Ruba Bich'i River
Ruba Bich’i | |
---|---|
Dogu’a Tembien | |
Physical characteristics | |
Source | |
• location | Addi Ganfur in Addi Azmera municipality |
• elevation | 2,222 m (7,290 ft) |
2nd source | Imba Wahti |
• location | Lafa in Mizane Birhan municipality |
Girasa Goh | |
• coordinates | 13°34′16″N 39°21′32″E / 13.571°N 39.359°E |
• elevation | 1,725 m (5,659 ft) |
Length | 13 km (8.1 mi) |
Width | |
• average | 12 m (39 ft) |
Basin features | |
River system | Permanent river |
Landmarks | Lafa tufa dam and rock church |
Topography | Mountains and deep gorges |
The Ruba Bich’i is a river of the
Characteristics
The Ruba Bich’i is a confined ephemeral river, locally meandering in its narrow alluvial plain, with an average slope gradient of 38 metres per kilometre. With its tributaries, the river has cut a deep gorge.[2]
Flash floods and flood buffering
Runoff mostly happens in the form of high runoff discharge events that occur in a very short period (called
Transhumance towards the gorge
Transhumance takes place in the summer rainy season, when the lands near the villages are occupied by crops. Young shepherds will take the village cattle down to the gorge and overnight in small caves. The gorges are particularly attractive as a transhumance destination zone, because there is water and good growth of semi-natural vegetation.[8]
Boulders and pebbles in the river bed
Boulders and pebbles encountered in the river bed can originate from any location higher up in the catchment. In the uppermost stretches of the river, only rock fragments of the upper lithological units will be present in the river bed, whereas more downstream one may find a more comprehensive mix of all lithologies crossed by the river. From upstream to downstream, the following lithological units occur in the catchment.[9]
- Antalo Limestone
- Quaternary freshwater tufa[10]
Trekking along the river
Trekking routes have been established across and along this river.[11] The tracks are not marked on the ground but can be followed using downloaded .GPX files.[12] Trek 14 and trek 17 visit the upper part of Ruba Bich’i catchment.
See also
- List of Ethiopian rivers
References
- ISBN 978-3-030-04954-6.
- ^ ISBN 978-3-030-04954-6.
- hdl:1854/LU-378900.
- hdl:1854/LU-378900.
- .
- .
- hdl:1854/LU-8518957.
- hdl:1854/LU-854326.
- ISBN 978-3-030-04954-6.
- .
- ISBN 978-3-030-04954-6.
- ^ Public GPS traces tagged with nyssen-jacob-frankl | OpenStreetMap