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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
editThe 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.[1]
River flow
editThe 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:[2]
Graphs are unavailable due to technical issues. There is more info on Phabricator and on MediaWiki.org. |
| 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
edit1981
In 1981, there was a huge flood that destroyed two suspension bridges and the powerhouse shaft of Himal Hydro.[3]
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]
Water Use
editHydropower
editReferences
edit- ^ Dahal, Khet Raj (2012). "A Review of Riverbed Extraction and its Effects on Aquatic Environment with Special Reference to Tinau River, Nepal". Hydor Nepal. 11 (JULY): 49–56. doi:10.3126/hn.v11i0.7163.
- ^ Nepal, Department of Hydrology and Metrology (2000). DHM station no 390.
- ^ Paudel, Uttam (2011). FLOOD PLAIN ANALYSIS AND VULNERABILITYASSESSMENT OF TINAU KHOLA WATERSHED, NEPAL. TRIBHUVAN UNIVERSITY.
27°45′N 83°31′E / 27.750°N 83.517°E
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