Hydrogeology of Republic of Congo: Difference between revisions
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[[File: Republic of Congo_pre_Monthly.png| 255x124px| Average monthly precipitation for the Republic of the Congo showing minimum and maximum (light blue), 25th and 75th percentile (blue), and median (dark blue) rainfall]] [[File: | [[File: Republic of Congo_pre_Monthly.png| 255x124px| Average monthly precipitation for the Republic of the Congo showing minimum and maximum (light blue), 25th and 75th percentile (blue), and median (dark blue) rainfall]] [[File:Republic of Congo_tmp_Monthly.png| 255x124px| Average monthly temperature for the Republic of the Congo showing minimum and maximum (orange), 25th and 75th percentile (red), and median (black) temperature]] [[File: Republic of Congo_pre_Qts.png | 255x124px | Quarterly precipitation over the period 1950-2012]] [[File: Republic of Congo_pre_Mts.png|255x124px | Monthly precipitation (blue) over the period 2000-2012 compared with the long term monthly average (red)]] | ||
For further detail on the climate datasets used see the [[Climate | climate resources section]]. | For further detail on the climate datasets used see the [[Climate | climate resources section]]. | ||
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| [[File: | | [[File: RepublicOfCongo_LandCover.png | frame | Land Cover Map of the Republic of the Congo (For map key and more information on the datasets used in the map see the [[Land cover | land cover resources section]])]] | ||
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Revision as of 09:46, 7 September 2015
Africa Groundwater Atlas >> Hydrogeology by country >> Hydrogeology of the Republic of the Congo
Most of the textual information on this page was taken from the chapter on the Congo in the report ‘Groundwater in Eastern, Central and Southern Africa’ (UN 1989). This information is outdated. If you have more recent information on the hydrogeology of the Republic of the Congo, please get in touch.
Compilers
Dr Kirsty Upton and Brighid Ó Dochartaigh, British Geological Survey, UK
Geographical Setting
General
| Estimated Population in 2013* | 4,447,632 |
| Rural Population (% of total) (2013)* | 35.5% |
| Total Surface Area* | 341,500 sq km |
| Agricultural Land (% of total area) (2012)* | 31.0% |
| Capital City | Brazzaville |
| Region | Central Africa |
| Border Countries | Gabon, Cameroon, Central African Republic, Democratic Republic of the Congo |
| Annual Freshwater Withdrawal (2013)* | 46 Million cubic metres |
| Annual Freshwater Withdrawal for Agriculture (2013)* | 8.7% |
| Annual Freshwater Withdrawal for Domestic Use (2013)* | 69.6% |
| Annual Freshwater Withdrawal for Industry (2013)* | 21.7% |
| Rural Population with Access to Improved Water Source (2012)* | 38.8% |
| Urban Population with Access to Improved Water Source (2012)* | 95.7% |
* Source: World Bank
Climate
-
Koppen Geiger Climate Zones -
Average Annual Precipitation -
Average Temperature
For further detail on the climate datasets used see the climate resources section.
Surface water
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Soil
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Land cover
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Geology
This section provides a summary of the geology of the Republic of the Congo. More information is available in the report Groundwater in Eastern, Central and Southern Africa: Congo (1989) (see References section, below).
The geology map shows a simplified version of the geology at a national scale (see the Geology resources page for more details).
| Key Formations | Period | Lithology | Structure |
| Geological Environment 1 | |||
|---|---|---|---|
| Name of formation1 | Time period | Description | Structure |
| Geological Environment 2 | |||
| Geological Environment 3 | |||
Hydrogeology
This section provides a summary of the hydrogeology of the main aquifers in the Republic of the Congo. More information is available in the report Groundwater in Eastern, Central and Southern Africa: Congo (1989) (see References section, below).
The hydrogeology map shows a simplified version of the type and productivity of the main aquifers at a national scale (see the Aquifer properties resource page for more details).
Unconsolidated
| Named Aquifers | Period | General Description | Water quality |
Sedimentary - Intergranular Flow
| Named Aquifers | Period | General Description | Water quality |
Sedimentary - Intergranular & Fracture Flow
| Named Aquifers | Period | General Description | Water quality |
Sedimentary - Fracture Flow
| Named Aquifers | Period | General Description | Water quality |
Basement
| Named Aquifers | Period | General Description | Water quality |
Groundwater Status
Groundwater quantity
Groundwater quality
Groundwater use and management
Groundwater use
Groundwater management
Groundwater monitoring
Transboundary aquifers
For further information about transboundary aquifers, please see the Transboundary aquifers resources page
References
The following report provides more information on the geology and hydrogeology of the Republic of the Congo. It can also be accessed through the Africa Groundwater Literature Archive United Nations. 1989. Groundwater in Eastern, Central and Southern Africa: Congo. United Nations Department of Technical Cooperation for Development, Natural Resources/Water Series No.19
Return to the index pages
Africa Groundwater Atlas >> Hydrogeology by country >> Hydrogeology of the Republic of the Congo