Mean annual groundwater recharge depth in transboundary aquifers

Title
Mean annual groundwater recharge depth in transboundary aquifers
+ The original author did not specify a license.

Abstract

Mean annual groundwater recharge depth is calculating by dividing the long-term mean groundwater recharge, including man-made components (returnflows, induced recharge, artificial recharge), by surface area of the whole aquifer. Indicator is expressed as mm/yr.

For more information, visit the Transboundary Water Assessment Programme Portal on groundwater: https://ggis.un-igrac.org/ggis-viewer/viewer/twap/public/default

Pubblication Date
Type
Vector Data
Keywords
Groundwater , Recharge , Transboundary
Category
Groundwater
Groundwater is the water present beneath Earth's surface in soil pore spaces and in the fractures of rock formations. It represents 98% of the world’s unfrozen freshwater.
Regions
Global
Responsible
Group
Theme 2: Groundwater
Maintenance Frequency
Data Is Updated As Deemed Necessary
Restrictions
Unless otherwise specified, no restriction applies.
Edition
UNESCO-IGRAC (2016). TWAP viewer [https://ggis.un-igrac.org/ggis-viewer/viewer/twap/public/default]
Language
English
Data Quality
/
Supplemental Information

Information was collected within the framework of the Transboundary Waters Assessment Programme (TWAP), initiated by the Global Environment Facility (GEF), aimed at creating the first baseline assessment of all the planet’s transboundary water resources.

Layer WMS GetCapabilities document

Attribute Name Label Description
OBJECTID ID number
CODE Code
NAME Name
TYPE Type Aquifer or Groundwater body (EU Water Framework Directive)
COUNTRIES Countries sharing the aquifer
AREA Surface area
GA0_0 Data intensity Amount of indicators available
GA1_1 Mean annual groundwater recharge depth [mm/yr]
GA1_2 Annual amount of renewable groundwater resources per capita [m3/yr/capita]
GA1_3 Natural background groundwater quality [%]
GA1_4 Aquifer buffering capacity [yr]
GA1_5 Aquifer vulnerability to climate change
GA1_6 Aquifer vulnerability to pollution [%]
GA2_1 Human dependency on groundwater [%]
GA2_2 Human dependency on groundwater for domestic water supply [%]
GA2_3 Human dependency on groundwater for agricultural water supply [%]
GA2_4 Human dependency on groundwater for industrial water supply [%]
GA2_5 Ecosystem dependency on groundwater [%]
GA2_6 Prevalence of springs [%]
GA3_1 Groundwater depletion [mm/yr]
GA3_2 Groundwater pollution [%]
GA4_1 Population density [capita/km²]
GA4_2 Groundwater development stress (including artificial recharge) [%]
GA5_1 Transboundary legal framework
GA5_2 Transboundary institutional framework
GA6_1 Control of groundwater abstraction
GA6_2 Groundwater quality protection

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