The Poso is a river of Central Sulawesi on Sulawesi island, Indonesia, about 1600 km northeast of the capital Jakarta.[2] The Poso is approximately 100 km long and flows from Lake Poso, about 2 km west of the town of Tentena to the city of Poso and then into the Gulf of Tomini.[3]

Poso River
Sungai Poso, Koro Poso, Soengai Posso
The Poso River, at Poso, May 1919.
Poso River is located in Sulawesi
Poso River
Location of river mouth
Poso River is located in Indonesia
Poso River
Poso River (Indonesia)
Native nameSungai Poso (Indonesian)
Location
CountryIndonesia
StateCentral Sulawesi
Physical characteristics
SourceLake Poso
 • locationTentena
MouthGulf of Tomini
Length100 km (62 mi)
Basin size2,673.4 km2 (1,032.2 sq mi)[1]
Discharge 
 • locationNear mouth
 • average119.9 m3/s (4,230 cu ft/s)[1]
Basin features
River systemPoso River

Geography

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The river flows in the central area of Sulawesi with predominantly tropical rainforest climate (designated as Af in the Köppen-Geiger climate classification).[4] The annual average temperature in the area is 22 °C (72 °F). The warmest month is October, when the average temperature is around 23 °C (73 °F), and the coldest is January, at 20 °C (68 °F).[5] The average annual rainfall is 2,715 millimeters (106.9 inches). The wettest month is December, with an average of 368-millimeter (14.5 in) rainfall, and the driest is September, with a 66-millimeter (2.6 in) rainfall.[6]

Poso River
Climate chart (explanation)
J
F
M
A
M
J
J
A
S
O
N
D
 
 
268
 
 
22
19
 
 
159
 
 
24
20
 
 
240
 
 
24
18
 
 
356
 
 
24
18
 
 
368
 
 
25
20
 
 
229
 
 
23
20
 
 
262
 
 
24
19
 
 
149
 
 
25
20
 
 
66
 
 
26
19
 
 
152
 
 
26
20
 
 
257
 
 
24
20
 
 
211
 
 
23
20
Average max. and min. temperatures in °C
Precipitation totals in mm
Source: [5]
Imperial conversion
JFMAMJJASOND
 
 
11
 
 
72
66
 
 
6.3
 
 
75
68
 
 
9.4
 
 
75
64
 
 
14
 
 
75
64
 
 
14
 
 
77
68
 
 
9
 
 
73
68
 
 
10
 
 
75
66
 
 
5.9
 
 
77
68
 
 
2.6
 
 
79
66
 
 
6
 
 
79
68
 
 
10
 
 
75
68
 
 
8.3
 
 
73
68
Average max. and min. temperatures in °F
Precipitation totals in inches

See also

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References

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  1. ^ a b "Java-Timor-Sulawesi".
  2. ^ Koro Poso at Geonames.org (cc-by); Last updated 2013-06-04; Database dump downloaded 2015-11-27
  3. ^ Indonesia Handbook
  4. ^ Peel, M C; Finlayson, B L; McMahon, T A (2007). "Updated world map of the Köppen-Geiger climate classification". Hydrology and Earth System Sciences. 11 (5): 1633–1644. doi:10.5194/hess-11-1633-2007. Retrieved 30 January 2016.
  5. ^ a b "NASA Earth Observations Data Set Index". NASA. 30 January 2016. Archived from the original on 10 May 2020. Retrieved 4 January 2019.
  6. ^ "NASA Earth Observations: Rainfall (1 month - TRMM)". NASA/Tropical Rainfall Monitoring Mission. 30 January 2016. Archived from the original on 11 May 2020. Retrieved 4 January 2019.

Sources

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1°23′19″S 120°45′00″E / 1.3887°S 120.7499°E / -1.3887; 120.7499