• Title/Summary/Keyword: SWMM

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Development of a Graphical User Interface for the SWMM-GE RUNOFF Block (SWMM-GE RUNOFF 블록의 사용자 편의환경 개발)

  • Lee, Sang-Ho;Lee, Dong-Yeop;Jeong, Tae-Hoon
    • Proceedings of the Korea Water Resources Association Conference
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    • 2008.05a
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    • pp.1106-1110
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    • 2008
  • 침투 트렌치, 투수성 포장, 지하수 양수 등의 모형화가 가능하도록 SWMM 4.4H 버전을 수정하여 개발된 SWMM-GE(Storm Water Management Model-Groundwater Enhanced)는 DOS 버전으로 개발되어 입력과정이 불편하고 출력결과를 다른 그림 소프트웨어로 도시하여 분석하는데 시간이 오래 걸린다. 즉, 사용자 편의환경이 구성되어 있지 않다. 이런 문제를 개선하기 위해 DOS 버전 SWMM-GE의 Windows 버전 사용자 편의환경을 개발 하였다. 먼저 전체 레이아웃을 개발하고 그 틀 아래서 RUNOFF 블록의 전 후 처리 모듈과 실행 모듈을 개발하였다. 레이아웃은 Project, Layers, Map View, Properties, Overview로 구성되었다. 그리고 남가좌 1 유역을 대상으로 개발된 편의환경을 사용하여 입력자료를 구축하고 수행하였다. 개발된 RUNOFF 블록의 사용자 편의환경은 기술자들의 프로그램 접근성과 활용성을 높일 수 있다.

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A Study on the Proper Size of Rainwater Stored Tank in Submerged Districts Using SWMM Program (SWMM을 활용한 침수예상지역 우수저류조의 적정크기결정에 관한 연구)

  • Jang, Seung-Jae
    • Journal of the Korean housing association
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    • v.20 no.3
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    • pp.69-76
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    • 2009
  • The Storm Water Management Model(SWMM) by EPA is a dynamic rainwater-runoff simulation model used for single event or long-term simulation of runoff quantity and quality from primarily urban areas. The SWMM simulation program is operated by the site area, the weather date, conduit plan etc. on reference region. The purpose of this study was to analyze flood area, the duration of flooded and surcharged on the reference region. Without rainwater stored tank, the area of flooded and surcharged on reference area is similar to the area of reference region. But, With rainwater stored tank, the area of flooded and surcharged on reference area is much reduced compared to without rainwater stored tank. According to SWMM simulation results, the rainwater stored tank is located closer to site is more effective for reduction of duration of flooded and surcharged and flow rate.

Analysis of Flow and Pollutant Reduction with LID using SWAT-SWMM coupled System at Kyoungan Watershed (SWAT-SWMM 연계모델 을 이용한 LID적용에 따른 경안천 유역의 유량 및 수질 개선 효과 분석)

  • Woo, Won-Hee;Ryu, Ji-Chul;Jang, Chun-Hwa;Kum, Dong-Hyuk;Lim, Kyoung-Jae
    • Proceedings of the Korea Water Resources Association Conference
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    • 2012.05a
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    • pp.92-92
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    • 2012
  • 경안천은 팔당호로 직접 유입되는 하천 중 유입량 대비 오염도가 매우 높아 상수원보호를 위한 특별관리가 요구되는 지역이다. 또한 경안천 유역은 수도권과 인접하고 있어, 도시화에 의해 토지이용이 지속적으로 변화되고 있다. 이러한 토지이용의 변화는 불투수면적을 증가시켜 강우시 유출 및 수질오염 발생량을 증가시킨다. 그러므로 불투수면적 증가에 따른 영향을 줄이기 위해서는 친환경 도시개발에 적용하고 있는 LID기법을 도입하여, 개발지역의 불투수면적 발생을 최소화하여야 하며 오염원 발생을 사전에 제어해야 한다. 그러나 도시개발시 무분별한 LID기법 도입은 정부의 막대한 예산 및 인력낭비를 초래하므로 현장적용 전 모델링을 통해 LID기법의 기대효과 및 비용을 산출하여야 하며, 도시 계획 수립시 가장 효과적인 LID기법을 제시하여야 한다. 따라서 효과적인 LID기법을 제시하기 위해서는 LID기법 평가가 가능한 SWMM모형을 이용해야 한다. 하지만 경안천 유역과 같이 유역 내 도시 와 비도시지역이 혼재되어 있는 우리나라의 대부분의 유역은 SWMM모형만으로는 유역의 강우-유출 및 수질 평가가 불가능하기 때문에, 유역 내 도시와 비도시지역의 유출 및 수질관리 평가가 가능한 SWAT-SWMM 연계모델을 이용하여 유출량 및 수질관리 효과를 분석해야 한다. 본 연구에서는 SWAT-SWMM 연계모델을 이용하여 LID기법 별 시나리오를 구축하였고, 시나리오별 유출량 및 수질오염 발생량을 모의하여 분석하였다. 분석결과 상당량의 유출량 저감 및 수질개선 효과가 나타났다. 또한 SWAT-SWMM 연계모델을 이용하여 모의된 수질자료는 환경부에서 제시하고 있는 단위유역 대표지점 수질환경기준 달성의 객관적인 평가를 가능하게 한다. 향후 LID를 적용한 SWAT-SWMM 연계모델을 이용하여 정부에서 규제하는 개발제한구역이 포함된 유역에서의 도시개발시 수질환경기준에 맞는 친환경적인 개발을 할 수 있을 것이라 기대된다.

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Prediction of water quality in estuarine reservoir using SWMM and WASP5 (SWMM과 WASP5 모형을 사용한 하구담수호의 수질 예측)

  • Yoon, Chun-Gyeong;Ham, Jong-Hwa
    • Korean Journal of Environmental Agriculture
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    • v.19 no.3
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    • pp.252-258
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    • 2000
  • SWMM and WASP5 were applied for pollutant loading estimate from watershed and reservoir water quality simulation, respectively, to predict estuarine reservoir water quality. Application of natural systems to improve estuarine reservoir water quality was reviewed, and its effect was predicted by WASP5. Study area was the Hwa-Ong reservoir in Hwasung-Gun, Kyonggi-Do. Procedures for estimation of pollutant loading from watershed and simulation of corresponding reservoir water quality were reviewed. In this study, SWMM was proved to be an appropriate watershed model to the nonurban area, and it could evaluate land use effects and many hydrological characteristics of catchment. WASP5 is a well known lake water quality model and its application to the estuarine reservoir was proved to be suitable. These models are both dynamic and the output of SWMM can be linked to the WASP5 with little effort, therefore, use of these models for reservoir water quality prediction in connection was appropriate. Further efforts to develop more logical and practical measures to predict reservoir water quality are necessary for proper management of estuarine reservoirs.

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Management Scheme of Urbanization Runoff Using XP-SWMM (XP-SWMM을 이용한 도시화 유역에서의 유출 관리 방안 연구)

  • Lee, Beum-hee;Chai, Jun-young
    • Proceedings of the Korea Water Resources Association Conference
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    • 2004.05b
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    • pp.1167-1172
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    • 2004
  • Recently, runoff characteristics of urban area are changing because of the increase of impervious area by rapid increasing of population and industrialization, urbanization. It needs to extract the accurate topological and hydrological parameters of watersheds in order to manage water resource efficiently. In this paper, rainfall-runoff analysis in An-Yang stream basin was made using GIS(Geographic Information System) and XP-SWMM(Export Stormwater and Wastewater Management Model). The basin was divided into 13 sub-basins using GIS. The area, slope, width of each subcatchment and length, slop of each stream reach were acquired from topographic maps, and imperviousness rate, land use types, infiltration capacities of each subcatchment from land use maps and soil maps using GIS. We gave th runoff management method of urbanization area us ing XP-SWMM.

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Development of AV2SWMM Module for Bimodal Tram Disaster Management System (바이모달 트램 재해관리 시스템 입력자료 구축을 위한 AV2SWMM 모듈 개발)

  • Kim, Jong-Gun;Park, Young-Kon;Yoon, Hee-Taek;Park, Youn-Shik;Jang, Won-Seok;Park, Jun-Ho;Lim, Kyoung-Jae
    • Proceedings of the KSR Conference
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    • 2008.06a
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    • pp.143-146
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    • 2008
  • With unexpected torrential rainfall, flash flooding is occurring frequently and its impacts are tremendous. Thus proper natural disaster management plans are required. The disaster management system of the Bimodal tram utilizes the SWMM as a core engine to simulate runoff and urban sewer networks for flooding simulation. To develop the efficient Bimodal tram disaster management system, very detailed subcatchment boundaries and flow networks have to be developed in a GIS data format. Thus the objective of this study is to develop ArcView GIS based module (AV2SWMM) for easy preparation of model input for the tram disaster management system. With the AV2SWMM module, very detailed subcatchment boundaries and flow networks can be developed for accurate simulation of flash flooding at the study site, which were not/hardly possible with SWMM 5.0 interface. The AV2SWMM can be used in developing accurate model input for other regions where the Bimodal tram system is expected to be introduced.

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An Analysis of Flood Mitigation Effect Applying to LID in Mokgamcheon Watershed using SWMM Model (SWMM 모형을 이용한 목감천 유역의 LID 시설 적용 홍수저감효과 분석)

  • Jang, Yeongsun;Mun, Sungho;Yang, Sunglin
    • International Journal of Highway Engineering
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    • v.15 no.3
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    • pp.75-83
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    • 2013
  • PURPOSES: In this study, flood mitigation effect of drainage asphalt concrete pavement were analyzed by a SWMM 5.0 program in order to evaluate the low impact development (LID) based on the drainage asphalt concrete pavements. METHODS: In order to determine the porosity parameters of drainage asphalt concretes, the specimen mixtures were manufactured using the conditions presented in the previous study. The numerical simulation was conducted using the SWMM 5.0 program considering the flood mitigation effect of drainage asphalt concrete pavements. The effect of flood reduction can be observed when drainage asphalt concrete pavements were applied to Mokgamcheon watershed. The flood mitigation effect analysis of Mokgamcheon watershed as well as continuous simulation of subwatershed runoff were performed through this study. RESULTS : The analysis of drainage asphalt concrete pavements was carried out for evaluating the effect on runoff, resulting in: the peak flow decreases up to 1.26~9.53% after drainage asphalt concrete pavements applied in the SWMM 5.0 program furthermore, the discharge decreases up to 0.55~4.11%. CONCLUSIONS: As a result, the reduced peak flow and discharge were found through the SWMM 5.0 program. It can be concluded that the flood is effectively reduced when the drainage asphalt concrete pavements are used.

Pollutant Loading Estimates from Watershed by Rating Curve Method and SWMM

  • Jeon, Ji-Hong;Yoon, Chun-Gyeong
    • Korean Journal of Environmental Agriculture
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    • v.19 no.5
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    • pp.419-425
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    • 2000
  • Rating curve method and SWMM (Storm Water Management Model) were applied to estimate pollutant loading from Hwa-Ong watershed in Kyunggi-Do. Rating curves were derived from sampling sites and applied to the whole watershed. SWMM version 4.4 was calibrated by field data of sampling sites and applied to the whole watershed. The pollutant loading estimated by rating curve was slightly higher than the one by SWMM, but the difference was not significant considering diffuse pollution characteristics of wide variation. Land use effect of the subcatchments could not be incorporated logically in rating curve method and difficulty in extrapolation was experienced, therefore, the estimate by rating curve method was thought to be less confident. SWMM was satisfactory in estimation of pollution loading, and its great flexibility worked well to describe complex nonurban land uses. Neither of them could exactly describe complex natural phenomena, but SWMM was preferred in this study due to its flexibility and logical hydrologic processes including land use effects. Use of reasonable watershed model rather than rating curve method for watershed pollutant loading estimate can be more practical and is recommended.

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Development of Flooding area estimation module for Rubber-tired Tram Disaster Management System Using the SWMM Model (SWMM 모형을 이용한 홍수시 바이모달 트램 운행 노선에 대한 침수 면적 산정 모듈 개발)

  • Kim, Jong-Gun;Park, Young-Kon;Yoon, Hee-Taek;Park, Youn-Shik;Jang, Won-Seok;Yoo, Dong-Seon;Lim, Kyoung-Jae
    • Proceedings of the KSR Conference
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    • 2008.11b
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    • pp.61-65
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    • 2008
  • Urban flooding with surcharges in sewer system was investigated because of unexpected torrential storm events these days, causing significant amounts of human and economic damages. Although there are limitations in forecasting and preventing natural disasters, integrated urban flooding management system using the SWMM engine and Web technology will be an effective tool in securing safety in operating Bi-modal transportation system. In addition, the integrated urban flooding management system can be linked with general and transportation-related disaster management system in the future. In this study, With simulated values by the SWMM, which is a core engine of the Bi-modal disaster management system, flash flooding area estimation module was developed. Thus, the SWMM system codes were modified and new module was developed and integrated with the existing SWMM interface using the Delphi programming language. The flash flooding area estimation module is fully integrated with the SWMM interface, thus the area is estimated on-the-fly inside the system.

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Analysis on the Runoff of Urban Watershed using MIKE SWMM Model (MIKE SWMM모형을 이용한 도시유역 유출분석에 관한 연구)

  • Kim Jong Seok;Choe Gyeong Rok;Ahn Jae Hyun;Moon Young Il
    • Proceedings of the Korea Water Resources Association Conference
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    • 2005.05b
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    • pp.862-866
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    • 2005
  • For urban watershed models, the ILLUDAS and SWMM are the popular rainfall-runoff models used in Korea. However, combined sewage systems in urban areas produced problems when a flood occured because of the surcharged precipitation amount which drained to the streams directly. Also, the lack of pipe line data and the difficulties of modeling yield inappropriate modeling results in urban runoff analysis. In addition, rainfall-runoff models in urban areas which use channel routing could have inaccurate and complicated processes. In this paper, the MIKE SWMM model has been applied for the stable runoff analysis of urban areas. Watershed and pipe line data were established by using past inundated records, DEM data, and the numerical pipe line data. For runoff modelings, the runoff block was adapted to a basin and the Extran block using dynamic equations was applied to the sewage system. After comparing to models that exist, it is concluded that the MIKE SWMM model produces reliable and consistence results without distorting the Parameters of the model.

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