Seybouse River

Seybouse
The Seybouse in Guelma Province, Algeria
Native name وادي سيبوس
Country Algeria
Physical characteristics
Main source Medjez Amar, Tell Atlas Algeria
River mouth Mediterranean Sea, near Annaba, Algeria
0 m (0 ft)
Length 225 km (140 mi)
Discharge
  • Average rate:
    11.5 m3/s (410 cu ft/s) at Guelma and Annaba
Basin features
Basin size 6,471 km2 (2,498 sq mi)

Seybouse (Arabic: وادي سيبوس‎ Oued Seybouse) is a river in northeastern Algeria, near the border with Tunisia. In Roman times, it was called the Ubus.

Course

The river runs for about 225 kilometres (140 mi), flowing through Guelma and Annaba Provinces. It starts in Medjez Amar, in the Tell Atlas north-west of Guelma Province. Its flows into the Mediterranean Sea at Seybouse (called Joannonville under French rule) to the south-east of the city of Annaba.[1] Its mouth is just north of Sidi Salem, the site of Hippo Regius where Saint Augustine lived in AD 391–430.

The Seybouse is used for irrigation of agricultural areas, but it is becoming polluted because of industrial activities.[2]

Characteristics

(As of 1998; source: ANRH)
Element Amount
Flow 11.5 m³/s
Temperature 21.41 °C
pH 8.21
Oxygen saturation 36.61%
DBO1 18.33
DCO² 124.3
Nitrates (NO3) 5.58
PO4−3 2.29
Ammonium 9.18

References

  1. ↑ The old metal bridge over the river Seybouse at Joannonville
  2. ↑ Potential pollution of groundwater in the valley of the Seybouse River, north-eastern Algeria

Coordinates: 36°52′01″N 7°46′18″E / 36.86694°N 7.77167°E / 36.86694; 7.77167


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