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[[Overview of Africa Groundwater Atlas | Africa Groundwater Atlas]] >> [[Hydrogeology by country | Hydrogeology by country]] >> Hydrogeology of Angola
[[Overview of Africa Groundwater Atlas | Africa Groundwater Atlas]] >> [[Hydrogeology by country | Hydrogeology by country]] >> Hydrogeology of Angola


==Authors==


'''Most of the textual information on this page was taken from the chapter on Angola in the report [http://www.bgs.ac.uk/africagroundwateratlas/fulldetails.cfm?id=AGLA060001 ‘Groundwater in Eastern, Central and Southern Africa’] (UN 1989).This information is outdated. If you have more recent information on the hydrogeology of Angola, please get in touch.'''


==[[Geographical Setting]]==
 
Type here . .
==Compilers==
 
'''Dr Kirsty Upton''' and '''Brighid Ó Dochartaigh''', British Geological Survey, UK
 
==Geographical Setting==
 
[[File:Angola_Political.png | right | frame | Map of Angola (For more information on the datasets used in the map see the [[Geography | geography resources section]])]]


===General===
===General===


Angola is in central-southern Africa.
{| class = "wikitable"
|-
|Estimated Population in 2013* || 21,471,618
|-
|Rural Population (% of total) (2013)* || 57.5%
|-
|Total Surface Area* || 1,246,700 sq km
|-
|Agricultural Land (% of total area) (2012)* || 47.5%
|-
|Capital City || Luanda
|-
|Region || Central Africa
|-
|Border Countries || Namibia, the Democratic Republic of the Congo, Zambia
|-
|Annual Freshwater Withdrawal (2013)* || 708.8 Million cubic metres
|-
|Annual Freshwater Withdrawal for Agriculture (2013)* || 20.8%
|-
|Annual Freshwater Withdrawal for Domestic Use (2013)* || 45.3%
|-
|Annual Freshwater Withdrawal for Industry (2013)* || 33.9%
|-
|Rural Population with Access to Improved Water Source (2012)* || 34.3%
|-
|Urban Population with Access to Improved Water Source (2012)* || 67.6%
|}
<nowiki>*</nowiki> Source: World Bank
===Climate===
<gallery widths="375px" heights=365px mode=nolines>
File:Angola_ClimateZones.png |Koppen Geiger Climate Zones
File:Angola_ClimatePrecip.png |Average Annual Precipitation
File:Angola_ClimateTemp.png |Average Temperature
</gallery>
[[File:Angola_pre_Monthly.png| 255x124px| Average monthly precipitation for Angola showing minimum and maximum (light blue), 25th and 75th percentile (blue), and median (dark blue) rainfall]] [[File:Angola_tmp_Monthly.png| 255x124px| Average monthly temperature for Angola showing minimum and maximum (orange), 25th and 75th percentile (red), and median (black) temperature]] [[File:Angola_pre_Qts.png | 255x124px | Quarterly precipitation over the period 1950-2012]] [[File:Angola_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]].


===[[Climate]]===
===Surface water===
Type here . .


====Climate zones====
{|
Type here . .
|-
|


===[[Surface water]]===
Type here . .


===[[Soil]]===
| [[File:Angola_Hydrology.png | frame | Surface Water Map of Angola (For more information on the datasets used in the map see the [[Surface water | surface water resources section]])]]
Type here . .
|}


===[[Land cover]]===
===Soil===
Type here . .
{|
|-
| [[File:Angola_soil.png | frame | Soil Map of Angola (For map key and more information on the datasets used in the map see the [[Soil | soil resources section]])]]
 
|
|}
 
===Land cover===
{|
|-
|
 
| [[File:Angola_LandCover.png | frame | Land Cover Map of Angola (For map key and more information on the datasets used in the map see the [[Land cover | land cover resources section]])]]
|}
 
 
 
==Geology==
 
This section provides a summary of the geology of Angola. More information is available in the report [ADD LINK UN] (1988) (see References section, below).
 
The geology map shows a simplified version of the geology at a national scale (see [[Geology | the Geology resources page]] for more details).
 
[[File:Angola_Geology.png | right]]
 
{| class = "wikitable"
|+ Geological Environments
|Key Formations||Period||Lithology
|-
!colspan="4"|Geological Environment 1
|-
|Name of formation1
||Time period
||Description
|-
|
||
||
|-
!colspan="4"| Geological Environment 2
|-
|
||
||
|-
|
||
||
|-
!colspan="4"| Geological Environment 3
|-
|
||
||
|-
|
||
||
|}


==[[Geology]]==
Type here . .


==Hydrogeology==
==Hydrogeology==
Type here . .


===[[Aquifer properties]]===
This section provides a summary of the hydrogeology of the main aquifers in Angola. More information is available in the report [ADD LINK UN] (1988) (see References section, below).
Type here . .
 
The hydrogeology map shows a simplified version of the type and productivity of the main aquifers at a national scale (see [[Aquifer properties| the Aquifer properties resource page]] for more details).
 
[[File:Angola_Hydrogeology.png]] [[File: Hydrogeology_Key.png | 500x195px]]
 
 
====Unconsolidated====
{| class = "wikitable"
|Named Aquifers||Period||General Description||Water quality
|-
|
||
 
||
||
|}
 
==== Sedimentary - Intergranular Flow====
{| class = "wikitable"
|Named Aquifers||Period||General Description||Water quality
|-
|
||
 
||
||
|}
 
==== Sedimentary - Intergranular & Fracture Flow====
{| class = "wikitable"
|Named Aquifers||Period||General Description||Water quality
|-
|
||
 
||
||
|}
 
==== Sedimentary - Fracture Flow====
{| class = "wikitable"
|Named Aquifers||Period||General Description||Water quality
|-
|
||
 
||
||
|}
 
====Basement====
{| class = "wikitable"
|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 | Transboundary aquifers resources page]]
 
 
==References==
 
The following references provide more information on the geology and hydrogeology of Angola.
 
These, and others, can be accessed through the [http://www.bgs.ac.uk/africagroundwateratlas/searchResults.cfm?title_search=&author_search=&category_search=&country_search=AO&placeboolean=AND&singlecountry=1 Africa Groundwater Literature Archive]


===[[Groundwater quality issues | Groundwater quality]]===
Type here . .


==Groundwater use and  management==
Type here . .


===[[Groundwater use]]===
United Nations. 1989. [http://www.bgs.ac.uk/africagroundwateratlas/fulldetails.cfm?id=AGLA060001 Groundwater in Eastern, Central and Southern Africa: Angola]. United Nations Department of Technical Cooperation for Development, Natural Resources/Water Series No.19, ST/TCD/6.  
Type here . .


===[[Groundwater management]] and [[Transboundary aquifers]]===
Type here . .


==Return to the index pages==
[[Overview of Africa Groundwater Atlas | Africa Groundwater Atlas]] >> [[Hydrogeology by country | Hydrogeology by country]] >> Hydrogeology of Angola




Revision as of 16:34, 16 September 2015

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


Most of the textual information on this page was taken from the chapter on Angola 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 Angola, please get in touch.


Compilers

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

Geographical Setting

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

General

Angola is in central-southern Africa.

Estimated Population in 2013* 21,471,618
Rural Population (% of total) (2013)* 57.5%
Total Surface Area* 1,246,700 sq km
Agricultural Land (% of total area) (2012)* 47.5%
Capital City Luanda
Region Central Africa
Border Countries Namibia, the Democratic Republic of the Congo, Zambia
Annual Freshwater Withdrawal (2013)* 708.8 Million cubic metres
Annual Freshwater Withdrawal for Agriculture (2013)* 20.8%
Annual Freshwater Withdrawal for Domestic Use (2013)* 45.3%
Annual Freshwater Withdrawal for Industry (2013)* 33.9%
Rural Population with Access to Improved Water Source (2012)* 34.3%
Urban Population with Access to Improved Water Source (2012)* 67.6%

* Source: World Bank


Climate

  • Koppen Geiger Climate Zones
    Koppen Geiger Climate Zones
  • Average Annual Precipitation
    Average Annual Precipitation
  • Average Temperature
    Average Temperature

Average monthly precipitation for Angola showing minimum and maximum (light blue), 25th and 75th percentile (blue), and median (dark blue) rainfall Average monthly temperature for Angola 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 Angola (For more information on the datasets used in the map see the surface water resources section)

Soil

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

Land cover

Land Cover Map of Angola (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 Angola. More information is available in the report [ADD LINK UN] (1988) (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).

Geological Environments
Key Formations Period Lithology
Geological Environment 1
Name of formation1 Time period Description
Geological Environment 2
Geological Environment 3


Hydrogeology

This section provides a summary of the hydrogeology of the main aquifers in Angola. More information is available in the report [ADD LINK UN] (1988) (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 references provide more information on the geology and hydrogeology of Angola.

These, and others, can be accessed through the Africa Groundwater Literature Archive


United Nations. 1989. Groundwater in Eastern, Central and Southern Africa: Angola. United Nations Department of Technical Cooperation for Development, Natural Resources/Water Series No.19, ST/TCD/6.


Return to the index pages

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

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