sufri - Feem

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A 1D and 2D study of flood prone areas in Lodi was performed by the University of Pavia For the 1D model the river course is 130 km long Inside the river channel 35 obstructions - bridges, barrages, etc. - can strongly influence the river flow particularly upstream for quite a long distance The mathematical model used is based on shallow water equations written in a conservative form. The mathematical model is numerically integrated with finite volumes techniques with two different numerical schemes To estimate the roughness coefficient a method that refers to the formulation proposed by U.S. Geological Survey that correlate the roughness coefficient (using Manning) with the dimension of the grains in the river bed and the vegetation in the riverbed was used Technical Session 1/2 12-09-2011 27-07-2009 ERA-NET CRUE SUFRI 8
For the 2D model the geometric description of the urban areas is represented by a Digital Terrain Model (DTM) 5 m x 5m inundated areas, the velocity field, the water levels were computed Technical Session 1/2 Inundated areas in Lodi town for 20 year return period 12-09-2011 27-07-2009 ERA-NET CRUE SUFRI 9
Page 1 and 2: Sustainable Strategies of Urban Flo
Page 3 and 4: Technical Session 1/2 OBJECTIVES of
Page 5 and 6: The project objective was divided i
Page 7: Technical Session 1/2 LODI TEST CAS
Page 11 and 12: Technical Session 1/2 12-09-2011 27
Page 13 and 14: Lessons Learned •Flood warning sy
Page 15 and 16: SUFRI methodology is based on the i
Page 17 and 18: Annual probability of exceedance, F
Page 19 and 20: 27-07-2009 Technical Session 1/2 12
Page 21 and 22: 27-07-2009 Technical Session 1/2 12
Page 23 and 24: Measures in order to reduce flood r
Page 25 and 26: Measures in order to reduce flood r
Page 27 and 28: Health problems The percentage of t
Page 29 and 30: Technical Session 1/2 Case study Lo

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