Logiya River

Last updated
Logiya River
Ethiopia rel location map.svg
Red pog.svg
Location
Country Ethiopia
Regions Afar, Amhara
Physical characteristics
Source Ethiopian Highlands
  coordinates 11°42′21″N39°33′14″E / 11.70583°N 39.55389°E / 11.70583; 39.55389
  elevation3,392 metres (11,129 ft)
Mouth Awash River
  location
Near Logiya
  coordinates
11°43′09″N40°59′58″E / 11.71917°N 40.99944°E / 11.71917; 40.99944
  elevation
391 metres (1,283 ft)
Length212 km (132 mi) [1]
Basin size3,520 km2 (1,360 sq mi)
Discharge 
  locationMouth [1]
  average11.8 m3/s (420 cu ft/s)
  minimum1.09 m3/s (38 cu ft/s)
  maximum55.1 m3/s (1,950 cu ft/s)
Basin features
Progression AwashLake Abbe
River system Awash Basin
Cities Logiya
Population140,000 [2]

The Logiya, or Logia, is a river of east-central Ethiopia, a left tributary of the Awash River.

Contents

Course

The Logiya rises in the Ethiopian Highlands, then flows eastwards to join the Awash near Semera, below the Tendaho Dam. [3] It runs through flat lowland areas with mountainous boundaries in the Great Rift Valley of northeastern Ethiopia.

Watershed

The Logiya watershed is part of the Lower Awash River Basin (LARB). The upper part is in the North Wollo Zone of the Amhara Region. Lower down it is in the Afar Region. [4] The Logiya watershed lies to the west of the Awash River, and covers an area of 3,520 km2 (1,360 sq mi). [1] Elevations range from 384 to 2,487 metres (1,260 to 8,159 ft) above sea level. [5] The average altitude is 890.6 metres (2,922 ft) above sea level. Mean annual temperature is 20.8 °C (69.4 °F) in the highest parts and 29 °C (84 °F) in the lower part. [6]

The watershed is mainly arid lowlands, and has fluctuating temperature and rainfall. [4] Ground cover includes grass steppe, shrub, tree steppe and bare soil with very sparse vegetation. [7] The watershed suffers from severe degradation of the soil and desertification. However, particularly in the upper regions during the periods of high rainfall, it may be subject to flooding. [8]

Hydrology

The main rainy season is from June to September. The dry season is from October to January and the small rainy season is from February to May. Mean annual precipitation varies from 1,600 millimetres (63 in) in the highlands to 160 millimetres (6.3 in) in the lowlands. [6]

See also

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References

  1. 1 2 3 Lehner, Bernhard; Verdin, Kristine; Jarvis, Andy (2008-03-04). "New Global Hydrography Derived From Spaceborne Elevation Data". Eos, Transactions American Geophysical Union. 89 (10): 93–94. doi:10.1029/2008eo100001. ISSN   0096-3941.
  2. Liu, L., Cao, X., Li, S., & Jie, N. (2023). GlobPOP: A 31-year (1990-2020) global gridded population dataset generated by cluster analysis and statistical learning (1.0) [Data set]. Zenodo. https://doi.org/10.5281/zenodo.10088105
  3. OpenStreetMap.
  4. 1 2 Jilo et al. 2019, p. 2.
  5. Argaw 2008, p. 94.
  6. 1 2 Jilo et al. 2019, p. 3.
  7. Jilo et al. 2019, p. 5.
  8. Jilo et al. 2019, pp. 2–3.

Sources