http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
요인분석과 농약성분 특성에 의한 농업지역의 지하수 수질 평가
이정환,함세영,김광성,정재열,류상민,김득호,김현지,Lee, Jeong-Hwan,Hamm, Se-Yeong,Kim, Kwang-Sung,Cheong, Jae-Yeol,Ryu, Sang-Min,Kim, Deuk-Ho,Kim, Hyun-Ji 대한자원환경지질학회 2009 자원환경지질 Vol.42 No.3
본 연구에서는 부산광역시 기장군 일광면 일대 농업지역의 지하수 수질과 농약에 의한 오염 특성을 요인분석을 이용하여 규명하였다. 1, 2, 3차의 수질분석에 의하면, 무기성분($Ca^{2+}$, $Na^+$, $Mg^{2+}$, $K^+$, $Zn^{2+}$, $Cu^{2+}$, $Fe^{2+}$, $Al^{3+}$, $NO_3\;^-$, $Cl^-$, $SO_4\;^{2-}$, $F^-$, $SiO_2$)의 평균농도는 2차조사에서 대체로 높게 나타났으며, 살충제인 carbofuran과 제초제 alachlor는 2차조사에서 과반수가 넘는 지하수공에서 검출이 되었다. 이는 강수량의 증가로 인해서 지하수내로 오염물질의 용출량이 늘어났기 때문으로 판단된다. 요인분석과 수질조성에 의하면, $SiO_2$, $HCO_3\;^-$, $F^-$을 제외한 무기성분들은 인위적인 오염(화학비료, 퇴비, 유기물의 분해, 축산폐수, 생활하수), 염수, 물-광물 반응의 영향을 받고 있다. 인위적인 오염을 대표하는 $NO_3\;^-$평균농도는 먹는물 기준보다 약 4${\sim}$5배 초과하고 있다. 또한, 염수의 영향은 해안에서부터 멀수록 작아지는 것으로 판단된다. This study characterized groundwater quality and the influence of agrochemicals in a part of Ilgwang-Myeon agricultural area in Gijang-Gun, Busan Metropolitan City, using factor analyses. From the 1st, 2nd, and 3rd analyses of groundwater samples, the mean concentrations of $Ca^{2+}$, $Na^+$, $Mg^{2+}$, $K^+$, $Zn^{2+}$, $Cu^{2+}$, $Fe^{2+}$, $Al^{3+}$, $NO_3\;^-$, $Cl^-$, $SO_4\;^{2-}$, $F^-$, and $SiO_2$ were higher in the 2nd analysis than the other analyses. Pesticide carbofuran and herbicide alachlor were detected at the wells more than a half of all the wells in the 2nd analysis but not in the 4th analysis. This fact may be explained by that a higher precipitation induced higher infiltration rate of contaminants into groundwater during the 2nd survey. According to R- and Q-mode factor analyses, and chemical composition, inorganic constituents excepting $SiO_2$, $HC0_3\;^-$-, and $F^-$ may be influenced by anthropogenic sources (manures, synthetic fertilizers, and domestic wastes), seawater as well as water-mineral interaction. A typical indicator of groundwater contamination, nitrate, exceeds around 4-5 times over the Korean standard for drinking water. Additionally, the influence of seawater diminishes from the seaside to inland.
전항탁 ( Hang Tak Jeon ),함세영 ( Se Yeong Hamm ),정재열 ( Jae Yeol Cheong ),류상민 ( Sang Min Ryu ),장성 ( Seong Jang ),이정환 ( Jeong Hwan Lee ),이수형 ( Soo Hyung Lee ) 대한지질공학회 2009 지질공학 Vol.19 No.3
본 연구는 지하수, 토양, 대기의 노출경로에 따라서 부산광역시 사상공단의 지하수와 토양이 인체와 환경에 미치는 영향을 평가하였다. 토양과 대기의 노출경로에 따른 발암 위해는 나타나지 않았으나, 지하수에서는 TCE와 PCE의 발암 위해성이 각각의 기준 한계값인 1.0E-6과 1.0E-5에 대해서 각각 6.7E-6과 1.0E-5로 나타나 발암 위해가 있는 것으로 판단되었다. 대기에서는 비발암성 위해가 나타나지 않았다. 토양의 위해계수와 위해지수는 각각 3.4E-5와 5E-5로서 기준 한계값(1.0) 보다 낮게 나타났으나, 지하수의 위해계수와 위해지수는 각각 0.7 (위해성이 없음)과 1.4(위해성이 있음)로 나타났다. TCE의 최소성분감소비(CRF)는 2.5로서 TCE의 정화작업이 요구된다. 18개의 노출인자에 대한 민감도 분석 결과, 8개의 노출 인자(비 발암 물질에 대한 평균 수명, 발암 물질에 대한 평균 수명, 체중, 노출기간, 노출빈도, 피부노출빈도, 토양 섭취율, 물 섭취율)의 변화에 따라서 위해도가 변화하는 것으로 나타났다. The risk assessment of groundwater and soil in Sasang industrial complex in Busan Metropolitan City was carried out in order to estimate risks to human health and the environment. The carcinogenic risk (CR) of receptors to soil and air was not identified. However, the CRs for TCE and PCE were 6.7E-6 and 1.0E-5, respectively. Hazard quotient (HQ) and hazard index (HI) did not appear through air exposure pathways. Yet the HQ and HI of soil were 3.4E-5 and 5E-5, respectively, and lower than the critical value (1.0). On the contrary, HQ and HI with respect to groundwater were calculated as 0.7 (not hazardous) and 1.4 (hazardous). The constituent reduction factor (CRF) for TCE in the study area was determined as 2.5, and thus remediation work is demanded. As a result of sensitivity analysis for 18 exposure factors, eight exposure factors (life time of carcinogens, age, body weight, exposure duration, exposure frequency, dermal exposure frequency, water ingestion rate, and soil ingestion rate) varied with the variation of risk.
고속철도 건설과 관련하여 지하수위 분포를 이용한 지하수환경 변화 분석
함세영,류상민,정재열,강래수,문상호,황학수 부산대학교 환경문제연구소 2002 環境硏究報 Vol.20 No.-
This study is aimed for estimating change of groundwater environment in relation to constructing Honam express railway in Cheonan-Iksan section. This study was conducted by measuring depth to water and by calculating groundwater level anomaly. Depth to water ranges from 0.03 to 21.1 m and ranges from 0.17 to 227.95 m mean sea level. Distributions of depth to water, of groundwater elevation and of groundwater level anomaly were analyzed to estimate water-level change due to express railway construction. High water-level anomaly section is found in Jangjae(Cheonan)-Daejeon-Iksan section with anomaly index 85.39. High water-level change is anticipated in 22.22-24.19 km, 25.1-25.53 km, 25.53-26.46 km, 26.46-27.77 km, 28.7-29.29 km, 30.18-30.26 km, and 30.26-32.4 km sections from the start of Jangjae(Cheonan).
금정산-백양산일대 약수의 물리화학적 성분의 공간적 분포 특성
김성이,함세영,이병대,정재열,류상민 부산대학교 환경문제연구소 2001 環境硏究報 Vol.19 No.-
Spring waters at sixty sites and well waters at six wells in Mt. Geumjeong-Baekyang area were investigated for measuring nine items(temperature, pH, Eh, EC, TDS,DO, salinity, alkalinity,and discharge rate) in spring of year 2000 and winter of year 2001. General statistics was carried out to analyze statistical characteristics of data. To compare each item with one another, regression analysis was carried out . Kinging was used to estimate the spatial characteristics and continuity of data in the study area. The kriged isopleth maps of DO, pH, temperaturem, EH,EC TDS, salinity, alkalinity and discharge rate show different appearance at same sites in spring and winter, respectively.