Summary
The HYPST-R tool was developed in support of a study aiming to provide information for groundwater resource managers about the uncertainties relating to estimators of the chemical condition of the groundwater bodies they calculate.

Using a method based on generating virtual time series, the study simulated the uncertainties involved in calculating mean annual average values (MMA) and in the frequency at which the threshold value (FD) is exceeded, depending on the parameters characterising the time series (type of chemical element, hydrodynamic function and monitoring carried out). 

The HYPST-R interface was developed to make it easier to consult the results produced during the study. With this interface, the operator can: 

  • easily display and analyse all simulated uncertainties for both metrics studied (MMA and FD); 
  • export the selected results in the form of datasheets or graphs; 
  • generate virtual time series by setting the change parameters. 
HYPST-R screenshots 

Aperçus d’écran de HYPST-R. 

A gauche :calcul d’incertitudes simulées sur le calcul de la moyenne des moyennes annuelles pour des chroniques monotones (non cycliques) en fonction de la fréquence d’échantillonnage (abscisses des graphiques), la longueur de la chronique (colonnes), l’incertitude analytique des résultats d’analyse (lignes) et la régularité des prélèvements (couleurs). A droite : génération d’une chronique virtuelle, étant donné une évolution à un cycle pluri-annuel de période 10 ans et d’amplitude 0.5, étant donné une incertitude analytique de 10% et pour un suivi de 12 ans avec 4 mesures par an selon un calendrier régulier. ​​​

© BRGM

Practical information 

  • Language(s): French 
  • Operating system: Windows (XP, 7) 
Foam of a Himalayan torrent, Lang Tang

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