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Dato Ir. Lim Chow Hock Department of Irrigation & Drainage, Malaysia Malaysia Geospatial Forum 2012 Melaka 6 - 7 Mar 2012 National River Rehabilitation.

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Presentation on theme: "Dato Ir. Lim Chow Hock Department of Irrigation & Drainage, Malaysia Malaysia Geospatial Forum 2012 Melaka 6 - 7 Mar 2012 National River Rehabilitation."— Presentation transcript:

1 Dato Ir. Lim Chow Hock Department of Irrigation & Drainage, Malaysia Malaysia Geospatial Forum 2012 Melaka Mar 2012 National River Rehabilitation Program

2 Definition of River and River Basin River means any river, stream, creek or other natural water course, and/or any tributary, distributary or artificial deviation thereof (National Land Code 1965) River Basin means the area of land from which all surface runoff flows through a sequence of streams, rivers and possibly lakes into the sea at a single river mouth, estuary or delta (European Union Water Framework Directive 2000)

3 RIVER BASIN

4 Definition of River Rehabilitation 4 To bring back river to its original condition (back to nature) with a healthy eco-system Multi-action and steps to recreate the dynamic balance and function of the river to a sustainable state

5 River Rehabilitation Objectives 5 To restore natural water quality To restore flow regime To restore channel stability and geometry To restore riparian community of life To restore vegetation and aquatic life

6 Spafford Creek, Otisco Lake Watershed, New York River Rehabilitation

7 Issues Related to River

8 Land Development– Erosion & Sedimentation Uncontrolled Land Development

9 Urbanization – Flooding

10 Solid Waste - River Pollution

11 Effluent Discharge - Water Pollution

12 The Need for an Integrated River Basin Management (IRBM)

13 INTEGRATED RIVER BASIN MANAGEMENT (IRBM ) 13 The process of coordinating conservation, management and development of water, land and related resources across sectors within a given river basin, in order to maximize the economic and social benefits derived from water resources in an equitable manner while preserving and, where necessary, restoring freshwater ecosystems. (Adapted from Integrated Water Resources Management, Global Water Partnership Technical, Advisory Committee Background Papers, No. 4, 2000.)

14 DAM (JPS) DAM (JPS) IRRIGATION (JPS) IRRIGATION (JPS) FLOOD MITIGATION (JPS) FLOOD MITIGATION (JPS) DRAINAGE (JPS) DRAINAGE (JPS) RECREATION RIVER CONSERVATION & REHABILITATIONS WATER QUALITY RIVER CORRIDOR DEVELOPMENT RIVER CORRIDOR DEVELOPMENT NAVIGATION

15 OBJECTIVE VISION MISSION To inculcate GIS culture for efficient and effective service delivery by 2020 To manage water resources, river basins, flood risks and coastal zone to achieve environmental sustainability and enhanced quality of life. provide an integrated framework for planning and management of water resources facilitate decision making on water resources and water resources related issues enhance the awareness of the trends & potential benefits on water resources management MISI, VISI & OBJEKTIF IRBM MISSION, VISION & OBJECTIVES

16 Geospatial Information for an Integrated River Basin Management

17 National River Register

18 River Basin Delineation

19 Tg. Rambutan Ipoh Bt. Gajah Kampar Seri Iskandar Example : Kinta River Basin,Perak

20 River Basin Geospatial Information Data Collection Engineering Surveys of river Alignment, Centre line, Banks Longitudinal sections Cross-sections Reserve / ROW Topographical Map Cadastral Map Satellite Images DEM (liDAR or IFSAR) Structures (Dam, Bed Control, Barrage, Gates, log boom etc.) Hydrological Stations (water level, rainfall) Water Quality Stations (DID, ASMA)

21 Application of Geospatial in the River Rehabilitation Programs One State One River (1S1R) Muar River Basin Management

22 ONE STATE ONE RIVER (1S1R) PROGRAM Sg. Hiliran Sg. Pengkalan Chepa Sg. Galing Sg. Kinta Sg. Perlis Sg. Petani Sg. Pinang Sg. Penchala Sg. Temiang Sg. Melaka Sg. Skudai Sg. Papar Sg. Bintagor

23 1 STATE 1 RIVER–CONCEPT OF MINI IRBM i. Identify sources of pollution ii.Monitor Water Quality Index at regular intervals ii.Form River Monitoring Committee iv.Identify responsibilities of each department to control river pollution v. Each department bid for allocation to overcome river pollution problems River Mapping

24 Sg Temiang River Alignment and Boundary

25 Sg. Melaka Flood Warning System

26 Application of Geospatial in the River Rehabilitation Programs One State One River (1S1R) Muar River Basin Management

27 Slope Failure at Sg. Perak PERAK TENGAH DISTRICT

28 River Bank Protection at Batu Teguh River

29 Sand Mining in Sg. Kerian River Basin

30 Sand Mining

31 Application of Geospatial in the River Rehabilitation Programs One State One River (1S1R) Muar River Basin Management

32 Muar River Basin 32

33 Muar River Basin – showing river, state and district boundary 33

34 Source: The Preparatory Survey For Integrated River Basin Management Incorporating Integrated Flood Management With Adaptation Of Climate Change (JICA 2010) 34 Kawasan Banjir 397 km 2. Muar River Basin- Flooded Area (2007)

35 Muar River Basin – River Water Quality (2007) Source: The Preparatory Survey For Integrated River Basin Management Incorporating Integrated Flood Management With Adaptation Of Climate Change (JICA 2010) 35

36 Application of Geospatial in River Management The way forward

37 What Next ? River Basin Monitoring 5 urgent projects to use geospatial data for DSS Sg. Klang RoL Project Sg. Muar Basin Sg. Muda Basin Sg. Damansara Sub-Basin Sg. Selangor Basin Progress Report under Geospatial Steering Committee at NRE Ministerial Level

38 River Basin Monitoring Activities in the river basin / catchment Land use changes Development activities River corridor illegal encroachment, Squatters Deforestation Sand Mining Pollution discharge Changes in water quality

39 Conclusion39 River as a valuable asset to the country (not a liablity) should be well managed, conserved and rehabilitated from time to time. Geospatial data capturing the location and ground condition is a very useful information tool that helps in making sound decision within a river basin.

40 Dead River Healthy River

41 Thank you Director River Basin & Coastal Zone Management Division


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