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9.Zeljko Incorporating Existing Modeling Along the Sava River

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9.Zeljko Incorporating Existing Modeling Along the Sava River Sava River Flood Mapping Workshop Incorporating Existing Modeling along the Sava River Dragan Zeljko Deputy Secretary for RBM and water planning Contents • Brief history of cooperation • Overview of collected data from the countries • Data processing by the ISRBC • Final results • Tips & tricks • Lessons learned • What next? 2 Brief history of cooperation • June 2008 - Dr. Kathleen D. White (USACE) participated on the PEG FP meeting • the PEG FP is willing to develop a single hydraulic model of the Sava River and its major tributaries for the purpose of developing a comprehensive systems approach to flood risk management in the Sava River Basin; • Overbank mapping of the Sava River and its major tributaries with sufficient resolution to generate flood-inundation and flood-risk maps with a reasonable level of uncertainty ; • Ability to provide flood forecasts; • GIS methodology to support model development, especially Geo-RAS, with automated procedures for updating either independently or by the Commission as new information becomes available 3 Brief history of cooperation • September 2009 – USACE prepared ToR and Scope and Needs documents – First approximate Sava River hydraulic model • December 2009 – ISRBC requested data from national institutions • January – April 2010 – data submitting • February – July 2010 – ISRBC processing data • All the time – numerous teleconferences USACE – ISRBC • ftp site created for exchanging data 4 Overview of data collected from the countries • What has been collected? – Hydrologic data; – Hydraulic models; – Geometry in various formats; – Bathymetry data; – Descriptions of the system... Everything usable and available 5 Overview of data collected from the countries 6 Geometry, models & other data - HR SAVA • HEC-RAS (km 213- 458) > 1200 XS – 01jamena_zupanja.g01 – 02zupanja_samac.g01 – 03samac_brod.g02 – 04brod_mackovac.g01 • MIKE 11 (km 458-728) > 900 XS – Mackovac – Jesenice (HR) 7 Geometry, models & other data - HR Tributaries (and channels) • HEC2 – Sutla 0-24 km – Krapina 0-58 km – Bosut 0-130 km • MIKE 11 – Odra 0-33 km – Lonja -Strug 0-8 km; 0-5 km – Una 0-42 km – Kupa 0-80 km 8 Geometry, models & other data - HR SAVA (ACAD stream centerline & XS cutlines) 9 Geometry, models & other data - RS SAVA • HEC-RAS model (km 0-209) > 200 XS – Beograd-Jamena.g01 10 Geometry, models & other data - RS SAVA • (ACAD stream centerline & XS cutlines) 11 Geometry, models & other data - BA • HEC-RAS models of: – Vrbas (km 0-35) and Tinja (km 0-44) • Various usable data for Brka and Bosnia 12 Geometry, models & other data – RS and BA • Bathymetric data (2004 and 2009) 13 Geometry, models & other data – SRTM 90 m DEM – ASTER 30m GDEM – GIS data prepared in Secretariat (banks, levee placements etc...) – Sava River waterway centerline (agreed) 14 Data processing by the ISRBC • Challenging effort because of: – Huge amount of collected data – Different formats (HEC2; HEC-RAS;MIKE 11...) – Need for use of various applications (ArcGIS, Mike 11, HEC- RAS, Google Earth...) – No single model-geometry collected was truly georeferenced • Final aim: – To provide georeferenced (in UTM34 zone) HEC-RAS geometry to the USACE for further model set up 15 Final results Georeferenced model of the: -Sava River (BG- Jesenice-HR) -Sutla, Krapina, Bosut,Una, Vrbas, Tinja -Lonja-Strug, Odra > 3000 XS 16 Tips & tricks • Georeferencing –ACAD file available dwg – coordinates in GK7 projection Dwg shp georef GeoRAS RAS 17 Tips & tricks • Georeferencing –ACAD file NOT available Krapina River example kml shp georef GeoRAS RAS 18 Tips & tricks Krapina – before processing Krapina – after processing 19 Tips & tricks • Georeferencing –preparation and import of stream centerline 20 Tips & tricks • Mike 11 to HEC-RAS 21 Tips & tricks • Mike 11 to HEC-RAS 22 Tips & tricks • HEC RAS to Mike 11 • Additional tools required 23 Lessons learned • Each data usable • Start modeling from available data • Georeferencing is very important for mapping • High importance of cooperation in the Sava RB • Find mechanisms for faster response in data collection 24 What next? • Tributaries- precise georeferencing needed • Levees – updata&upgrade missing information • Update geometry with new bathymetric data • Incorporate SI data in the model • Decision on further rights in use of the model • New hydrologic study needed 25.
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