Impact Assessment of Climate Change and Sea Level Rise on ...

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Figure 2.2: Bay <strong>of</strong> Bengal <strong>and</strong> Meghna Estuary area covered in the model; color shows the sea bed level in mPWD; dark to light blue represents deep to shallow area. Figure 2.3: Modelled area showing bathymetry <strong>and</strong> flexible triangular mesh. The hydrodynamic model has been calibrated <strong>and</strong> validated against the measured water level <strong>and</strong> discharge data. The period is illustrated in Table 2.1. Model shows a satisfactory calibration <strong>and</strong> validation for both dry <strong>and</strong> monsoon seasons. A sample plot <strong>of</strong> calibration <strong>and</strong> validation is presented in the Figure 2.4 to Figure 2.6. Table 2.1: Calibration <strong>and</strong> validation <strong>of</strong> the model Dry Period Monsoon Period Data Calibration February 2006 September 1997 Water level, Discharge Validation November 2003 -Do- 20
Figure 2.4: Calibration <strong>of</strong> the Model during dry Period, February 2006; [Left] discharge comparison at North Hatiya, [Right] water level comparison at Charchenga; the model result satisfactorily calibrated against measured data. Figure 2.5: Validation <strong>of</strong> the Model during November 2003; [Left] discharge comparison at North Hatiya, [Right] water level comparison at Ramgati. Model result shows good agreement with the measured data. Figure 2.6: Calibration <strong>of</strong> the Model during monsoon, September 1997; [Left] discharge comparison at North Hatiya, [Right] water level comparison at Charchenga; model show satisfactory calibration in monsoon season. 21
Page 1: Impact Ass
Page 4 and 5: Impact Ass
Page 7: Foreword The impacts of</st
Page 11 and 12: Table of Contents
Page 13: List of Figures Fi
Page 16 and 17: Sea level rise for
Page 18 and 19: E.5 IMPACT OF CLIMATE CHANGE ON MON
Page 21 and 22: 1. INTRODUCTION 1.1.1 Background Ba
Page 23 and 24: 1.3 Review of Past
Page 25 and 26: affected more and
Page 27 and 28: was to reduce the vulnerability <st
Page 29 and 30: 2. DATA and MODEL
Page 31 and 32: The Yamuna The Yamuna (sometimes ca
Page 33 and 34: Ganges Basin The Upper Ganges basin
Page 35 and 36: The southwest summer monsoon, a fou
Page 37 and 38: seconds (0.008333333333333 degrees,
Page 39: Runoff (m 3 /s) Ru
Page 43 and 44: tidal estuary systems, the largest
Page 45 and 46: unoff catchments w
Page 47 and 48: Historic peak flow record o
Page 49 and 50: 5. BASELINE CONDITION OF MONSOON FL
Page 51 and 52: Sirajganj: Sirajganj is situated on
Page 53 and 54: Table 5.6: Inundated area in modera
Page 55 and 56: Model results were analyzed to find
Page 57 and 58: Sunamganj: The total area o
Page 59 and 60: Jamuna river. It is also seen that
Page 61 and 62: Figure 6.1: Inundated Area Base Con
Page 67 and 68: Impact on l<strong
Page 69 and 70: according to 4 th IPCC, in reality
Page 71 and 72: REFERENCES 1. 4 th IPCC (2007), Reg
Page 73: Appendix-A Impact
Page 76 and 77: Table A.2: Impact
Page 83: Appendix-B Impact
Page 86 and 87: Figure B3: Inundated Area Base Cond
Page 88 and 89: Figure B7: Inundated Area Base Cond
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Figure B11: Inundated Area Base Con
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Table C1: Change <
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