wPRISMA is an interactive web map application that provides information about water quality of surface water bodies in order to identify areas or water bodies that experience significant pressures from diffuse and point sources of pollution.
wPRISMA is based on a 1-dimensional steady state water quality model for the simulation of the fate of selected heavy metals & plant protection products in inland waters.
The data provided on wPRISMA demo site is for informational purposes only.
Absolutely no accuracy or completeness guarantee is implied or intended. All information on this mapping application is subject to variations and corrections.
Stations data courtesy of EMVIS
Shapefiles courtesy of the Greek Open GeoData Project
Map Legend goes here...
Determine the area of interest by selecting one or more River Basin Districts, River Basins or Water bodies. The model will identify and simulate the fate of pollutants at all the upstream water bodies of the selected area of interest.
There are four options for visualizing the simulation results:
This option produces a map with concentrations of the selected parameter in each river segment for the desired hydrological year and period. Graphs with the temporal variation of the concentrations are available by clicking on a river segment (not available when the simulation period is a single month).
Similar to option 1 but in this case the concentrations in each river segment are expressed as a percentage of the Environmental Quality Standard (EQS). This option is not available for parameters that do not have an EQS (e.g. discharge).
This map visualizes the propability that the pollutant's concentration in a river segment will exceed the EQS. This is achieved by simulating multiple hydrological years and statistical processing of the results. By clicking on a river segment a graph with the cummulative probability of the pollutant's concentration appears on the right pane.
In this type of simulation the user must select a single water body. The map visualizes the contribution of the upstream river segments in the pollutant's concentration at the selected water body.