Table3 Comparison of the flow and sediment discharge for each return period
Return period | 20Â km | 5Â km | ||||
|---|---|---|---|---|---|---|
Present (P20) | Future (F20) | Ratio of increase (F20 /P20) | Present (P5) | Future (F5) | Ratio of increase (F5 /P5) | |
Flow discharge (m3/s) | ||||||
 50 | 77 | 48 | 1.60 | 241 | 148 | 1.62 |
 20 | 56 | 42 | 1.31 | 183 | 107 | 1.70 |
 10 | 47 | 30 | 1.57 | 136 | 71 | 1.91 |
Amount of sediment discharge (m3/10Â days) | ||||||
 50 | 5497 | 9288 | 1.69 | 52,107 | 152,833 | 2.93 |
 20 | 2391 | 5560 | 2.32 | 23,965 | 87,747 | 3.66 |
 10 | 1124 | 2218 | 1.97 | 7379 | 40,830 | 5.53 |