Transboundary aquifers - Revision history

LaurenGiles: /* Niger Basin: Support in Groundwater Management to the Niger Basin Authority */ Niger Basin authority link removed

2024-01-23T12:43:29Z

Niger Basin: Support in Groundwater Management to the Niger Basin Authority: Niger Basin authority link removed

← Older revision		Revision as of 13:43, 23 January 2024
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	===[https://www.deutscher-rohstoffeffizienz-preis.de/EN/Themen/Wasser/Projekte/laufend/TZ/Niger/abn_fb_en.html?nn=1546392 Niger Basin: Support in Groundwater Management to the Niger Basin Authority]===		===[https://www.deutscher-rohstoffeffizienz-preis.de/EN/Themen/Wasser/Projekte/laufend/TZ/Niger/abn_fb_en.html?nn=1546392 Niger Basin: Support in Groundwater Management to the Niger Basin Authority]===

	This project, which finishes in 2022, is operated by BGR as part of the ''Integrated Water Resources Management ABN'' program of the German Development Cooperation, in partnership with the ~~[https://www.abn.ne/index.php?option=com_content&view=frontpage&Itemid=1&lang=en~~ Niger Basin Authority]. The project aims to implement measures for groundwater protection and sustainable use of groundwater in the Niger Basin Authority's IWRM (integrated water resources management) programme. Project activities include:		This project, which finishes in 2022, is operated by BGR as part of the ''Integrated Water Resources Management ABN'' program of the German Development Cooperation, in partnership with the Niger Basin Authority. The project aims to implement measures for groundwater protection and sustainable use of groundwater in the Niger Basin Authority's IWRM (integrated water resources management) programme. Project activities include:
	The project activities include:		The project activities include:

LaurenGiles: /* Conjunctive Water Management for Food Security and Resilience */ Ramotswa project map portal link removed

2024-01-23T12:42:00Z

Conjunctive Water Management for Food Security and Resilience: Ramotswa project map portal link removed

← Older revision		Revision as of 13:42, 23 January 2024
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	This overall project is a knowledge sharing platform by [https://www.iwmi.cgiar.org/ IWMI], which seeks to capture and disseminate highlights of the increasing knowledge base emerging from work on transboundary river-aquifer systems in the SADC region. Most focus is on three aquifer systems:		This overall project is a knowledge sharing platform by [https://www.iwmi.cgiar.org/ IWMI], which seeks to capture and disseminate highlights of the increasing knowledge base emerging from work on transboundary river-aquifer systems in the SADC region. Most focus is on three aquifer systems:

	* the [https://conjunctivecooperation.iwmi.org/systems/ramotswa-ngotwane-system/ '''Ramotswa-Ngotwane System''']. Some outputs from the Ramotswa project can be viewed in the online ~~[https://apps.geodan.nl/igrac/ggis-viewer/viewer/ramotswa/public/default '''~~Ramotswa project map portal~~''']~~ hosted by [https://www.un-igrac.org/ IGRAC]. More outputs can be found on the project website [https://conjunctivecooperation.iwmi.org/systems/ramotswa-ngotwane-system/reports-and-publications/ '''Reports and Publications'''].		* the [https://conjunctivecooperation.iwmi.org/systems/ramotswa-ngotwane-system/ '''Ramotswa-Ngotwane System''']. Some outputs from the Ramotswa project can be viewed in the online Ramotswa project map portal hosted by [https://www.un-igrac.org/ IGRAC]. More outputs can be found on the project website [https://conjunctivecooperation.iwmi.org/systems/ramotswa-ngotwane-system/reports-and-publications/ '''Reports and Publications'''].

	* The [https://sadc-gmi.org/shire-river/ ShireConWat] project (Conjunctive Water Resources Management in the Shire River - Aquifer System). The Shire Aquifer and River Basin System is shared between Malawi and Mozambique. This was run by [https://sadc-gmi.org/ SADC-GMI] as the client and [https://www.iwmi.cgiar.org/ IWMI] as the consultant. Read [https://gripp.iwmi.org/2019/07/04/sadc-member-states-of-malawi-and-mozambique-united-in-commitment-to-transboundary-conjunctive-water-management/ a summary of the project] - at this link you can also access draft versions of these project outputs: a transboundary diagnostic (TDA) to address the issue of system and resource assessment, and a strategic action plan (SAP) to develop the project's vision and prioritise actions to achieve it.		* The [https://sadc-gmi.org/shire-river/ ShireConWat] project (Conjunctive Water Resources Management in the Shire River - Aquifer System). The Shire Aquifer and River Basin System is shared between Malawi and Mozambique. This was run by [https://sadc-gmi.org/ SADC-GMI] as the client and [https://www.iwmi.cgiar.org/ IWMI] as the consultant. Read [https://gripp.iwmi.org/2019/07/04/sadc-member-states-of-malawi-and-mozambique-united-in-commitment-to-transboundary-conjunctive-water-management/ a summary of the project] - at this link you can also access draft versions of these project outputs: a transboundary diagnostic (TDA) to address the issue of system and resource assessment, and a strategic action plan (SAP) to develop the project's vision and prioritise actions to achieve it.

LaurenGiles: /* Niger Basin: Support in Groundwater Management to the Niger Basin Authority */ niger basin authority link

2024-01-22T15:06:45Z

Niger Basin: Support in Groundwater Management to the Niger Basin Authority: niger basin authority link

← Older revision		Revision as of 16:06, 22 January 2024
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	===[https://www.deutscher-rohstoffeffizienz-preis.de/EN/Themen/Wasser/Projekte/laufend/TZ/Niger/abn_fb_en.html?nn=1546392 Niger Basin: Support in Groundwater Management to the Niger Basin Authority]===		===[https://www.deutscher-rohstoffeffizienz-preis.de/EN/Themen/Wasser/Projekte/laufend/TZ/Niger/abn_fb_en.html?nn=1546392 Niger Basin: Support in Groundwater Management to the Niger Basin Authority]===

	This project, which finishes in 2022, is operated by BGR as part of the ''Integrated Water Resources Management ABN'' program of the German Development Cooperation, in partnership with the [https://www.abn.ne/ Niger Basin Authority]. The project aims to implement measures for groundwater protection and sustainable use of groundwater in the Niger Basin Authority's IWRM (integrated water resources management) programme. Project activities include:		This project, which finishes in 2022, is operated by BGR as part of the ''Integrated Water Resources Management ABN'' program of the German Development Cooperation, in partnership with the [https://www.abn.ne/index.php?option=com_content&view=frontpage&Itemid=1&lang=en Niger Basin Authority]. The project aims to implement measures for groundwater protection and sustainable use of groundwater in the Niger Basin Authority's IWRM (integrated water resources management) programme. Project activities include:
	The project activities include:		The project activities include:

LaurenGiles: /* IGRAC */ IGRAC transboundary aquifers online viewer links

2024-01-22T14:59:42Z

IGRAC: IGRAC transboundary aquifers online viewer links

← Older revision		Revision as of 15:59, 22 January 2024
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	As a United Nations Centre, [https://www.un-igrac.org/ IGRAC] (the International Groundwater Resources Assessment Centre) is the global lead organisation for assessing and providing information on transboundary aquifers, as part of the UNESCO International Hydrological Programme (UNESCO-IHP). There are many initiatives looking at various aspects of transboundary groundwater, including global baseline assessments and more detailed regional or aquifer assessments. Further information can be found on the [https://www.un-igrac.org/areas-expertise/transboundary-groundwaters '''Transboundary Groundwaters'''] section of IGRAC's website.		As a United Nations Centre, [https://www.un-igrac.org/ IGRAC] (the International Groundwater Resources Assessment Centre) is the global lead organisation for assessing and providing information on transboundary aquifers, as part of the UNESCO International Hydrological Programme (UNESCO-IHP). There are many initiatives looking at various aspects of transboundary groundwater, including global baseline assessments and more detailed regional or aquifer assessments. Further information can be found on the [https://www.un-igrac.org/areas-expertise/transboundary-groundwaters '''Transboundary Groundwaters'''] section of IGRAC's website.

	As part of their work on transboundary aquifers, IGRAC have led the production and publication of a map of Transboundary Aquifers of the World (latest edition 2015), which can be seen in the [https://ggis.un-igrac.org/~~ggis-viewer/viewer/tbamap~~/~~public~~/~~default~~ '''IGRAC Transboundary aquifers online viewer''']. Based on this global map, they also produced a map of transboundary aquifers of Africa in 2015, which shows the location and extent of all known transboundary aquifers in Africa; and lists the aquifer names, the countries in which they are found, and the area they cover. The map of Africa is designed to encourage further research and assessment of these important water resources. It can be seen online in the [https://ggis.un-igrac.org/~~ggis-viewer/viewer/tbamap~~/~~public~~/~~default~~ '''IGRAC Transboundary aquifers online viewer'''] and a [https://www.un-igrac.org/sites/default/files/resources/files/TBAmap_Africa_2016.pdf '''pdf version of the Africa map'''] can be downloaded.		As part of their work on transboundary aquifers, IGRAC have led the production and publication of a map of Transboundary Aquifers of the World (latest edition 2015), which can be seen in the [https://ggis.un-igrac.org/view/tba/ '''IGRAC Transboundary aquifers online viewer''']. Based on this global map, they also produced a map of transboundary aquifers of Africa in 2015, which shows the location and extent of all known transboundary aquifers in Africa; and lists the aquifer names, the countries in which they are found, and the area they cover. The map of Africa is designed to encourage further research and assessment of these important water resources. It can be seen online in the [https://ggis.un-igrac.org/view/tba/ '''IGRAC Transboundary aquifers online viewer'''] and a [https://www.un-igrac.org/sites/default/files/resources/files/TBAmap_Africa_2016.pdf '''pdf version of the Africa map'''] can be downloaded.

	===IWMI===		===IWMI===

Beod at 11:48, 30 January 2023

2023-01-30T11:48:48Z

← Older revision		Revision as of 12:48, 30 January 2023
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			==What are transboundary aquifers?==

	Transboundary aquifers (TBAs) are aquifers that underlie more than one country or political region. Management of TBA resources is therefore dependent on cooperation between countries and it is important that they are well understood to ensure they are exploited in a sustainable way.		Transboundary aquifers (TBAs) are aquifers that underlie more than one country or political region. Management of TBA resources is therefore dependent on cooperation between countries and it is important that they are well understood to ensure they are exploited in a sustainable way.

	==[https://www.un-igrac.org/ IGRAC]==		==Key organisations related to transboundary aquifers==

			===[https://www.un-igrac.org/ IGRAC]===

	As a United Nations Centre, [https://www.un-igrac.org/ IGRAC] (the International Groundwater Resources Assessment Centre) is the global lead organisation for assessing and providing information on transboundary aquifers, as part of the UNESCO International Hydrological Programme (UNESCO-IHP). There are many initiatives looking at various aspects of transboundary groundwater, including global baseline assessments and more detailed regional or aquifer assessments. Further information can be found on the [https://www.un-igrac.org/areas-expertise/transboundary-groundwaters '''Transboundary Groundwaters'''] section of IGRAC's website.		As a United Nations Centre, [https://www.un-igrac.org/ IGRAC] (the International Groundwater Resources Assessment Centre) is the global lead organisation for assessing and providing information on transboundary aquifers, as part of the UNESCO International Hydrological Programme (UNESCO-IHP). There are many initiatives looking at various aspects of transboundary groundwater, including global baseline assessments and more detailed regional or aquifer assessments. Further information can be found on the [https://www.un-igrac.org/areas-expertise/transboundary-groundwaters '''Transboundary Groundwaters'''] section of IGRAC's website.
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	As part of their work on transboundary aquifers, IGRAC have led the production and publication of a map of Transboundary Aquifers of the World (latest edition 2015), which can be seen in the [https://ggis.un-igrac.org/ggis-viewer/viewer/tbamap/public/default '''IGRAC Transboundary aquifers online viewer''']. Based on this global map, they also produced a map of transboundary aquifers of Africa in 2015, which shows the location and extent of all known transboundary aquifers in Africa; and lists the aquifer names, the countries in which they are found, and the area they cover. The map of Africa is designed to encourage further research and assessment of these important water resources. It can be seen online in the [https://ggis.un-igrac.org/ggis-viewer/viewer/tbamap/public/default '''IGRAC Transboundary aquifers online viewer'''] and a [https://www.un-igrac.org/sites/default/files/resources/files/TBAmap_Africa_2016.pdf '''pdf version of the Africa map'''] can be downloaded.		As part of their work on transboundary aquifers, IGRAC have led the production and publication of a map of Transboundary Aquifers of the World (latest edition 2015), which can be seen in the [https://ggis.un-igrac.org/ggis-viewer/viewer/tbamap/public/default '''IGRAC Transboundary aquifers online viewer''']. Based on this global map, they also produced a map of transboundary aquifers of Africa in 2015, which shows the location and extent of all known transboundary aquifers in Africa; and lists the aquifer names, the countries in which they are found, and the area they cover. The map of Africa is designed to encourage further research and assessment of these important water resources. It can be seen online in the [https://ggis.un-igrac.org/ggis-viewer/viewer/tbamap/public/default '''IGRAC Transboundary aquifers online viewer'''] and a [https://www.un-igrac.org/sites/default/files/resources/files/TBAmap_Africa_2016.pdf '''pdf version of the Africa map'''] can be downloaded.

	==IWMI==		===IWMI===

	The [https://wle.cgiar.org/content/international-water-management-institute-iwmi International Water Management Institute] (IWMI), a part of [https://wle.cgiar.org/ CGIAR], developed a map and accompanying inventory of the presently known [https://wle.cgiar.org/content/transboundary-aquifer-map-africa '''transboundary aquifers in Africa'''], in 2013. The map is based on several sources of available data and maps, including global maps by IGRAC and WHYMAP. It shows 80 aquifers or aquifer systems, superimposed on 63 international river or lake basins. The inventory accompanying the map very briefly describes the type of each transboundary aquifer, using inconsistent descriptions that include chronostratigraphic, lithological, rock type (sedimentary, igneous etc), consolidation status, and geological formation names (eg Nubian, Karoo). For each aquifer the inventory also lists the countries that share it, its area, the population living on it, the rainfall it receives annually, and the estimated annual recharge according to the WHYMAP Groundwater Resources Map of Africa. The map is available to download as a [https://wle.cgiar.org/content/transboundary-aquifer-map-africa '''pdf file'''], and is described in detail in the report [https://www.iwmi.cgiar.org/Publications/Other/PDF/transboundary_aquifer_mapping_and_management_in_africa.pdf '''Transboundary Aquifer Mapping and Management in Africa'''] (IWMI, 2014).		The [https://wle.cgiar.org/content/international-water-management-institute-iwmi International Water Management Institute] (IWMI), a part of [https://wle.cgiar.org/ CGIAR], developed a map and accompanying inventory of the presently known [https://wle.cgiar.org/content/transboundary-aquifer-map-africa '''transboundary aquifers in Africa'''], in 2013. The map is based on several sources of available data and maps, including global maps by IGRAC and WHYMAP. It shows 80 aquifers or aquifer systems, superimposed on 63 international river or lake basins. The inventory accompanying the map very briefly describes the type of each transboundary aquifer, using inconsistent descriptions that include chronostratigraphic, lithological, rock type (sedimentary, igneous etc), consolidation status, and geological formation names (eg Nubian, Karoo). For each aquifer the inventory also lists the countries that share it, its area, the population living on it, the rainfall it receives annually, and the estimated annual recharge according to the WHYMAP Groundwater Resources Map of Africa. The map is available to download as a [https://wle.cgiar.org/content/transboundary-aquifer-map-africa '''pdf file'''], and is described in detail in the report [https://www.iwmi.cgiar.org/Publications/Other/PDF/transboundary_aquifer_mapping_and_management_in_africa.pdf '''Transboundary Aquifer Mapping and Management in Africa'''] (IWMI, 2014).

Beod: /* Transboundary Aquifers */

2023-01-30T11:47:32Z

Transboundary Aquifers

Beod at 11:45, 30 January 2023

2023-01-30T11:45:54Z

← Older revision		Revision as of 12:45, 30 January 2023
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	[[Africa Groundwater Atlas Home \| Africa Groundwater Atlas]] >> [[Additional resources \| Resource pages]] >> Transboundary Aquifers		[[Africa Groundwater Atlas Home \| Africa Groundwater Atlas]] >> [[Additional resources \| Resource pages]] >> Transboundary Aquifers

			This page is still in development. Please check back soon for more content.


	Please cite page as: Africa Groundwater Atlas. 2019. Transboundary Aquifers. British Geological Survey. Accessed [date you accessed the information]. ''Weblink''.		Please cite page as: Africa Groundwater Atlas. 2019. Transboundary Aquifers. British Geological Survey. Accessed [date you accessed the information]. ''Weblink''.

	~~This page is still in development. Please check back soon for more content.~~

	==Transboundary Aquifers==		==Transboundary Aquifers==

Beod at 11:45, 30 January 2023

2023-01-30T11:45:40Z

Beod: /* Transboundary Aquifers */

2021-11-16T11:22:11Z

Transboundary Aquifers

← Older revision		Revision as of 12:22, 16 November 2021
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	===IGRAC===		===IGRAC===

	As a United Nations Centre, the International Groundwater Resources Assessment Centre (IGRAC) is taking a global lead on assessing and providing information on transboundary aquifers. There are many initiatives looking at various aspects of transboundary groundwater, including global baseline assessments and more detailed regional or aquifer assessments. Further information can be found on the [http://www.un-igrac.org/areas-expertise/transboundary-groundwaters '''Transboundary Groundwaters'''] section of IGRAC's website.		As a United Nations Centre, the International Groundwater Resources Assessment Centre (IGRAC) is taking a global lead on assessing and providing information on transboundary aquifers, as part of the UNESCO International Hydrological Programme (UNESCO-IHP). There are many initiatives looking at various aspects of transboundary groundwater, including global baseline assessments and more detailed regional or aquifer assessments. Further information can be found on the [http://www.un-igrac.org/areas-expertise/transboundary-groundwaters '''Transboundary Groundwaters'''] section of IGRAC's website.

	As part of their work on transboundary aquifers, IGRAC have led the production and publication of a map of Transboundary Aquifers of the World, which can be seen in the [https://ggis.un-igrac.org/ggis-viewer/viewer/tbamap/public/default '''IGRAC Transboundary aquifers online viewer''']. Based on this global map, they also produced a map of transboundary aquifers of Africa in 2015, which shows the location and extent of all known transboundary aquifers in Africa; and lists the aquifer names, the countries in which they are found, and the area they cover. The map of Africa can be seen online in the [https://ggis.un-igrac.org/ggis-viewer/viewer/tbamap/public/default '''IGRAC Transboundary aquifers online viewer'''] and a [https://www.un-igrac.org/sites/default/files/resources/files/TBAmap_Africa_2016.pdf '''pdf version of the Africa map'''] can be downloaded.		As part of their work on transboundary aquifers, IGRAC have led the production and publication of a map of Transboundary Aquifers of the World (latest edition 2015), which can be seen in the [https://ggis.un-igrac.org/ggis-viewer/viewer/tbamap/public/default '''IGRAC Transboundary aquifers online viewer''']. Based on this global map, they also produced a map of transboundary aquifers of Africa in 2015, which shows the location and extent of all known transboundary aquifers in Africa; and lists the aquifer names, the countries in which they are found, and the area they cover. The map of Africa is designed to encourage further research and assessment of these important water resources. It can be seen online in the [https://ggis.un-igrac.org/ggis-viewer/viewer/tbamap/public/default '''IGRAC Transboundary aquifers online viewer'''] and a [https://www.un-igrac.org/sites/default/files/resources/files/TBAmap_Africa_2016.pdf '''pdf version of the Africa map'''] can be downloaded.

	===~~Selected~~ Transboundary Aquifer projects===		===IWMI===

			The [https://wle.cgiar.org/content/international-water-management-institute-iwmi International Water Management Institute] (IWMI), a part of [https://wle.cgiar.org/ CGIAR], developed a map and accompanying inventory of the presently known [https://wle.cgiar.org/content/transboundary-aquifer-map-africa '''transboundary aquifers in Africa'''], in 2013. The map is based on several sources of available data and maps, including global maps by IGRAC and WHYMAP. It shows 80 aquifers or aquifer systems, superimposed on 63 international river or lake basins. The inventory accompanying the map very briefly describes the type of each transboundary aquifer, using inconsistent descriptions that include chronostratigraphic, lithological, rock type (sedimentary, igneous etc), consolidation status, and geological formation names (eg Nubian, Karoo). For each aquifer the inventory also lists the countries that share it, its area, the population living on it, the rainfall it receives annually, and the estimated annual recharge according to the WHYMAP Groundwater Resources Map of Africa. The map is available to download as a [https://wle.cgiar.org/content/transboundary-aquifer-map-africa '''pdf file'''], and is described in detail in the report [http://www.iwmi.cgiar.org/Publications/Other/PDF/transboundary_aquifer_mapping_and_management_in_africa.pdf '''Transboundary Aquifer Mapping and Management in Africa'''] (IWMI, 2014).


			===Selected projects on specific transboundary aquifers in Africa===

	====[http://conjunctivecooperation.iwmi.org/ Conjunctive Water Management for Food Security and Resilience]====		====[http://conjunctivecooperation.iwmi.org/ Conjunctive Water Management for Food Security and Resilience]====

Beod: /* IGRAC */

2021-11-16T11:11:36Z

IGRAC

← Older revision		Revision as of 12:11, 16 November 2021
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	As a United Nations Centre, the International Groundwater Resources Assessment Centre (IGRAC) is taking a global lead on assessing and providing information on transboundary aquifers. There are many initiatives looking at various aspects of transboundary groundwater, including global baseline assessments and more detailed regional or aquifer assessments. Further information can be found on the [http://www.un-igrac.org/areas-expertise/transboundary-groundwaters '''Transboundary Groundwaters'''] section of IGRAC's website.		As a United Nations Centre, the International Groundwater Resources Assessment Centre (IGRAC) is taking a global lead on assessing and providing information on transboundary aquifers. There are many initiatives looking at various aspects of transboundary groundwater, including global baseline assessments and more detailed regional or aquifer assessments. Further information can be found on the [http://www.un-igrac.org/areas-expertise/transboundary-groundwaters '''Transboundary Groundwaters'''] section of IGRAC's website.

	As part of their work on transboundary aquifers, IGRAC have led the production and publication of a map of Transboundary Aquifers of the World, which can be seen in the [https://ggis.un-igrac.org/ggis-viewer/viewer/tbamap/public/default '''IGRAC Transboundary aquifers online viewer''']. Based on this global map, they also produced a map of transboundary aquifers of Africa in 2015, which shows the location and extent of all known transboundary aquifers in Africa; and lists the aquifer names, the countries in which they are found, and the area they cover. The map of Africa can be seen online in the [https://ggis.un-igrac.org/ggis-viewer/viewer/tbamap/public/default '''IGRAC Transboundary aquifers online viewer'''] and a [https://www.un-igrac.org/sites/default/files/resources/files/TBAmap_Africa_2016.pdf pdf version of the map] can be downloaded.		As part of their work on transboundary aquifers, IGRAC have led the production and publication of a map of Transboundary Aquifers of the World, which can be seen in the [https://ggis.un-igrac.org/ggis-viewer/viewer/tbamap/public/default '''IGRAC Transboundary aquifers online viewer''']. Based on this global map, they also produced a map of transboundary aquifers of Africa in 2015, which shows the location and extent of all known transboundary aquifers in Africa; and lists the aquifer names, the countries in which they are found, and the area they cover. The map of Africa can be seen online in the [https://ggis.un-igrac.org/ggis-viewer/viewer/tbamap/public/default '''IGRAC Transboundary aquifers online viewer'''] and a [https://www.un-igrac.org/sites/default/files/resources/files/TBAmap_Africa_2016.pdf '''pdf version of the Africa map'''] can be downloaded.


	===Selected Transboundary Aquifer projects===		===Selected Transboundary Aquifer projects===

← Older revision		Revision as of 12:47, 30 January 2023
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	~~==Transboundary Aquifers==~~

	Transboundary aquifers (TBAs) are aquifers that underlie more than one country or political region. Management of TBA resources is therefore dependent on cooperation between countries and it is important that they are well understood to ensure they are exploited in a sustainable way.		Transboundary aquifers (TBAs) are aquifers that underlie more than one country or political region. Management of TBA resources is therefore dependent on cooperation between countries and it is important that they are well understood to ensure they are exploited in a sustainable way.

	===IGRAC===		==[https://www.un-igrac.org/ IGRAC]==

	As a United Nations Centre, the International Groundwater Resources Assessment Centre ~~(IGRAC~~) is ~~taking a~~ global lead on assessing and providing information on transboundary aquifers, as part of the UNESCO International Hydrological Programme (UNESCO-IHP). There are many initiatives looking at various aspects of transboundary groundwater, including global baseline assessments and more detailed regional or aquifer assessments. Further information can be found on the [https://www.un-igrac.org/areas-expertise/transboundary-groundwaters '''Transboundary Groundwaters'''] section of IGRAC's website.		As a United Nations Centre, [https://www.un-igrac.org/ IGRAC] (the International Groundwater Resources Assessment Centre) is the global lead organisation for assessing and providing information on transboundary aquifers, as part of the UNESCO International Hydrological Programme (UNESCO-IHP). There are many initiatives looking at various aspects of transboundary groundwater, including global baseline assessments and more detailed regional or aquifer assessments. Further information can be found on the [https://www.un-igrac.org/areas-expertise/transboundary-groundwaters '''Transboundary Groundwaters'''] section of IGRAC's website.

	As part of their work on transboundary aquifers, IGRAC have led the production and publication of a map of Transboundary Aquifers of the World (latest edition 2015), which can be seen in the [https://ggis.un-igrac.org/ggis-viewer/viewer/tbamap/public/default '''IGRAC Transboundary aquifers online viewer''']. Based on this global map, they also produced a map of transboundary aquifers of Africa in 2015, which shows the location and extent of all known transboundary aquifers in Africa; and lists the aquifer names, the countries in which they are found, and the area they cover. The map of Africa is designed to encourage further research and assessment of these important water resources. It can be seen online in the [https://ggis.un-igrac.org/ggis-viewer/viewer/tbamap/public/default '''IGRAC Transboundary aquifers online viewer'''] and a [https://www.un-igrac.org/sites/default/files/resources/files/TBAmap_Africa_2016.pdf '''pdf version of the Africa map'''] can be downloaded.		As part of their work on transboundary aquifers, IGRAC have led the production and publication of a map of Transboundary Aquifers of the World (latest edition 2015), which can be seen in the [https://ggis.un-igrac.org/ggis-viewer/viewer/tbamap/public/default '''IGRAC Transboundary aquifers online viewer''']. Based on this global map, they also produced a map of transboundary aquifers of Africa in 2015, which shows the location and extent of all known transboundary aquifers in Africa; and lists the aquifer names, the countries in which they are found, and the area they cover. The map of Africa is designed to encourage further research and assessment of these important water resources. It can be seen online in the [https://ggis.un-igrac.org/ggis-viewer/viewer/tbamap/public/default '''IGRAC Transboundary aquifers online viewer'''] and a [https://www.un-igrac.org/sites/default/files/resources/files/TBAmap_Africa_2016.pdf '''pdf version of the Africa map'''] can be downloaded.

	===IWMI===		==IWMI==

	The [https://wle.cgiar.org/content/international-water-management-institute-iwmi International Water Management Institute] (IWMI), a part of [https://wle.cgiar.org/ CGIAR], developed a map and accompanying inventory of the presently known [https://wle.cgiar.org/content/transboundary-aquifer-map-africa '''transboundary aquifers in Africa'''], in 2013. The map is based on several sources of available data and maps, including global maps by IGRAC and WHYMAP. It shows 80 aquifers or aquifer systems, superimposed on 63 international river or lake basins. The inventory accompanying the map very briefly describes the type of each transboundary aquifer, using inconsistent descriptions that include chronostratigraphic, lithological, rock type (sedimentary, igneous etc), consolidation status, and geological formation names (eg Nubian, Karoo). For each aquifer the inventory also lists the countries that share it, its area, the population living on it, the rainfall it receives annually, and the estimated annual recharge according to the WHYMAP Groundwater Resources Map of Africa. The map is available to download as a [https://wle.cgiar.org/content/transboundary-aquifer-map-africa '''pdf file'''], and is described in detail in the report [https://www.iwmi.cgiar.org/Publications/Other/PDF/transboundary_aquifer_mapping_and_management_in_africa.pdf '''Transboundary Aquifer Mapping and Management in Africa'''] (IWMI, 2014).		The [https://wle.cgiar.org/content/international-water-management-institute-iwmi International Water Management Institute] (IWMI), a part of [https://wle.cgiar.org/ CGIAR], developed a map and accompanying inventory of the presently known [https://wle.cgiar.org/content/transboundary-aquifer-map-africa '''transboundary aquifers in Africa'''], in 2013. The map is based on several sources of available data and maps, including global maps by IGRAC and WHYMAP. It shows 80 aquifers or aquifer systems, superimposed on 63 international river or lake basins. The inventory accompanying the map very briefly describes the type of each transboundary aquifer, using inconsistent descriptions that include chronostratigraphic, lithological, rock type (sedimentary, igneous etc), consolidation status, and geological formation names (eg Nubian, Karoo). For each aquifer the inventory also lists the countries that share it, its area, the population living on it, the rainfall it receives annually, and the estimated annual recharge according to the WHYMAP Groundwater Resources Map of Africa. The map is available to download as a [https://wle.cgiar.org/content/transboundary-aquifer-map-africa '''pdf file'''], and is described in detail in the report [https://www.iwmi.cgiar.org/Publications/Other/PDF/transboundary_aquifer_mapping_and_management_in_africa.pdf '''Transboundary Aquifer Mapping and Management in Africa'''] (IWMI, 2014).


	===Selected projects on specific transboundary aquifers in Africa===		==Selected projects on specific transboundary aquifers in Africa==

	====[https://conjunctivecooperation.iwmi.org/ Conjunctive Water Management for Food Security and Resilience]====		===[https://conjunctivecooperation.iwmi.org/ Conjunctive Water Management for Food Security and Resilience]===

	This overall project is a knowledge sharing platform by [https://www.iwmi.cgiar.org/ IWMI], which seeks to capture and disseminate highlights of the increasing knowledge base emerging from work on transboundary river-aquifer systems in the SADC region. Most focus is on three aquifer systems:		This overall project is a knowledge sharing platform by [https://www.iwmi.cgiar.org/ IWMI], which seeks to capture and disseminate highlights of the increasing knowledge base emerging from work on transboundary river-aquifer systems in the SADC region. Most focus is on three aquifer systems:
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	* The [https://conjunctivecooperation.iwmi.org/tuli-karoo-upper-limpopo-system/ '''Tuli Karoo-Upper Limpopo System'''].		* The [https://conjunctivecooperation.iwmi.org/tuli-karoo-upper-limpopo-system/ '''Tuli Karoo-Upper Limpopo System'''].

	====[https://www.deutscher-rohstoffeffizienz-preis.de/EN/Themen/Wasser/Projekte/laufend/TZ/Niger/abn_fb_en.html?nn=1546392 Niger Basin: Support in Groundwater Management to the Niger Basin Authority]====		===[https://www.deutscher-rohstoffeffizienz-preis.de/EN/Themen/Wasser/Projekte/laufend/TZ/Niger/abn_fb_en.html?nn=1546392 Niger Basin: Support in Groundwater Management to the Niger Basin Authority]===

	This project, which finishes in 2022, is operated by BGR as part of the ''Integrated Water Resources Management ABN'' program of the German Development Cooperation, in partnership with the [https://www.abn.ne/ Niger Basin Authority]. The project aims to implement measures for groundwater protection and sustainable use of groundwater in the Niger Basin Authority's IWRM (integrated water resources management) programme. Project activities include:		This project, which finishes in 2022, is operated by BGR as part of the ''Integrated Water Resources Management ABN'' program of the German Development Cooperation, in partnership with the [https://www.abn.ne/ Niger Basin Authority]. The project aims to implement measures for groundwater protection and sustainable use of groundwater in the Niger Basin Authority's IWRM (integrated water resources management) programme. Project activities include:
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	More information, and the download of project reports, maps and other outputs, is on the [https://www.deutscher-rohstoffeffizienz-preis.de/EN/Themen/Wasser/Projekte/laufend/TZ/Niger/abn_fb_en.html?nn=1546392 '''project website'''].		More information, and the download of project reports, maps and other outputs, is on the [https://www.deutscher-rohstoffeffizienz-preis.de/EN/Themen/Wasser/Projekte/laufend/TZ/Niger/abn_fb_en.html?nn=1546392 '''project website'''].

	====[https://www.deutscher-rohstoffeffizienz-preis.de/EN/Themen/Wasser/Projekte/laufend/TZ/Tschad/tschad-II_fb_en.html?nn=1546392 Lake Chad Basin: Groundwater Management]====		===[https://www.deutscher-rohstoffeffizienz-preis.de/EN/Themen/Wasser/Projekte/laufend/TZ/Tschad/tschad-II_fb_en.html?nn=1546392 Lake Chad Basin: Groundwater Management]===

	This project, which finishes in 2022, is a joint project between BGR and the Lake Chad Basin Commission, and is the second phase of an initial project [https://www.deutscher-rohstoffeffizienz-preis.de/EN/Themen/Wasser/Projekte/abgeschlossen/TZ/Tschad/tschad-I_fb_en.html?nn=1546392 '''Sustainable Water Management of Lake Chad Basin'''], which finished in 2011. This second phase has concentrated on the interaction between surface water and groundwater in the inundation plain of the Logone River, which extends from the Lake Chad in the north to the Mandara Mountains in the south of Cameroon.		This project, which finishes in 2022, is a joint project between BGR and the Lake Chad Basin Commission, and is the second phase of an initial project [https://www.deutscher-rohstoffeffizienz-preis.de/EN/Themen/Wasser/Projekte/abgeschlossen/TZ/Tschad/tschad-I_fb_en.html?nn=1546392 '''Sustainable Water Management of Lake Chad Basin'''], which finished in 2011. This second phase has concentrated on the interaction between surface water and groundwater in the inundation plain of the Logone River, which extends from the Lake Chad in the north to the Mandara Mountains in the south of Cameroon.
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	More information, and the download of project reports, maps and other outputs, is on the [https://www.deutscher-rohstoffeffizienz-preis.de/EN/Themen/Wasser/Projekte/laufend/TZ/Tschad/tschad-II_fb_en.html?nn=1546392 '''project website'''].		More information, and the download of project reports, maps and other outputs, is on the [https://www.deutscher-rohstoffeffizienz-preis.de/EN/Themen/Wasser/Projekte/laufend/TZ/Tschad/tschad-II_fb_en.html?nn=1546392 '''project website'''].

	===Selected other publications===		==Selected other publications==

	Scheumann W and Herrfahrdt-Pähle E (Eds.) 2008. [https://www.die-gdi.de/uploads/media/Studie_32.pdf Conceptualizing cooperation on Africa’s transboundary groundwater resources]. German Development Institute (DIE), Bonn.		Scheumann W and Herrfahrdt-Pähle E (Eds.) 2008. [https://www.die-gdi.de/uploads/media/Studie_32.pdf Conceptualizing cooperation on Africa’s transboundary groundwater resources]. German Development Institute (DIE), Bonn.