Hydrogeology of Eritrea: Difference between revisions

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==Geographical Setting==
==Geographical Setting==


[[File:Eritrea_Political.png | right | frame | Eritrea. For more information on the datasets used to develop the map see the [[Geography | geography resource page]]]]  
[[File:Eritrea_Political.png | right | frame | Eritrea. Map developed from USGS GTOPOPO30; GADM global administrative areas; and UN Revision of World Urbanization Prospects. For more information on the map development and datasets see the [[Geography | geography resource page]]]]  


===General===
===General===
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===Climate===
===Climate===
These maps and graphs were developed from the CRU TS 3.21 dataset produced by the Climatic Research Unit at the University of East Anglia, UK. For more information see the [[Climate | climate resource page]].


<gallery widths="375px" heights=365px mode=nolines>
<gallery widths="375px" heights=365px mode=nolines>
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[[File:Eritrea_pre_Monthly.png| 255x124px| Average monthly precipitation for Eritrea showing minimum and maximum (light blue), 25th and 75th percentile (blue), and median (dark blue) rainfall]] [[File:Eritrea_tmp_Monthly.png| 255x124px| Average monthly temperature for Eritrea showing minimum and maximum (orange), 25th and 75th percentile (red), and median (black) temperature]] [[File:Eritrea_pre_Qts.png | 255x124px | Quarterly precipitation over the period 1950-2012]] [[File:Eritrea_pre_Mts.png|255x124px | Monthly precipitation (blue) over the period 2000-2012 compared with the long term monthly average (red)]]  
[[File:Eritrea_pre_Monthly.png| 255x124px| Average monthly precipitation for Eritrea showing minimum and maximum (light blue), 25th and 75th percentile (blue), and median (dark blue) rainfall]] [[File:Eritrea_tmp_Monthly.png| 255x124px| Average monthly temperature for Eritrea showing minimum and maximum (orange), 25th and 75th percentile (red), and median (black) temperature]] [[File:Eritrea_pre_Qts.png | 255x124px | Quarterly precipitation over the period 1950-2012]] [[File:Eritrea_pre_Mts.png|255x124px | Monthly precipitation (blue) over the period 2000-2012 compared with the long term monthly average (red)]]  
   
   
For more information on the datasets used to develop these maps and graphs see the [[Climate | climate resource page]].


===Surface water===
===Surface water===
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| [[File:Eritrea_Hydrology.png | frame | Major surface water features of Eritrea (For more information on the datasets used in the map see the [[Surface water | surface water resources section]])]]
| [[File:Eritrea_Hydrology.png | frame | Major surface water features of Eritrea. Map developed from World Wildlife Fund HydroSHEDS; Digital Chart of the World drainage; and FAO Inland Water Bodies. For more information on the map development and datasets see the [[Surface water | surface water resources section]])]]
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| [[File:Eritrea_soil.png | frame | Soil Map of Eritrea. For more information on the map see the [[Soil | soil resource page]]]]
| [[File:Eritrea_soil.png | frame | Soil Map of Eritrea, from the European Commission Joint Research Centre: European Soil Portal. For more information on the map see the [[Soil | soil resource page]]]]


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| [[File:Eritrea_LandCover.png | frame | Land Cover Map of Eritrea. For more information on the map see the [[Land cover | land cover resource page]]]]
| [[File:Eritrea_LandCover.png | frame | Land Cover Map of Eritrea, from the European Space Agency GlobCover 2.3, 2009. For more information on the map see the [[Land cover | land cover resource page]]]]
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| [[File:Eritrea_Geology.png | thumb| center| 500 px|Geology of Eritrea at 1:5million scale. For more information on how the map was developed see the [[Geology | geology resource page]]]]
| [[File:Eritrea_Geology.png | thumb| center| 500 px|Geology of Eritrea at 1:5million scale. Developed from USGS map (Persits et al. 2002). For more information on the map development and datasets see the [[Geology | geology resource page]]]]
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Revision as of 14:26, 25 April 2016

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


This page has limited information and needs to be updated. If you have more information on the hydrogeology of Eritrea, please get in touch!


Compilers

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

Please cite this page as: Upton & Ó Dochartaigh, 2016.

Bibliographic reference: Upton, K. & Ó Dochartaigh, B.É. 2016. Africa Groundwater Atlas: Hydrogeology of Eritrea. British Geological Survey. Accessed [date you accessed the information]. http://earthwise.bgs.ac.uk/index.php/Hydrogeology_of_Eritrea

Terms and conditions

The Africa Groundwater Atlas is hosted by the British Geological Survey (BGS) and includes information from third party sources. Your use of information provided by this website is at your own risk. If reproducing diagrams that include third party information, please cite both the Africa Groundwater Atlas and the third party sources. Please see the Terms and Conditions for more information.


Geographical Setting

Eritrea. Map developed from USGS GTOPOPO30; GADM global administrative areas; and UN Revision of World Urbanization Prospects. For more information on the map development and datasets see the geography resource page

General

Estimated Population in 2013* 6,333,135
Rural Population (% of total) (2013)* 78.2%
Total Surface Area* 101,000 sq km
Agricultural Land (% of total area) (2012)* 75.2%
Capital City Asmara
Region Eastern Africa
Border Countries Sudan, Ethiopia, Djibouti
Annual Freshwater Withdrawal (2013)* 582 Million cubic metres
Annual Freshwater Withdrawal for Agriculture (2013)* 94.5%
Annual Freshwater Withdrawal for Domestic Use (2013)* 5.3%
Annual Freshwater Withdrawal for Industry (2013)* 0.2%
Rural Population with Access to Improved Water Source (2012)* n/a
Urban Population with Access to Improved Water Source (2012)* n/a

* Source: World Bank


Climate

These maps and graphs were developed from the CRU TS 3.21 dataset produced by the Climatic Research Unit at the University of East Anglia, UK. For more information see the climate resource page.

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

Average monthly precipitation for Eritrea showing minimum and maximum (light blue), 25th and 75th percentile (blue), and median (dark blue) rainfall Average monthly temperature for Eritrea 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)


Surface water
Major surface water features of Eritrea. Map developed from World Wildlife Fund HydroSHEDS; Digital Chart of the World drainage; and FAO Inland Water Bodies. For more information on the map development and datasets see the surface water resources section)

Soil

Soil Map of Eritrea, from the European Commission Joint Research Centre: European Soil Portal. For more information on the map see the soil resource page

Land cover

Land Cover Map of Eritrea, from the European Space Agency GlobCover 2.3, 2009. For more information on the map see the land cover resource page


Geology

The geology map shows a simplified version of the geology at a national scale.



Geology of Eritrea at 1:5million scale. Developed from USGS map (Persits et al. 2002). For more information on the map development and datasets see the geology resource page

Hydrogeology

The hydrogeology map below shows a simplified version of the type and productivity of the main aquifers at a national scale (see the hydrogeology Map resource page for more details).


Hydrogeology of Eritrea at 1:5million scale. For more information on how the map was developed see the hydrogeology map resource page



Transboundary aquifers

For further information about transboundary aquifers, please see the Transboundary aquifers resources page.

References

References with more information on the geology and hydrogeology of Eritrea can be accessed through the Africa Groundwater Literature Archive.


Return to the index pages

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

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