International Papers
Kwon. S, Feng, Y., Lee, S.*, (2026) “IoT-Enabled CCTV Monitoring and Deep Learning for Automated Water body Segmentation in Agricultural Reservoirs” Internet of Things, 35, 101823
Kim. R, Kwon, S., Lee, S.*, Choi, Y.H.* (2026) “A Data-Driven Approach to Dam Infrastructure Monitoring: Enhancing Prediction Accuracy by Systematic Rainfall Event Classification” Water Resources Management, 40(7)
Min, K., Kim, J. H., Jung, D., Lee, S., Kang, D., (2025) "Pipe Burst Detection and Localization in Water Distribution Networks Using Faster Region-Based Convolutional Neural Network", Water, 17, 3380
Feng, Y., Liu, J., Huang, X., Zhao, S., Ma, D., Lee, S., Cao, R., (2025) “Inferring river channel geometry based on multi-satellite datasets and hydraulic modeling” Remote Sensing, 17, 3753
Jung, W., Kim, J., Jo, H., Lee, S., Kim, B., (2025) “Video-Based Deep Learning Approach for Water Level Monitoring in Reservoirs” Water, 17(17), 2525
Kwon. S, Lee, S.*, Jung, D., (2025) “Integrated Flood Risk Matrix for Priority Determination among Flood Impact Factors in Urban Drainage Systems” Journal of Flood Risk Management, 18(3): e70108
Kwon. S, Lim. S., Lee, S.*, (2025) “A novel framework for automated water level estimation using CCTV imagery in Yongseong Agricultural Reservoir, South Korea” Journal of Hydrology: Regional Studies, 61, 102631
Kwon, S. H., & Lee, S. (2025) "Resilient isolation valve system design considering water shortage equity of water distribution system." Journal of Disaster Science and Management, 1(1), 2.
Noh. S, Lee, S. (2024) “Forecasting Meteorological Drought Conditions in South Korea Using a Data-Driven Model with Lagged Global Climate Variability” Sustainability, 16(15), 6485 ; https://doi.org/10.3390/su16156485
Lim, S., Kwon, S., Shin, G., Lee, S. (2024) "Deep Learning for Automated Water Segmentation through CCTV Images in Agricultural Reservoirs" Engineering Proceedings, 69(1), 140 ; https://www.mdpi.com/2673-4591/69/1/140
Shin, G., Kwon, S., Lim, S., Lee, S. (2024) "Utilizing Calibration Model for Water Distribution Network Leakage Detection" Engineering Proceedings, 69(1), 105 ; https://www.mdpi.com/2673-4591/69/1/105
Jun, H., Gim, A., Lee, E., Lee, S. (2024) “Hydraulic Model-Based Prediction of the Flushing Velocity of Water Distribution Systems” Journal of Pipeline Systems Engineering and Practice, 15(3), 06024001,
Shin, G., Kwon, S., Lee, S. (2024) "Designing isolation valve system to prevent unexpected water quality incident" Sustainability, 16(1), 153
Kwon, S. H., & Lee, S. (2024). Deep Learning to Recognize Water Level for Agriculture Reservoir Using CCTV Imagery. Water Resources Management, 38(3), 1165-1180.
Shin, G., Kwon, S. H., & Lee, S. (2023). Designing Isolation Valve System to Prevent Unexpected Water Quality Incident. Sustainability, 16(1), 153.
Choi, Y. H., Choi, T., Yoo, D. G., Lee, S. (2022). Development of an Evaluation Method for Deriving the Water Loss Reduction Factors of Water Distribution Systems: A Case Study in Korean Small and Medium Cities. Applied Sciences, 12(24), 12530.
Min, K.W., Kim, T.W., Lee, S., Choi, Y.H., and Kim, J.H,, (2022) “Detecting and Localizing Leakages in Water Distribution Systems Using a Two-Phase Model”, Journal of Water Resources Planning and Management, 148(10), 04022051
Lee, S., Wilson A., Cooksey, E., Boccelli, D., and Verhougstraete, M., (2022) “Exploring vulnerable nodes, impactful viral intrusion sites, and viral infection risk reductions offered by chlorine boosters in municipal drinking water networks”, Journal of Water Resources Planning and Management, 148(9): 04022048, (Selected as Editor’s Choice)
Jun, H., Gim, A., Jung, D., and Lee, S. (2022). Strategy to Enhance Emergency Interconnected Operation of Water Distribution System. Sustainability, 14(10), 5804.
Lim, S., Lee, S. and Jung, D., (2021) “Identifying the Drought Impact Factors and Developing Drought Scenarios using the DSD Model”, Water Resources Management, 35, 4809–4823 (2021). https://doi.org/10.1007/s11269-021-02943-y
Lee, S. and Jung, D., (2021) “Accounting for Phasing of Isolation Valve Installation in Water Distribution Networks”, Journal of Water Resources Planning and Management, 147(7), p06021007
Lee, S. and Jung, D., (2021) “Preparing Extreme Water Availability Changes: Development of the Shortest-Path-based Design Model for Hydraulically Efficient Water Distribution Network”, IEEE Access, 9, 53358-53369
Lee, S., Pomeroy, C., and Burian, S., (2021) “Setting Future Water Rates for Sustainability of a Water Distribution System”, Journal of Water Resources Planning and Management, 147(2), (Selected as Editor’s Choice)
Lee, S. and Kim, J.H., (2020) “Quantitative Measure of Sustainability for Water Distribution Systems: A Comprehensive Review”, Sustainability, 12(23), 10093
Lee, S. and Burian, S., (2020) “Triple Top Line Based Sustainability Measure for Water Distribution Systems”, Journal of Infrastructure System, 26(3), 04020027 10.1061/(ASCE)IS.1943-555X.0000561
Lee, S., & Burian, S. (2020). “Triple top line-based identification of sustainable water distribution system conservation targets and pipe replacement timing.” Urban Water Journal, 16(9), 642-652. DOI 10.1080/1573062X.2020.1713383
Shin, S., Lee, S., Burian, S., Judi, D., & McPherson, T. (2020). “Evaluating Resilience of Water Distribution Networks to Operational Failures from Cyber-Physical Attacks.” Journal of Environmental Engineering, 146(3), 04020003., DOI: 10.1061/(ASCE)EE.1943-7870.0001665
Lee, S., Hwang, H., and Jung, D., (2019) “Optimization Difficulty Indicator and Testing Framework for Water Distribution Network Complexity”, Water, 11(10), 2132
Lee, S., Ock, S., Jung, D., Jun, H., (2019) “Development of Failure Cause-Impact-Duration (CID) Plots for Water Supply and Distribution System Management”, Water, 11 (8): 1719
Lee, S., Shin, S., Judi, D., McPherson, T., and Burian, S., (2019) “Criticality analysis of water distribution system considering both economic consequences and hydraulic loss using Modern Portfolio Theory”, Water, 11 (6):1222.
Jung, D., Lee, S., and Kim, J. H., (2019) “Robustness and Water Distribution System: State-of-the-Art Review”, Water, 11(5), 974
Shin, S., Lee, S., Judi, D., Parvania, M., Goharian, E., McPherson, T., Burian, S., (2018) “A Systematic Review of Quantitative Resilience Measures for Water Infrastructure Systems”, Water, 10(2), 164
Lee, S., Yoo, D., Jung, D., and Kim, J. H., (2018). “Application of life cycle energy analysis for designing a water distribution network.” The International Journal of Life Cycle Assessment, 23(6), 1174-1191.
Domestic Papers
임수현, 권순호, 이승엽 (2025) “대심도 빗물저류배수시설의 저류량 추정을 위한 방법론 개발” 한국방재학회논문집, 25(5), pp. 11-21
이승엽, 최영환, 강두선, 조성배, 임정열, 유도근 (2024) “이상패턴 감지를 위한 댐 계측기 관리기준 수립” 한국수자원학회논문집, 57(11), pp. 921-933
임수현, 권순호, 이승엽 (2024) “농업용 저수지 수위 추정을 위한 수체 분할 모델 개발” 한국수자원학회논문집, 57(11), pp. 935-944
김범진, 이승엽 (2024) “상수도 관망 내 바이러스 유입 대응을 위한 재염소 시설 설계” 한국수자원학회논문집, 57(4), pp. 277-287
지수광, 신금채, 이승엽, 안국현 (2023) “유입량 모의 기법을 활용한 국내 다목적댐 가뭄 대책의 경제적 효과 평가” 한국수자원학회논문집, 56(8), pp. 485-496
권순호, 하창용, 이승엽, (2023) “농업용 저수지 CCTV 영상자료 기반 수위 인식 모델 적용성 검토” 한국수자원학회논문집, 56(4), pp.1211-1222
박경진, 신금채, 이승엽. (2022) “수질사고 예방형 상수도 관망 밸브 시스템 설계”, 한국수자원학회논문집, 55(S-1): 1211-1222
김태욱, 이승엽, 김중훈, (2022) “상수관망 배수지 용량별 비상연계 운영 효율성 분석”, 한국방재학회논문집, 22(1): 155-162
박정수, 이호민, 배철호, 최태호, 이승엽, (2022) “상수관로 고유속 관망 설계 적용에 따른 효과분석”, 한국수처리학회지, 29(6): 3-11
이승엽, 정동휘 (2019) “비정상 물공급 시나리오를 고려한 상수도관망 최적 밸브위치 결정”, 한국수자원학회논문집, 52(10): 719-728
이승엽, 정동휘, (2018) “상수도관망 수원-절점 최소거리와 에너지 지표 상관성 분석”, 한국수자원학회논문집, 51(11): 989-998
추연문, 유도근, 이승엽, 임오성, 주진걸, 김중훈 (2017) “도시 빗물펌프장 예측운영시스템의 스마트 운영기법 개발”, 한국방재학회논문집, 17(2): 39-50
유도근, 이승엽, 이호민, 전환돈, 김중훈 2015 “상수관로 개량 교체 전략 별 생애주기 에너지 분석”, 한국방재학회논문집, 15(6): 301-310
이승엽, 유도근, 김중훈 (2015) “생애주기 에너지 분석을 이용한 상수관망의 생애주기 결정”, 대한상하수도학회지, 29(1): 11-21
이승엽, 유도근, 정동휘, 김중훈 (2015) “상수관망 최적 생애주기 설계를 위한 유전알고리즘의 적용”, 한국산학기술학회논문지, 16(6): 4216-4227
신상훈, 김원, 이승엽, 백경록 (2015) “강우 공간분포가 토사유출에 미치는 영향의 실험적 고찰”, 대한토목학회논문집, 35(1): 111-117
Presentations
임수현, 김재혁, 권순호, 이승엽(2025). "지하 인프라 시설의 유입량 산정을 위한 연구" KSCE 2025 Convention Conference & Civil Expo, Cheongju OSCO convention, Cheongju, Korea, Nov 12-14, 2025
임수현, 김재혁, 권순호, 이승엽(2025). "열화상 이미지를 활용한 콘크리트 내 수분 확산 경향 비교" KSCE 2025 Convention Conference & Civil Expo, Cheongju OSCO convention, Cheongju, Korea, Nov 12-14, 2025
임수현, 김재혁, 권순호, 이승엽(2025). "축소도시 상수도 요금 현실화율 향상을 위한 의사결정 체계" Korea Water Resources Association, Yeosu EXPO convention, Yeosu, Korea, May 21-23, 2025
임수현, 김재혁, 권순호, 이승엽(2025). "지하 인프라 시설의 운영 의사결정을 위한 모니터링 데이터 기반 저수율 추정 방법론 개발" Korea Water Resources Association, Yeosu EXPO convention, Yeosu, Korea, May 21-23, 2025
김재혁, 임수현, 권순호, 이승엽(2025). "머신비전 기반 열특성 변화 모니터링을 활용한 콘크리트 비파괴 검사 적용성 평가" korea institute for Structural Maintenance and Inspection, Grand-Hyatt, Jeju, Korea, Apr 9-11, 2025
임수현, 신금채, 김재혁, 권순호, 이승엽 (2025). "대심도 빗물 배수 시설물 시뮬레이션 모델 개발" Korean Society of Hazard Mitigation, Shinhwa World, Jeju, Korea, Feb19-21, 2025 (Selected as Best Presentation)
김재혁, 신금채, 임수현, 권순호, 이승엽 (2025). "머신비젼 기반 콘크리트 내 수분 이동 및 열특성 변화 분석" Korean Society of Hazard Mitigation, Shinhwa World, Jeju, Korea, Feb19-21, 2025
임수현, 김재혁, 권순호, 이승엽(2024). "대심도 빗물 배수 시설물 시뮬레이션 모델 적절성 검토" Water Engineering Society Conference, Future Convergence Technology Hall_Korea Univ, Seoul, Korea, Nov 22, 2024
이승엽(2024). "상수도 디지털 자산관리 시스템 개발을 위한 시뮬레이션 기법 활용" korea institute for Structural Maintenance and Inspection, Westin Josun, Busan, Korea, Sep 30 - Oct 2, 2024
신금채, 임수현, 권순호, 이승엽 (2024). "상수도 관망 누수 지역화 정확도 개선에 대한 연구 " Korean Society of Hazard Mitigation, Shinhwa World, Jeju, Korea, Feb21-24, 2024
임수현, 신금채, 권순호, 이승엽 (2024). "저수지 CCTV 영상자료를 활용한 AI기반 저수지 저수위 추정" Korean Society of Hazard Mitigation, Shinhwa World, Jeju, Korea, Feb21-24, 2024
최영환, 이승엽, 김형기, 유도근, 임정열, 강두선 (2023).“시계열 댐 계측자료의 오・결측 기준 및 데이터 보정 프레임워크 개발” KSCE 2023 Convention Conference & Civil Expo, Yeosu EXPO convention, Yeosu, Korea, OCT 19-20, 2023
유도근, 이승엽, 최영환, 이규민, 조성배, 강두선 (2023).“수문수리학적 댐 침투수량 특성을 고려한 기저침투수량 분리” KSCE 2023 Convention Conference & Civil Expo, Yeosu EXPO convention, Yeosu, Korea, OCT 19-20, 2023
이승엽, 최영환, 유도근, 이규민, 조성배, 강두선 (2023).“댐 변위계의 관리기준 수립 및 이상패턴 분석에 관한 연구” KSCE 2023 Convention Conference & Civil Expo, Yeosu EXPO convention, Yeosu, Korea, OCT 19-20, 2023
신금채, 김범진, 이승엽 (2023).“누수 모의 위치에 따른 시뮬레이션 기반 상수관망 누수 탐지 모형 민감도 분석” KSCE 2023 Convention Conference & Civil Expo, Yeosu EXPO convention, Yeosu, Korea, OCT 19-20, 2023
Shin,G., and Lee, S. (2023).“Localization of water distribution system valves to prevent unexpected water quality failures during isolation” 2023 World Environmental & Water Resources, The Green Valley Ranch Resort Spa & Casino, HENDERSON, NV, MAY 21-25, 2023
Kim, B., Shin, G., Lim, S., and Lee, S. (2023). “Sensitivity Analysis of Virus Intrusion Events of Water Distribution System using QMRA” Proceedings of Korea Water Resources Association Conference 2023, Sono Felice Delpino, Gangwon, Korea May 25-26, 2023 (Selected as Best Presentation)
Shin, G., Park, H., and Lee, S. (2023). “Estimation of Drought Mitigation Strategy Contribution considering Economic Benefit of Dam Operation” Korean Society of Civil Engineers 2023, Sono Felice Delpino, Gangwon, Korea May 25-26, 2023
Kim. B., Shin, G., and Lee, S. (2023). “Risk Assessment of Water Distribution System using QMRA” Proceedings of Korean Society of Water & Wastewater 2023, KINTEX, Il-san, Korea, Mar 22-23, 2023
Shin. G., Kim. B., Park. H., Park. H., Lee, S. (2023). “Design of Water Supply Network Valve System Considering the Risk of Water Quality Incidents.” Korean Society of Hazard Mitigation 2023, Ramada Plaza, Jeju, Korea, Feb 15-17, 2023
Kim, B., Lee, S., Shin, G., Lim, S. (2023). “Evaluation of the Influence of Virus Intrusion into the Water Distribution System.” Proceedings of Korean Society of Hazard Mitigation 2023, Ramada Plaza, Jeju, Korea, Feb 15-17, 2023
Park, K., and Lee. S. (2022). "Prioritizing Isolation Valve Replacement based on Criticality Analysis" Proceedings of Korea Water Resources Association Conference 2022, BPEX, Busan, Korea, May 19-20, 2022 (Selected as Best Presentation)
Lee, J., Park, J., and Lee. S. (2022). "Potential Application of Calibration Model for Constructing Digital Twin of Water Distribution System" Proceedings of Korea Water Resources Association Conference 2022, BPEX, Busan, Korea, May 19-20, 2022
Shin, G., and Lee. S. (2022). "Water Distribution System Contamination Source Estimation based on Trace Analysis" Proceedings of Korea Water Resources Association Conference 2022, BPEX, Busan, Korea, May 19-20, 2022
Kim, B., and Lee. S. (2022). "Asset Management Framework for Low-carbon Water Distribution System" Proceedings of Korea Water Resources Association Conference 2022, BPEX, Busan, Korea, May 19-20, 2022
Yoo, H., Lee, J., Kim, B., and Lee. S. (2022). "Optimal Instream Flow Reduction during Drought through Benefit Analysis" Proceedings of Korea Water Resources Association Conference 2022, BPEX, Busan, Korea, May 19-20, 2022
Lee, S., Kim, B., and Lee, J. (2022). “Toward carbon-neutral water distribution network using asset management model considering energy efficiency” Korean Society of Hazard Mitigation, Yeonsei University, Seoul, Korea, Feb 16-17, 2022.
Lee, S., and Park, K. (2022). “Isolation valve system design considering flow direction changes during isolation” Korean Society of Hazard Mitigation, Yeonsei University, Seoul, Korea, Feb 16-17, 2022.
Kim, T., Lee, S., Kim, J., “Water Distribution Hydraulic Model Calibration Using Deep Learning based Self-adaptive Algorithm” KSCE 2021 Convention Conference & Civil Expo, Korea, Oct 20-22, 2021
Kim, T., Lee, S., Kim, J., “Establishing Emergency Interconnection Operation Strategy for Water Distribution System” Korean Society of Hazard Mitigation, Virtual Online, Jun 7-11, 2021.
Min, K., Lee, S., and Kim, JH. (2021). “Fault Tree Analysis for Risk Assessment of Cyber Physical System for Water Distribution System” Korean Society of Hazard Mitigation, Virtual Online, Jun 7-11, 2021.
Min, K., Lee, S., and Kim, JH. (2021). “Derivation of Security Requirements of Water Distribution System as Cyber Physical System” ASCE-EWRI World Environmental & Water Resources Congress 2021, Virtual Online, Jun 7-11, 2021. (oral)
Salcedo, C., Lee, S., Ostfeld, A., Kadinski, L., and Boccelli, D. (2021). “Improving Contaminant Spread Estimation through the Consideration of Hydraulic Uncertainty and Identification of Multiple Confirmatory Sampling Locations” ASCE-EWRI World Environmental & Water Resources Congress 2021, Virtual Online, Jun 7-11, 2021. (oral)
Lee, S., Boccelli, D., and Kim, J.H. (2021). “Leakage detection based on pipe roughness coefficient estimation using Markov Chain Monte Carlo” ASCE-EWRI World Environmental & Water Resources Congress 2021, Virtual Online, Jun 7-11, 2021. (oral)
Kadinski, L., Salcedo, C., Lee, S., Boccelli, D., and Ostfeld, A. (2021). “Using Graph Theory for Determining Grab Sampling Location in Real Time upon a Contamination Detection in Water Distribution System” ASCE-EWRI World Environmental & Water Resources Congress 2021, Virtual Online, Jun 7-11, 2021. (oral)
Min, K.W., Lee, S., and Kim, J.H. (2021). “Derivation of Security Requirements of Water Distribution System as Cyber Physical System” ASCE-EWRI World Environmental & Water Resources Congress 2021, Milwaukee, Wisconsin, USA, May 23-26, 2021. (oral)
Lee, S. and Jung, D. (2019). “Two Phase Design Approach of Water Distribution Network”, 2019 Smart Water Grid International Conference, SWGIC2019, Songdo Convensia, Incheon, Korea. (oral)
Jung, D. and Lee, S. (2019). “Two Phase Design Approach of Water Distribution Network”, 17th International Conference on Computing and Control for the Water Industry, CCWI2019, University of Exeter, United Kingdom. (oral)
Lee, S., Shin, S., and Burian, S.J. (2019). “Investigating Impacts of Pipe Burst Leakage to Pipe Roughness Coefficient Estimation” ASCE-EWRI World Environmental & Water Resources Congress 2019, Pittsburgh, Pennsylvania, USA, May 19-23, 2019. (oral)
Lee, S., Shin, S., and Burian, S.J. (2019). “Framework for Smart Water Network Design to Enhance Rapidity and Redundancy” ASCE-EWRI World Environmental & Water Resources Congress 2019, Pittsburgh, Pennsylvania, USA, May 19-23, 2019. (oral)
Shin, S., Lee, S., and Burian, S.J. (2019). “Adjusting Operational Interaction of Components in Water Distribution Systems to Maximize Recovered Performance from Cyber-physical Attacks” ASCE-EWRI World Environmental & Water Resources Congress 2019, Pittsburgh, Pennsylvania, USA, May 19-23, 2019. (oral)
Kreidler, M., Burian, S.J., and Lee, S. (2019). “All canals lead to SLC: systems modeling with stakeholder participation to inform management decisions for a complicated municipal water supply facing uncertain climate change impacts and population growth” ASCE-EWRI World Environmental & Water Resources Congress 2019, Pittsburgh, Pennsylvania, USA, May 19-23, 2019. (poster)
Lee, S., Shin, S., Burian, S., “Redundancy Quantification of Water Distribution System using Time-dependent Graph Theory”, 2019 Environment and Sustainability Research Symposium, Salt Lake City, Utah, USA, Feb 13, 2019. (poster)
Lee, S., Shin, S., Burian, S., Judi, D., and McPherson, T., “Detectability-based Resilience of Water Distribution System using Failure Finger Print”, 1st International WDSA/CCWI Joint Conference, Kingston, Ontario, Canada., July 23-25, 2018 (oral)
Shin, S., Lee, S., Judi, D., McPherson, T., Burian, S. (2018). “Impacts of Operational Failures by Cyber Attacks on Water Distribution Networks.” ASCE-EWRI World Environmental & Water Resources Congress 2018, Minneapolis, Minnesota, USA, June 3-7, 2018. (oral)
Lee, S. and Burian, S.J. (2018). “Redundancy Quantification of Water Distribution Systems using Time-dependent Graph Theory.” ASCE-EWRI World Environmental & Water Resources Congress 2018, Minneapolis, Minnesota, USA, June 3-7, 2018. (oral)
Lee, S. and Burian, S., “Water Distribution System Pipe Replacement Cycle Determination Using Triple Top Line Based Sustainability Metrics”, 2018 Environment and Sustainability Research Symposium, Salt Lake City, Utah, USA, Feb 15, 2018. (poster)
Lee, S., Shin, S., Judi, D., McPherson, T., and Burian, S., “Water Distribution System Recovery Strategies Considering Economic Consequences from Business Loss”, 15th International Conference on Computing and Control for the Water Industry, CCWI2017, Sheffield, United Kingdom. (oral)
Lee, S. and Burian, S.J. (2017). “Sustainability metrics for water distribution system using triple top line.” ASCE-EWRI World Environmental & Water Resources Congress 2017, Sacramento, California, USA, May 21-25, 2017. (oral)
Lee, S., Yoo, D., and Kim, J., “Optimal Design of Water Distribution System Using Demand Forecasting OLED Model”, 12th International Conference on Computing and Control for the Water Industry, CCWI2013, Perugia, Italy.
Lim, S., Ho, V. H., Lee, S., Yoo, D. G., & Kim, J. H. (2014). “Determination of optimal location and capacity of detention facilities.” 12th International Conference on Computing and Control for the Water Industry, CCWI2013, Perugia, Italy.
Yoo, D., Lee, S., Lim, S., Lee, H., and Kim, J., “Real-time Pump Operation System and Its Application for Yongdu Basin in Korea”, 6th Conference of the Asia Pacific Association of Hydrology and Water Resources, APHW2013, Seoul, Korea.
Shin, S., Kim, W., Lee, S., and Paik, K., “Study for temporal sediment yield by rainfall with hillslope erosion experiment”, Proceedings of Korean Society of Civil Engineers Conference, 2013.
Lee, S., Kim, W., Kim, J., and Paik, K., “Improvement of Infiltration Simulation of the Tank Model for Long-Term Rainfall-Runoff Simulation”, Proceedings of Korean Society of Civil Engineers Conference, 2012.
Park, J., Lee, S., Hoa, H, and Kim, J., “Determination of Optimal Reservoir Locations Using Multi-Objective Genetic Algorithm”, Proceedings of Korea Water Resources Association Conference, 2012.