Tinau
River in Nepal
From Wikipedia, the free encyclopedia
The Tinau is a river originating from the Mahabharat Mountains and flowing through the Siwalik Hills and Terai Plain at Butwal, Nepal before joining the Ganges.
| Tinau | |
|---|---|
 | |
 | |
| Native name | तिनाउ (Nepali) |
| Location | |
| Country | Nepal |
| Region | Lumbini Province |
| District | Rupendehi, Palpa |
| Municipality | Butwal |
| Physical characteristics | |
| Source | Churia Range |
| • location | Palpa, Nepal |
| • elevation | 300 m (980 ft) |
| Mouth | |
• location | Palpa |
| Length | 95 km (59 mi) |
| Discharge | |
| • minimum | 2.2 m3/s (78 cu ft/s) |
| • maximum | 2,500 m3/s (88,000 cu ft/s) |
| Basin features | |
| Tributaries | |
| • left | Chidiya Khola |
| • right | Dovan Khola |
River morphology
The main stem of the Tinau River originates at an altitude of 1300m.[1]. The length of the Tinau is 95 km starting from Palpa to Indo-Nepal Border at Marchawar. The catchment area of the river is about 1081 sq. km up to the border of which 412 sq.km (41200 ha.) are in the Terai and 669 km2 of mountainous area.[2][3]
River flow
The minimum flow of the river is about 2.2 m3/s in April while the calculated 100 years return period flow in 2500m3/s.
The maximum recorded flow at DHM station no 390 is as follows:[4]
View chart definition.
| Year | Maximum Flow (m3/s) |
|---|---|
| 1964 | 417 |
| 1965 | 2200 |
| 1966 | 1180 |
| 1967 | 1950 |
| 1968 | 2000 |
| 1969 | 600 |
| 1984 | 390 |
| 1985 | 325 |
| 1986 | 644 |
| 1987 | 580 |
| 1988 | 565 |
| 1989 | 457 |
| 1990 | 260 |
| 1991 | 288 |
| 1992 | 134 |
Floods
1981
In 1981, there was a huge flood that destroyed two suspension bridges and the powerhouse shaft of Himal Hydro.[5]
2007
In the flood of 2007 at least 500 households of Butwal municipality were displaced.
2008
In 2008, due to outburst of embankment, about 250 households were displace in Butwal municipality due to the flood.[citation needed]
