteriological water quality immediately after 15 mm of rainfall, which was below the Korean standard, was 0.8 km in a straight line; this distance increased to 2.0 km after a period of 24 hours. The area impacted by inland pollution sources after a 15 mm rainfall event was wider than after a 21 mm rainfall. Although the flow rate from inland pollution sources was higher, the concentration of fecal coliform in the discharged water was lower after higher rainfall events. These observations corresponded with the results of fecal coliform analyses with sea water samples. According to the evaluation of the influences of inland pollution sources and fecal coliform analyses on sea water and shellfish samples in Geoje Bay, pollutants from inland sources did not reach the boundary line of the shellfish growing area after rainfall events of 15 or 22 mm. The bacteriological water quality of the shellfish growing area in Geoje Bay met the Korean standard and US NSSP requirements for approved shellfish growing areas.

자란만사량도 해역의 굴(Crassostrea gigas) 및 육상오염원에서 분리한 대장균(Escherichia coli)의 항생제 내성 (Antimicrobial Resistance of Escherichia coli Isolated from Oysters Crassostrea gigas and Major Inland Pollution Sources in the Jaranman-Saryangdo Area in Korea)

  • 권지영;권순재;양지혜;목종수;정상현;하광수;이희정;정연중
    • 한국수산과학회지
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    • 제52권6호
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    • pp.605-616
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    • 2019
  • This study evaluated the abundance and antimicrobial resistance of Escherichia coli in oysters Crassostrea gigas and major inland pollution sources sampled in 2014-2015 from Jaranman-Saryangdo on the southern coast of Korea. The ranges of the geometric mean of E. coli concentrations in oysters and major inland pollution sources were <20-29.8 MPN/100 g and 7.5-137.2 MPN/100 g, respectively. We isolated 247 strains of E. coli (28 from oysters and 247 from major inland pollution sources) and examined the antimicrobial resistance patterns of all isolates. Isolates from both sources were highly resistant to rifampin (99.5-100%) and cephalothin (70.8-78.6%). The resistance rate was higher in E. coli isolated from oysters those from inland pollution sources. Multiple resistance against at least four antimicrobials was observed in 85.7% and 21.0% of the oyster and major inland pollution sources isolates, respectively.

부산 연안역의 오존 농도에 미치는 해풍의 영향 (The Influences of 5ea Breeze on Surface Ozone Concentration in Pusan Coastal Area, Korea)

  • 김유근;이화운
    • 한국환경과학회지
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    • 제5권3호
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    • pp.265-275
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    • 1996
  • Air pollution characteristics and the influence of sea breeze on surface ozone concentration were studied using the data measured at 7 air quality continuous monitoring stations from June to September using 3 years (1990, 1993, 1994) in Pusan coastal area. Among the 246 sea breeze days for research Period, there were approximately 89 sea breeze days (36%) from lune to September, And there were 120 the episode days (68%) of ozone greater than or equal to 60 ppb in summer season. In 89 sea breeze days, the episode day was highly marked as 56 days (63%). So, we knew that the sea breeze greatly affects the occurence of ozone episode day. the ozone concentration under the condition of the sea breeze increase about 40% in the daytime. Frequencies distribution of $O_3$ concentration for sea breeze moved toward high concentration class. The characteristics of ozone concentration in relation to meteorological conditions of sea breeze is significant because we can discover major weather factors for eastablishing an air pollution- weather forecast system. For further. study about meterological approach method for photochemical air pollution, it is necessary to explain the characteristics of atmosphere below 1, 000 m, especially concerning the formation mechanism of inversion layers. And finally, we will study the relationships to synoptic weather conditions and vertical structure and diurnal variation of local wind systems including sea breeze, and the vertical movements of atmosphere in the city.

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HEBEI SPIRIT호 기름유출사고에 의한 서남해안 유입 타르볼의 방제 (Response of Tarball entering the South-Western Sea by HEBEI SPIRIT Oil Spill)

  • 오정우;조현진;김두호;나은영;장명길;황성훈;신재길
    • 해양환경안전학회:학술대회논문집
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    • 해양환경안전학회 2008년도 춘계학술발표회
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    • pp.121-124
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    • 2008
  • 2007년 12월 7일 HEBEI SPIRIT호 기름유출 사고로 인해 형성된 타르볼이 12월 27일부터 서남해역에 유입되기 시작하였다. 유입된 타르볼은 해경을 중심으로 한 방제세력에 의해 해상 및 해안에서 제거되었으며, 해상 및 해안에 있어서 각각 0.345톤 및 1,739톤의 타르볼이 수거되었다. 서남해역 타르볼 방제에 동원된 방제인력은 약 2만 5천명의 자원봉사자를 포함하여 총 9만 7천명으로 파악되고 있다. 본 연구에서는 뜰채나 그물 등 서남해권내의 해상과 해안에 유입된 타르볼의 방제에 실제적으로 사용되었던 방제방법들을 소개하였다.

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창선 해역의 지중해담치(Mytilus galloprovincialis) 양식장 및 육상오염원에서 분리한 대장균(Escherichia coli)의 항생제 내성 (Antimicrobial Resistance of Escherichia coli Isolates from Mussel Mytilus galloprovincialis Farms and Inland Pollution Sources in the Changseon Area, Korea)

  • 권순재;이가정;정연중;박상기;고경리;양지혜;목종수
    • 한국수산과학회지
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    • 제49권5호
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    • pp.564-572
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    • 2016
  • In this study, we isolated and characterized Escherichia coli from mussels and inland pollution sources in or in proximity to the Changseon area on the southern coast of Korea in 2014. A total of 147 strains of E. coli were isolated from 54 mussels and 32 pollution-source samples. The susceptibility of the isolates to 24 antimicrobial agents was analyzed. The resistance of E. coli isolates to rifampin was highest at 100%, followed by cephalothin (98.6%), tetracycline (91.8%), amikacin (81.0%), ampicillin (79.6%), cefazolin (79.6%), streptomycin (73.5%), piperacillin (70.7%), gentamicin (37.4%), cefoxitin (35.4%), cefamandole (34.7%), tobramycin (29.9%), amoxicillin/clavulanic acid (24.5%), nalidixic acid (21.8%), trimethoprim (19.0%), chloramphenicol (17.7%), cefotaxime (12.9%), trimethoprim (10.9%), ceftazidime (10.2%), aztreonam (7.5%), imipenem (2.7%), cefepime (2.0%), and cefotetan (0.0%). In addition, the antimicrobial resistance of E. coli isolates from inland pollution sources was slightly greater than or similar to that of isolates from mussels.