• 한국물환경학회지
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• 제30권6호
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• pp.585-595
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• 2014

The temporal trends of the prioritized toxic water pollutants generated and discharged from the industrial facilities in the Geum-River basin, Korea were analyzed with the results of the nationwide Water Pollution Source Survey conducted in 2001 - 2012. The statistical results indicated rapid increase in the volume of raw toxic wastewaters whereas the amount of each toxic pollutant kept fluctuating for 12 years. Serious discrepancies in the survey data of the same type of industries demonstrated a low reliability of the survey result, which stemmed from several error factors. A unit-load for each type of industrial facility was devised to estimate the amount of prioritized toxic water pollutant based on the total volume of industrial wastewater generated from the same type of industrial facilities. The supplementary measures with an effective permit issuance policy and adding survey parameters of terminal wastewater treatment plants to use them as references to the Water Pollution Source Survey were suggested as means to minimize the errors associated with the false reports from the industries.

• 한국조경학회지
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• 제13권1호
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• pp.1-24
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• 1985

The pinus trees planted by the road in the Seoul -Suwen high-way was surveyed on the damages due to air pollution during April and May in 1984. The results were as follows ; The concentration of SO$_2$was ranged from 0.003 to 0.05ppm, NOx from 0.03 to 0.1ppm and the amount of dust fall, from 10 to 110ton/km$^2$/month. While the concentrations of gaseous pollutants such as SO$_2$and NOx were notsignificantly different in the type of road and with in the distence of 20 meters from the road the dust falls were decreased as remoted from the road. The tissue damages of leaves were determined by the microscopic observation. The higher concentration of dust fall on the leaf, the more severe damage observed in the stomata. The attached dust of the leaves were ranged from 1l to 75mg/g of leaf, and those were significantly incereased as near from road. The sulfur contents of leaves were measured at 0.15g/100g of leaf in the 5 meters located and at 0.064g/100g of leaf in the 20 meters, and the lead contents, 45ug/g of leaf in the 5 meters and 24ug/g in the 15 meters. The appearent damages of plant were very much corelated to the attached dusts of leaves the sulfur contents and the amount of dust fall, and the multiple regression analysis between the damages and factors of air pollution were under taken. As increment of vehicle in future, the air Pollution was predicted and the plant damages were estimated.

• 한국인터넷방송통신학회논문지
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• 제21권1호
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• pp.181-187
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• 2021

최근 들어 대기오염으로 인한 피해를 줄이기 위하여 다양한 대기오염 요소를 측정, 분석하고 있다. 이 과정에서 다양한 원인으로 인하여 적지 않은 결측치가 발생한다. 이를 보완하기 위해서는 방대한 크기의 학습 데이터를 필요로 한다. 본 논문에서는 적은 양의 학습 데이터를 이용하여 오존, 이산화탄소, 초미세먼지 등을 측정하는 과정에서 발생하는 결측치를 효과적으로 보완하는 통계적 기법을 제안한다. 제안 알고리즘은 우선 기상데이터와 대기오염도 요소 간의 상관관계, p-값 등의 통계정보 분석을 통해 결측치 보완에 긍정적인 영향을 줄 것이라 예상되는 기상데이터 그룹을 추출한 다음, 이들을 분석하여 효율적이고 효과적으로 결측치를 보완하는 기법이다. 제안 알고리즘의 성능을 확인하기 위하여 다양한 실험을 통하여 널리 알려진 대표적인 알고리즘들과 그 특성을 비교분석한다.

• 한국환경과학회지
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• 제29권12호
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• pp.1249-1260
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• 2020

Non-point source pollutants have characteristics the render them difficult to manage owing to the uncertainty of flow paths. As agricultural non-point sources account for more than 57% of non-point source pollutants, the necessity for management is increasing. This study examines the possibility of utilizing land cover maps to suggest a more appropriate method of setting management priority for agricultural non-point sources in the Daecheong Lake area and draws implications by comparing the results derived using the cadastral map, as mentioned in the TMDL Basic Policy. To define the prioritized areas for management, the pollution load was calculated for each subbasin using the formula from the TMDL technical guidelines. As a result, the difference in the average pollution load between the land cover map and cadastral map ranged from 11.6% to 21% among the subbasins. In almost all subbasins, there were differences in the ranking of management priorities depending on the land information that was used. In addition, it was found that it was reasonable to use the level 3 land cover map to calculate the load generated by the land system for examining the implementation goals and methods of each data and comparing them with satellite images.

• 한국물환경학회지
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• 제20권5호
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• pp.525-533
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• 2004

The object ofthis study was to test for STORMSYS process that composed Catch Basin and Stormsys(three units: vortex solids separator, filter media bed and vegetated filter strips). It could be applied to treat the first-flush non-point pollution materials on the road(especially, motorway). This study investigated that the runoff characteristics of non-point pollutions containing the heavy metal(Fe, Zn and Cu) by rainfall showed relatively high pollution concentration in the early-stage storm runoff on the road, which seems to be caused by the vehicular traffic, and showed the rapid reduction of pollution concentration on the basis of about 5mm rainfall volume. As the number of the non-rainy days were increased, the pollution concentration by storm runoff was increased, also. As a test result of this process, the average removal efficiency of BOD, $COD_{mn}$, SS, T-N and T-P over the testing period were 92.7%,88.6%,97.4%,93.0% and 93.3%, respectively. Also, the average removal efficiency of n-Hexane, Fe, Zn and Cu were 86.7%, 96.1%, 84.4% and 78.4%, respectively. As shown in the characteristics of storm runoff, the non-point pollution materials have high pollution concentration in the early-stage storm runoff on the road, the installation of STORMSYS process is expected to reduce considerable amount of non-point pollutions.

• 한국환경복원기술학회지
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• 제25권3호
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• pp.47-62
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• 2022

The Ministry of Environment has been working to reduce the impact on biodiversity, ecosystems, and social costs caused by soil runoff from highland Agricultural fields by setting up non-point pollution source management districts. To reduce soil loss, runoff path reduction technology has been applied, but it has been less cost effective. In addition, non-point pollution sources cause environmental conflicts in downstream areas, and recently highland Agricultural fields are becoming vulnerable to climate change. The Ministry of Environment is promoting the optimal management plan in earnest to convert arable land into forests and grasslands, but since non-point pollution is not a simple environmental problem, it is necessary to approach it from the aspect of NbS(Nature-Based Solution). In this study, a scenario for applying the nature-based solution was established for three subwatersheds west of Haean-myeon, Yanggu-gun, Gangwon-do. The soil loss distribution was spatialized through GeoWEPP and the amount of soil loss was compared for the non-point pollution reduction effect of mixed forests and grasslands. When cultivated land with a slope of 20% or more and ginseng fields were restored to perennial grasslands and mixed forests, non-point pollution reduction effects of about 32% and 29.000 tons compared to the current land use were shown. Also, it was confirmed that mixed forest rather than perennial grassland is an effective nature-based solution to reduce non-point pollution.

• International Journal of Computer Science & Network Security
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• 제22권10호
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• pp.214-222
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• 2022

In these proceedings, we will address the problem of air pollution on the premises of the Cement factory SHARRCEM L.L.C. in Hani Elezit in the Republic of Kosovo respectively around the clinker cooler, rotary kiln, and raw material mill. By air pollution, we mean the introduction of chemicals, particles, or other harmful materials into the atmosphere which in one way or another causing damage to the development of plants and organisms. Air pollution occurs when certain substances are released into the air, which depending on the quantitative level, can be harmful to human health, animals, and the environment in general. The analysis of air shows the influence of the extractive and processing industry on the chemical composition of air. Parameters analyzed though under control such as the case of carbon dioxide, due to the increasing production capacity of cement, the production of hundreds of thousands of cubic meters of CO₂ gas made CO₂ production a concern. With the purchase of the latest technology by the SHARCEM Factory in Hani Elezit, the amount of air pollution has been reduced and the allowed parameters of environmental pollution have been kept under control. Air pollutants are introduced into the atmosphere from various sources which change the composition of the atmosphere and affect the biotic environment.The concentration of air pollutants depends not only on the quantities that are emitted from the sources of air pollution but also on the ability of the atmosphere to absorb or disperse these emissions. Sources of air pollutants include vehicles, industry, indoor sources, and natural resources. There are some natural pollutants, such as natural fog, particles from volcanic eruptions, pollen grains, bacteria, and so on.

• 유기물자원화
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• 제21권4호
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• pp.33-43
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• 2013

해양에서 발생하는 해양폐기물의 효율적인 관리와 해양오염방제시스템에 대한 진일보한 전략수립이 필요하다. 2011년에 발생한 해양오염사고 건수는 총 287건이며, 유출량은 369 kL로 나타났으며 이는 전년 대비 각각 13%, 39%가 감소하였다. 해양물질별 5년 평균량을 살펴보면, 오일 유출량 310.5 kL(중유 106.0 kL, 경유 178.9 kL, 선저폐수 22.3 kL, 기타유 7.7 kL)이고, 폐기물 62.3톤, 위험유해물질(HNS) 510.6 kL로 나타났다. 2011년도 폐기물 종류별 해양배출은 총 투기된 양은 3,972 $m^3$이고, 가축분뇨 795 $m^3$(20%), 폐수 1,431 $m^3$(36%), 하수슬러지 887 $m^3$(22%), 폐수슬러지 813 $m^3$(21%), 분뇨 5 $m^3$(0.1%), 기타 41 $m^3$(0.9%)로 나타났다. 해양폐기물의 개념을 보다 명확히 할 필요가 있다. 유해화학물질관리에 따른 통합사고관리체계를 구축해야 한다. 해안오염을 제거하기 위하여 방제책임자가 활용 할 수 있는 한국형 해안방제시스템의 필요하다. 해상방제와 마찬가지로 해안방제도 단계적 대응체제 구축이 필요하다.

• 한국작물학회지
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• 제30권1호
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• pp.26-32
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• 1985

수도오염지역에 적응하는 수도품종을 선정할 목적으로 10개 장려품종을 공시하여 년중 계속해서 배출되는 복합오염물(SO$_2$, HF)의 영향을 받고 있는 오염지역과 이로부터 7km 떨어져 있는 비오염지역에서 실험을 수행하였으며 엽내오염물함량, 연반률, 수량 및 엽록소함량을 조사, 비교한 결과는 다음과 같다. 1. 오염지역에서 재배한 벼의 엽내 전류황 및 불소함량이 비오염지역에서보다 많았으며 연반은 오염지역에서만 발생하였는데 다수계품종이 일반계품종보다 연반발생률이 훨씬 높았다. 2. 연반발생률과 오염지역에 대한 비오염지역의 불소함량비율간에는 단상관이 그리고 연반발생률과 불소 및 전류황함량비율간의 중상관은 유의성이 인정되었으나 전류황함량비율과는 관계가 없었다. 3. 공시한 10개 품종중 오염지역에서 수량성이 높았고 비오염지역에 대한 오염지역에서의 수양비율이 높았던 낙동벼. 동진벼, 남풍벼, 서광벼 및 청청벼 둥을 대기오염지역에 적응하는 품종으로 선정할수 있었다. 4. 오염지역에서 생육한 벼는 주당수수, 1,000입중 및 등숙비율이 비오염지역보다 낮았으며 대기오염에 적응하는 품종들은 두 지역간 주당수수 및 등숙비율의 변이가 적었다. 5. 오염지역에서 생육한 벼의 지엽내 엽록소함량은 비오염지역에서의 것보다 낮았는데 엽록소 a가 b보다 대기오염물에 대하여 더 민감한 반응을 보였다. 6. 비오염지역에 대한 오염지역의 품종별 수량비율은 품종의 연반율, 두 지역간 엽내 전류황함량비율, 불소함량비율 및 엽록소함량비율 등과 아무런 관계도 인정되지 않았다.

• 한국대기환경학회지
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• 제27권3호
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• pp.358-366
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• 2011

The purpose of this study was to analyze the monthly and seasonal PM10 data using the Autoregressive Error (ARE) model at the southern part of the Gyeonggi-Do, Pyeongtaek monitoring site in Korea. In the ARE model, six meteorological variables and four pollution variables are used as the explanatory variables. The six meteorological variables are daily maximum temperature, wind speed, amount of cloud, relative humidity, rainfall, and global radiation. The four air pollution variables are sulfur dioxide ($SO_2$), nitrogen dioxide ($NO_2$), carbon monoxide (CO), and ozone ($O_3$). The result shows that monthly ARE models explained about 17~49% of the PM10 concentration. However, the ARE model could be improved if we add the more explanatory variables in the model.