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H : 소장처정보

T : 목차정보

大氣保全 : 韓國大氣保全學會誌 8건

  1. [국내논문]   김해지방의 지표경계층내의 열수지 및 안정도 변화에 관한 연구  

    박종길 (인제대학교 환경학과 ) , 이화운 (부산대학교 대기과학과 ) , 김유근 (인제대학교 환경학과 ) , 이순환 (인제대학교 환경학과)
    大氣保全 : 韓國大氣保全學會誌 v.13 no.2 ,pp. 103 - 113 , 1997 , 1225-3464 ,

    초록

    The research described in this paper was conducted to estimate the stability and heat budget in planetary boundary layer (PBL) at Kimhae. The upper air observation was carried out during period from 3 Februsry 1993 to 5 February 1993 at Kimhae. The surface observation data used the one during period from 1 April 1994 to 31 March 1995. The maximum height of inversion layer observed at Kimhae was 310 m. Destruction of the inversion was simultaneously occurred at the surface and the mid-layer (200 $\sim$ 300 m), however the origin of destruction is different each other. The surface inversion is destructed by surface heating owing to growing radiation in surface but disappearance of the mid-layer inversion is related to the upper cold air movement.

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  2. [국내논문]   산란광 광량 적산시 Digital Dust Indicator에 의한 도서관과 학생회관내 $PM_{10}$ 농도의 일변화  

    김만구 (강원대학교 자연과학대학 환경학과 ) , 권영진 (강원대학교 자연과학대학 환경학과 ) , 정영림 (강원대학교 자연과학대학 환경학과)
    大氣保全 : 韓國大氣保全學會誌 v.13 no.2 ,pp. 115 - 122 , 1997 , 1225-3464 ,

    초록

    Diurnal variation of $PM_{10}$ concentration was investigated for 24 sites in library including reading room, bookstock room, lobby, office and so on, and 9 sites in student building at Kangwon National University using scattering light integrated type digital dust indicator. The dimensional conversion factors for mass concentrations (K) were determined by comparing between the $PM_{10}$ concentrations collected by $PM_{10}$ hig volume air sampler and the digital dust indicator. The dimensional conversion factor (K) was 3.33 for indoor air in this experiment. The highest concentrations were 649 $\mug/m^3$ /day for smoking room in the library and 242 $\mug/m^3$ /day for circle room in the student building. Most of spaces in the library except a office and bookstock rooms were over 150 $\mug/m^3$ /day of $PM_{10}$ concentrations and 6 indoor spaces were over the guideline for indoor air quality in student building except a health center and two restaurants. Therefore, it should be required to make an improvement on the indoor air quaility for public facilities in the university buildings.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

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  3. [국내논문]   광화학 확산모델 적용을 위한 수도권지역의 대기오염물질 배출량 산출   피인용횟수: 3

    이종범 (강원대학교 환경학과 ) , 김용국 (강원대학교 환경학과 ) , 김태우 (강원대학교 환경학과 ) , 방소영 (강원대학교 환경학과 ) , 정유정 (강원대학교 환경학과)
    大氣保全 : 韓國大氣保全學會誌 v.13 no.2 ,pp. 123 - 135 , 1997 , 1225-3464 ,

    초록

    An air pollutant emission inventory system for the input preparations of photochemical dispersion model was developed. Using the system, anthropogenic emissions as well as biogenic emissions in the Seoul metropolitan area were calculated. Anthropogenic emission by fuel combustion using regional cosumption data, and the laundries and so forth was estimated. The biogenic emission was estimated based upon meteorological data and the distribution of land use type in the study area. The anthropogenic emission of pollutants was highest in Seoul, and the second highest in Inchon. TSP and $SO_2$ were found large quantities during the winter due to increased consumption of heating oil. NOx and THC were emitted without seasonal variation. Among biogenic emissions, PAR was very common while NO was the least common. PAR, OLE, and ALD2 were emitted in large volumes in coniferous forest areas, while ISOP was emitted in deciduous forest areas. Generally, most biogenic emissions increased during daytime, and peaked between oen and two o'clock. Because of strong solar radiation, emission during the summer was high. Biogenic NO emissions were found to be lower compared to anthropogenic emissons, and other VOC was indicated relatively high. In the study area, among biogenic emissions PAR was found to be 3 times, OLE 8 times,and ALD2 12 times more common than among anthropogenic emissions.

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  4. [국내논문]   도시 규모의 대기오염 농도 예측   피인용횟수: 2

    이상득 (목포대학교 공과대학 환경공학과 ) , 정일현 (목포대학교 공과대학 환경공학과)
    大氣保全 : 韓國大氣保全學會誌 v.13 no.2 ,pp. 137 - 145 , 1997 , 1225-3464 ,

    초록

    To predict the effects of air pollutant in the coastal region, we have developed the air pollutant model, the reaction model and the deposition of NO, $NO_2, and O_3$ . And the numerical model of air pollutant concentration employed the nested technique to calculate with the higher resolution for the area. The nested technique used two grid systems, one for the large scale calculating region with the coarse mesh grid (CMG) and the other for the small scale region with the fine grid (FMG). In other to prove the validity of the simulation model the calculations were conducted for the present situation. The results of them reasonably agree with the observed data and proved the validity of the model.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  5. [국내논문]   산성 건성침적물 샘플링에 따른 유량변수가 그 대기중 농도측정에 미치는 영향 ( The Effects of Sampling Flow Rate on the Concentrations of Dry Acid Deposition Components )  

    김조천
    大氣保全 : 韓國大氣保全學會誌 v.13 no.2 ,pp. 147 - 159 , 1997 , 1225-3464 ,

    초록

    To predict the effects of air pollutant in the coastal region, we have developed the air pollutant model, the reaction model and the deposition of NO, $NO_2, and O_3$ . And the numerical model of air pollutant concentration employed the nested technique to calculate with the higher resolution for the area. The nested technique used two grid systems, one for the large scale calculating region with the coarse mesh grid (CMG) and the other for the small scale region with the fine grid (FMG). In other to prove the validity of the simulation model the calculations were conducted for the present situation. The results of them reasonably agree with the observed data and proved the validity of the model.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  6. [국내논문]   제주도 연안해역을 중심으로 한 DMS 농도의 관측   피인용횟수: 5

    김기현 (상지대학교 환경과학연구소 ) , 이강웅 (한국외국어대학교 환경학과 ) , 허철구 (제주대학교 해양환경공학과 ) , 강창희 (제주대학교 화학과)
    大氣保全 : 韓國大氣保全學會誌 v.13 no.2 ,pp. 161 - 170 , 1997 , 1225-3464 ,

    초록

    The concentrations of dimethylsulfide (DMS) were determined using samples collected from a station located at Kosan, Cheju Island during two field campaigns held in December 1996 and January 1997. The atmospheric DMS concentrations measured at 6-hr intervals during the entire campaign periods, after excluding a few extreme values, spanned in the range of 14 to 410 pptv with mean and 1 SD value of 127 $\pm$ 94 pptv (N=42). Between two month periods during which the field campaigns were conducted, a notable reduction in DMS levels was observed which was comparable to the dramatic shift in air temperature. A considerable difference was also noted in DMS levels, when data were grouped by day/night basis. The cause of unexpected, high day-to-night DMS ratios is best explained in terms of high efficiency of daytime source processes relative to low efficiency of nighttime sink processes due to the characteristics of the study location. The surface water DMS of the study site, although scarcely measured, also behaved similarly to its atmospheric counterpart with its range from 0.3 to 19 nM (N=11). When correlation analysis was conducted between the atmospheric DMS concentration and other concurrently determined parameters, significant correlations were observed from most basic meteorological parameters such as windspeed, relative humidy, and air temperature. However, the existence of "not-so-strong" correlations between air temperature and DMS concentrations relative to other ones indicated that the effect of temperature on DMS behavior must be reflected in more complicated manners at the study site. The sea-to-air flux of DMS was approximated through an application of the mass-balance flux calculation method of Wylie and de Mora (1996) under the assumption that sink mechanism within the marine boundary layer is in steady-state condition with its counterpart, source mechanism. Based on this estimation method, we reached a conclusion that oceanic DMS emitted from the southwest sea of the Korean Peninsula can amount to approximately 9 $\sim$ 36 Gg S $yr^{-1}$ . $yr^{-1}$ .

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  7. [국내논문]   대기 중 납의 농도를 조절하는 요인에 대한 고찰  

    김기현 (상지대학교 환경과학연구소 ) , 김동술 (경희대학교 환경학과 및 환경연구소 ) , 이태정 (경희대학교 환경학과 및 환경연구소)
    大氣保全 : 韓國大氣保全學會誌 v.13 no.2 ,pp. 171 - 174 , 1997 , 1225-3464 ,

    초록

    To provide better insights into the factors and processes regulating the geochemical behavior of airborne lead (Pb), we have investigated several important aspects of its distribution characteristics using the data collected from the Kyung Hee University-Suwon Campus during 1989 through 1994. Although the Pb data in the area reflected the effects of many anthropogenic activities ongoing in the area, the data were quite useful to assess the geochemical facets affecting the temporal distributions of lead as well as particulate matter (PM). The analysis of these data indicated that the Pb patterns were characteristic of enriched Pb levels during odd-numbered years relative to even-numbered years, while those of PM were exhibiting pronouncingly different patterns. Despite many similarities and differences found between year-to-year distribution patterns, of Pb data, it was possible to discuss the facts associated with relatively high concentrations in the years 1991 and 1993 via normalization of Pb against PM data. According to this procedure, we were able to conclude that relative enrichment in Pb levels during 1991 was due to enhanced input of PM, while that of the year 1993 came from more chemically-oriented processes such as active adsorptive scavenging of Pb onto the PM surface. Based on our comparative analysis of the size-fractionated PM and Pb data sets, we propse that two distinctive mechanisms that are both of phyical (1991) and chemical nature (1993) exerted controls over the observed distribution patterns of airborne Pb in the atmosphere of Suwon.

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  8. [국내논문]   학회소식  

    편집부
    大氣保全 : 韓國大氣保全學會誌 v.13 no.2 ,pp. 175 - 178 , 1997 , 1225-3464 ,

    초록

    To provide better insights into the factors and processes regulating the geochemical behavior of airborne lead (Pb), we have investigated several important aspects of its distribution characteristics using the data collected from the Kyung Hee University-Suwon Campus during 1989 through 1994. Although the Pb data in the area reflected the effects of many anthropogenic activities ongoing in the area, the data were quite useful to assess the geochemical facets affecting the temporal distributions of lead as well as particulate matter (PM). The analysis of these data indicated that the Pb patterns were characteristic of enriched Pb levels during odd-numbered years relative to even-numbered years, while those of PM were exhibiting pronouncingly different patterns. Despite many similarities and differences found between year-to-year distribution patterns, of Pb data, it was possible to discuss the facts associated with relatively high concentrations in the years 1991 and 1993 via normalization of Pb against PM data. According to this procedure, we were able to conclude that relative enrichment in Pb levels during 1991 was due to enhanced input of PM, while that of the year 1993 came from more chemically-oriented processes such as active adsorptive scavenging of Pb onto the PM surface. Based on our comparative analysis of the size-fractionated PM and Pb data sets, we propse that two distinctive mechanisms that are both of phyical (1991) and chemical nature (1993) exerted controls over the observed distribution patterns of airborne Pb in the atmosphere of Suwon.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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