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RISS 인기검색어
- 검색키워드
- 주제어 : Yellow Sand Phenomena (검색결과 3 건)
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황사현상시에 성남시에 포집한 분진한 입경분포 및 중금속 농도
권우택,유영식 서울보건대학 1996 서울보건대학 부설 한국보건과학연구소 논문집 Vol.3 No.1
The heavy metal concentrations and size distribution are the most important parameters influencing among the way in which airborne suspended particulate matters interact with the human respiratory system. Airborne suspended particulate matters were collected on a glass fiber filter from April to May 1996 using high-volume air sampler and Andersen sampler at Sungnam City. And those of Yellow Sand Phenomena period were investigated to find out the characteristics between normal and Yellow Sand Phenomena period. The results could be summerized as follows : 1. The Yellow Sand Phenomena period of TSP concentration was 264.7㎍/㎥ and normal period of TSP concentration was 117.5㎍/㎥. 2. The Yellow Sand Phenomena period ratio of PM-10 to TSP(PM-10/TSP) was 19.6% and normal period of PM-10 to TSP(PM-10/TSP) was 27.9%. 3. During the period of Yellow Sand Phenomena, the ratio of coarse particles to TSP was 70.7%. 4. The heavy metals were analyzed as follows showing in order of high concentration: Fe>Si> Na>Zn> Mn> Pb>Cu> Ni>Cd. 5. The mass median diameter(MMD) of Ni, Cd, Zn, Pb and Cu were 0.73, 1.07, 1.67, 1.77 and 1.79㎛, respectively, Na, Si, Fe and Mn were 2.66,4.87,5.12 and 5.84㎛, respectively. 6. Those with MMD smaller than about 2㎛ are commonly associated with anthropogenic processes, in contrast, MMD greater than 2㎛ are emitted mainly by natural processes.
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서울지역의 황사발생시 호흡성 분진 중 미량원소의 특성 평가
신은상,선우영 대한환경위생공학회 2002 대한환경위생공학회지 Vol.17 No.1
This research was carried out using Anderson air sampler which were set up on the roof of the Engineering College of Konkuk University at Hwayang-Dong, Kwangjin-Gu, Seoul from Aug. 1992 to foul. 1999. The results are as follows: The major component of yellow sand is soil particles based upon the observation that particles ranging from $3.3~7.0{\mu}m$ occupy 36~63%. It is certain that the increase of fine particles of respirable dust during yellow sand phenomenon in Seoul area affects the human body. The trace metals from natural sources like Al, Ca, Fe, K, Na, and Si show larger mass median diameter(MMD) values during yellow sand phenomenon than in normal situations while the values of MMD for Mn and Pb rarely changes. Noticeably, the changes in value of MMD of water soluble elements like ${NO_3}^{-}$ and ${SO_4}^{2}$ are 2.3 and 6.6 times higher during the yellow sand phenomenon compared to normal situations, respectively. This fact is regarded as decisive evidence showing that ${NO_3}^{-}$ and ${SO_4}^{2}$ in the air are attached to yellow sand and move together.
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2003년 태안지역에서 황사 부유분진의 미생물학적 동정과 금속 성분 및 농도
배강우 ( Kang Woo Bae ),김윤섭 ( Youn Seup Kim ),김종호 ( Jong Ho Kim ),박재석 ( Jae Seuk Park ),지영구 ( Young Koo Jee ),이계영 ( Kye Young Lee ) 대한결핵 및 호흡기학회 2005 Tuberculosis and Respiratory Diseases Vol.58 No.2
연구배경 : 황사는 우리나라에서 주로 3월에서 5월까지 봄에 집중적으로 발생하는 대기오염의 주된 원인으로 사람에게 만성 기관지염을 악화시키고 호흡기 질환을 유발하는 것으로 알려져 있다. 황사기간 중 부유분진 중의 무기이온 성분과 금속성분의 분석에 대한 연구와 천식 등 호흡기 질환과의 연관성에 대한 연구는 많으나, 아직까지 황사의 부유분진중의 미생물에 대한 연구는 부족하다. 이 연구에서는 황사 현상시 부유분진 중에 박테리아, 진균 그리고 바이러스 등의 미 Background : Airborne particles during Yellow Sand phenomena are known to be associated with the respiratory disease. The purpose of this study was to evaluate the concentration and metal component properties of Yellow Sand particles and compare with airb
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