Ala-Buga

Ala-Buga
Location
Country	Kyrgyzstan
Location	Ak-Talaa District
Physical characteristics
Source
• location	Fergana Range, Torugart Too
Mouth
• location	Naryn
• coordinates	41°25′50″N 74°41′22″E / 41.4306°N 74.6895°E / 41.4306; 74.6895
Length	180 km (110 mi)
Basin size	5,820 km2 (2,250 sq mi)
Discharge
• average	Annual average::31 m3/s (1,100 cu ft/s)
Basin features
Progression	Naryn→ Syr Darya→ North Aral Sea
Tributaries
• left	Bychan, Söök, Karasuu, Mingzhylky, Mynakeldi, Kyrchynbulak.
• right	Kumaryk, Jamandavan, Kongorchok, Kashkasuu, Makmal.

The Ala-Buga (Kyrgyz: Ала-Буга, also Алабуга) is a left tributary of the Naryn in Naryn Region of Kyrgyzstan. The river is known as Arpa in its upper reaches; the rivers Arpa and Bychan merge to form the Ala-Buga. The Ala-Buga is formed on the north slopes of the Torugart Range and the south slopes of the Jaman-Too mountains. Flowing eastward through the Arpa Valley, it widens and becomes shallower as it enters the Middle Naryn Valley.

Hydrology

It is 180 kilometres (110 mi) long, and has a drainage basin of 5,820 square kilometres (2,250 sq mi). It has an average elevation of 3,290 metres (10,790 ft), an annual average flow rate of 31 cubic metres per second (1,100 cu ft/s), and an average specific discharge of 8.35 L/s•km².

Tributaries

Major tributaries include:

• Right-bank tributaries: Kumaryk (23 km (14 mi)), Jamandavan(64 km (40 mi)), Kongorchok (39 km (24 mi)), Kashkasuu (33 km (21 mi)), Makmal (41 km (25 mi)).
• Left-bank tributaries: Bychan (40 km (25 mi)), Söök (45 km (28 mi)), Karasuu, Mingzhylky, Mynakeldi, Kyrchynbulak.

Settlements

Settlements located along the banks of Ala-Buga include Kosh-Döbö, Jerge-Tal and Kongorchok.

References