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Application of Surface-water Modeling System (SMS) on River Stream: A Case Study in Brantas River

Application of Surface-water Modeling System (SMS) on River Stream: A Case Study in Brantas River. Mohammad Sholichin (1) , Faridah Othman (2). (1) Lecturer, Water Resources Department, Engineering Faculty-Brawijaya University

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Application of Surface-water Modeling System (SMS) on River Stream: A Case Study in Brantas River

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  1. Application of Surface-water Modeling System (SMS) on River Stream:A Case Study in Brantas River Mohammad Sholichin (1), Faridah Othman (2) (1) Lecturer, Water Resources Department, Engineering Faculty-Brawijaya University (2) Lecturer, Department of Civil Engineering, Universiti Malaya, Malaysia (3) Postgaduate Student, Departement Civil Engineering, Universiti Malaya

  2. Abstract • Water pollution has been a crucial problem in many countries and has attracted researcher’s attention from over the world. • This paper describes the simulation of BOD concentration as one parameter of water pollutant at Brantas River. • The main objective of this study is to apply the SMS (Surface-water Modeling System)-model to Brantas River and to predict the status of water quality at Brantas River

  3. 1. Introduction • River system is a major source of water supply; agricultural, urban water need and industry, etc. Water quality assessment of river system are become critical throughout the country and there is a real concern about the sustainable supply of quality of water and health of water bodies. • Most condition of river in several places is of degradation quality, due to the contaminations from domestic pollutant, industrial, and agriculture. • Point source pollutant or rather pollutants are associated with a point location such as a toxin waste spill site has received the greatest attention in the past because of obvious severity of their impact at a localized point

  4. 2. Study Area • The Brantas River Basin is the most urbanized region in Indonesia. About 16 million people live in the Brantas catchment area and depend on its resources. The Brantas River with a total length of 320 km and a catchment area 11.050 km2 is the second largest river of Java. It functions as the most importance source of water supply in the east Java province. • A case study presented is located in Brantas River especialy in middle area with length of 6 km before Jongbiru water quality station recorder, Kediri City.

  5. Location of study case : Brantas River Basin - East Java

  6. Pre-fieldwork, This stage includes problem identification, literature review, data collection from previous study and literature, analysis of available and required data Fieldwork This phase includes in-site analysis of water samples for BOD parameter and handling for analyses in environmental Laboratory; discharge measurement for river and outlet of point source pollutant. Simulation This phase includes preparation input data, set-up of model; model runs, model calibration; analysis of running program of SMS and comparison whit observation water quality data. Finally, analysis result and conclusion will be made for the study area. 3. Methodology The research methodology can be distributed as following:

  7. 4. Surface-water Modeling System • SMS (surface-water modeling system) is a comprehensive environment for one-, two-, and three-dimensional hydrodynamic modeling. • New enhancements and developments continue at the Environmental Modeling Research Laboratory (EMRL) at Brigham Young University (formerly known as the Engineering Computer Graphics Laboratory) in cooperation with the U.S. Army Corps of Engineers Waterways Experiment Station (USACE-WES), and the U.S. Federal Highway Administration (FHWA).

  8. SMS model

  9. The simulation results of this model are shown below: Simulation of water elevation distribution a long stream Simulation of velocity distribution a long stream Simulation of BOD concentration a long stream. 5. Results

  10. Graph of water elevation distribution a long the stream

  11. Graph of velocity distribution a long the stream

  12. Graph of BOD concentration a long the stream

  13. Application of surface-water modeling system with RM4 Sub-Model for prediction of Brantas River could be done with calibration and validation of observed water quality and discharge data recorder In general, the water quality of middle Brantas River hasn’t been in heavy pollution status yet, in compare with class B-surface water quality standard. Slightly Polluted. Surface-water modeling system was successfully for prediction of concentration BOD a long stream of middle Brantas River, but result values was over estimation compared whit observed data recorder. 6. Conclusion

  14. THANK YOU

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