Metadata

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 Proportion of surface waters (%)
Characteristic Description
Name Proportion of surface waters (%) by Geographic localization (NUTS - 2002) and Quality classes; Annual
Regularity Annual
Source Instituto da Água, National Information System for Water Ressources
First available period 2004
Last available period 2009
Dimensions
  • Data reference period
  • Geographic localization (NUTS - 2002)
  • Quality classes
Concepts
  • REFERENCE PERIOD:  Period to which the information refers and which may be a specific day or a time interval (month, fiscal year, calendar year, among others).
Formule Surface water of a certain quality class/Total of surface water
Measure unit (symbol) Percentage (%)
Power of 10  0
Observations
Last update date 16/11/2012


information presented in 23/11/2024