The Chambeshi (or Chambezi) River of northeastern

Zambia Zambia (), officially the Republic of Zambia, is a landlocked country at the crossroads of Central Africa, Central, Southern Africa, Southern and East Africa, although it is typically referred to as being in Southern Africa at its most cent ...

is the most remote

headstream The headwaters of a river or stream is the farthest place in that river or stream from its estuary or downstream confluence with another river, as measured along the course of the river. It is also known as a river's source. Definition The ...

of the

Congo River The Congo River ( kg, Nzâdi Kôngo, french: Fleuve Congo, pt, Rio Congo), formerly also known as the Zaire River, is the second longest river in Africa, shorter only than the Nile, as well as the second largest river in the world by discharge ...

(in length) and therefore it is considered the source of the Congo River. (However, by volume of water, the

Lualaba River The Lualaba River flows entirely within the eastern Democratic Republic of the Congo. It provides the greatest streamflow to the Congo River, while the source of the Congo is recognized as the Chambeshi. The Lualaba is long. Its headwaters are in ...

provides a greater

streamflow Streamflow, or channel runoff, is the flow of water in streams and other channels, and is a major element of the water cycle. It is one component of the movement of water from the land to waterbodies, the other component being surface runoff. Wate ...

to the Congo.) The Chambeshi rises as a

stream A stream is a continuous body of water, body of surface water Current (stream), flowing within the stream bed, bed and bank (geography), banks of a channel (geography), channel. Depending on its location or certain characteristics, a stream ...

in the

mountain A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited Summit (topography), summit area, and ...

s of northeast Zambia near

Lake Tanganyika Lake Tanganyika () is an African Great Lake. It is the second-oldest freshwater lake in the world, the second-largest by volume, and the second-deepest, in all cases after Lake Baikal in Siberia. It is the world's longest freshwater lake. ...

at an elevation of above sea level. It flows for 480 km into the

Bangweulu Wetlands The Bangweulu Wetlands is a wetland ecosystem adjacent to Lake Bangweulu in north-eastern Zambia. The area has been designated as one of the world's most important wetlands by the Ramsar Convention and an "Important Bird Area" by BirdLife Internati ...

, which are part of

Lake Bangweulu Bangweulu — 'where the water sky meets the sky' — is one of the world's great wetland systems, comprising Lake Bangweulu, the Bangweulu Swamps and the Bangweulu Flats or floodplain.Camerapix: ''Spectrum Guide to Zambia.'' Camerapix Internation ...

. By the end of the

rainy season The rainy season is the time of year when most of a region's average annual rainfall occurs. Rainy Season may also refer to: * ''Rainy Season'' (short story), a 1989 short horror story by Stephen King * "Rainy Season", a 2018 song by Monni * ''T ...

in May, the river delivers a

flood A flood is an overflow of water ( or rarely other fluids) that submerges land that is usually dry. In the sense of "flowing water", the word may also be applied to the inflow of the tide. Floods are an area of study of the discipline hydrol ...

which recharges the wetlands and inundates the Zambesian grasslands to the southeast. The water then flows out of the wetlands as the

Luapula River The Luapula River is a section of Africa's second-longest river, the Congo. It is a transnational river forming for nearly all its length part of the border between Zambia and the DR Congo. It joins Lake Bangweulu (wholly in Zambia) to Lake ...

. For more than 100 km of its length as it flows to the east of Kasama, the river consists of a maze of channels in wetlands about 2 km wide, in a

floodplain A floodplain or flood plain or bottomlands is an area of land adjacent to a river which stretches from the banks of its channel to the base of the enclosing valley walls, and which experiences flooding during periods of high discharge.Goudi ...

up to 25 km wide. Further downstream, where it is bridged by the Kasama–

Mpika Mpika is a town in the Muchinga Province of Zambia, lying at the junction of the M1 Road to Kasama and Mbala and the Tanzam Highway ( Great North Road) to Dar es Salaam, Tanzania in the north-east and Lusaka in the south-west. It also has a r ...

road and the

Tazara Railway The Tazara Railway, also called the Uhuru Railway or the Tanzam Railway, is a railway in East Africa linking the port of Dar es Salaam in east Tanzania with the town of Kapiri Mposhi in Zambia's Central Province. The single-track railway is ...

, the permanent main channel is about 100 m wide, and up to 400 m wide in flood.Google Earth accessed 4 February 2007

References

External links

Chambeshi River Floods
at

NASA Earth Observatory NASA Earth Observatory is an online publishing outlet for NASA which was created in 1999. It is the principal source of satellite imagery and other scientific information pertaining to the climate and the Environment (biophysical), environment whi ...

Rivers of Zambia Lake Bangweulu Tributaries of the Congo River {{Zambia-river-stub