Jamma River

Jamma River

Infobox_River
river_name = Jamma River


image_size =
caption =
origin =
mouth = coord|10.1572|38.3412|display=inline,title|region:ET-OR_type:river into Blue Nile
basin_countries = Ethiopia
length =
elevation =
mouth_elevation =
discharge =
watershed = The Jamma River is a river in central Ethiopia and a tributary of the Abay (or Blue Nile) on its right side. It drains parts of the Semien Shewa Zones of the Amhara and Oromia Regions. The Upper Jamma flows through steep, deep canyons cut first through volcanic rock and then through the Cretaceous sandstone and shaly sandstone, with Jurassic limestone at the bottom. [http://130.238.24.99/library/resources/dossiers/local_history_of_ethiopia/j/ORTJA.pdf "Local History in Ethiopia"] (pdf) The Nordic Africa Institute website (accessed 29 January 2008)]

One of the earliest recorded mentions of the name Jamma is by the missionary Pedro Páez, who was the first European to see and describe the origin of the Abay.

See also

* List of Ethiopian rivers

Notes

External links

* [http://www.dppc.gov.et/downloadable/map/administrative/Atlas_Oromiya.pdf Ethiopia Disaster Prevention and Preparedness Agency: Administrative atlas: Oromiya region]
* [http://www.dppc.gov.et/downloadable/map/Thematic%20maps/floodvulnerableareas_aug24_2006.jpgEthiopia Disaster Prevention and Preparedness Agency: Flood Vulnerable Areas as of August 24, 2006]


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