Water availability and droughts

Total water impact

For the assessment of this impact, the following indicators are used:
Total water impact: The assessment of overall water impact is based on the following water indicators, while the social vulnerability index is also taken into account in order to reflect the social aspect as well.
Water Exploitation Index: This index relates water availability and water use and compares annual water withdrawal/demand from ground and surface waters to the total renewable freshwater resources.
Standardized Precipitation Evapotranspiration Index (SPEI): This index uses precipitation and potential evapotranspiration to calculate the impact of drought on the availability of water resources.
Drought risk: This indicator reflects drought risk based on the SPEI results with respect to drought intensity and frequency.

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