Hydrogeology of Gabon

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Africa Groundwater Atlas >> Hydrogeology by country >> Hydrogeology of Gabon

Authors

Dr Kirsty Upton and Brighid Ó Dochartaigh, British Geological Survey, UK


Geographical Setting

Map of Gabon(For more information on the datasets used in the map see the geography resources section)

General

Estimated Population in 2013* XXX
Rural Population (% of total) (2013)* XXX%
Total Surface Area* XXX sq km
Agricultural Land (% of total area) (2012)* XXX%
Capital City XXX
Region XXX
Border Countries XXX
Annual Freshwater Withdrawal (2013)* XXX Million cubic metres
Annual Freshwater Withdrawal for Agriculture (2013)* XXX%
Annual Freshwater Withdrawal for Domestic Use (2013)* XXX%
Annual Freshwater Withdrawal for Industry (2013)* XXX%
Rural Population with Access to Improved Water Source (2012)* XXX%
Urban Population with Access to Improved Water Source (2012)* XXX%

* Source: World Bank


Climate


Average monthly precipitation for Gabon showing minimum and maximum (light blue), 25th and 75th percentile (blue), and median (dark blue) rainfall Average monthly temperature for Gabon showing minimum and maximum (orange), 25th and 75th percentile (red), and median (black) temperature Quarterly precipitation over the period 1950-2012 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 resources section.

Surface water


Surface Water Map of Gabon(For more information on the datasets used in the map see the surface water resources section)

Soil

Soil Map of Gabon (For map key and more information on the datasets used in the map see the soil resources section)

Land cover

Land Cover Map of Gabon (For map key and more information on the datasets used in the map see the land cover resources section)


Geology

This section provides a summary of the geology of Gabon. More detail can be found in the references listed at the bottom of this page. Many of these references can be accessed through the Africa Groundwater Literature Archive.

The geology map on this page shows a simplified version of the geology at a national scale (see the Geology resources page for more details).

Gabon Geology.png
Geological Environments
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 Gabon. More information is available in the references listed at the bottom of this page. Many of these references can be accessed through the Africa Groundwater Literature Archive.

The hydrogeology map on this page 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).

Gabon Hydrogeology.png Hydrogeology Key.png


Unconsolidated

Named Aquifers General Description Water quantity issues Water quality issues Recharge

Sedimentary - Intergranular Flow

Named Aquifers General Description Water quantity issues Water quality issues Recharge

Sedimentary - Intergranular & Fracture Flow

Named Aquifers General Description Water quantity issues Water quality issues Recharge

Sedimentary - Fracture Flow

Named Aquifers General Description Water quantity issues Water quality issues Recharge

Basement

Named Aquifers General Description Water quantity issues Water quality issues Recharge


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 references provide more information on the geology and hydrogeology of COUNTRY. These, and others, can be accessed through the Africa Groundwater Literature Archive

United Nations. 1989. Groundwater in Eastern, Central and Southern Africa: Gabon. United Nations Department of Technical Cooperation for Development, Natural Resources/Water Series No.19

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Africa Groundwater Atlas >> Hydrogeology by country >> Hydrogeology of Gabon