System analyses (geohydrology) to identify probable causes for the drought problem of the Kanunnikensven and Rietven  located in Eindhoven (Netherlands) - historical analysis of changes in the watershed, groundwater information analysis, soil composition, vegetation, elevation data, correlation stablishment and influence of the drainage of the sewage system in the aquifer.

General system analysis (groundwater and surface water) . Evaluation of nature management and measures to maintain them based on the required groundwater level during the different seasons. Example of proposed measures Are lessening  drainage and diverting a watercourse to achieve these groundwater levels.

Different flood risks within the area of Waterboard Limburg. Description of the surface water system and validation of the model (SOBEK 1D/2D/RR). Innundation analysis consideres different scenarios for mitigating flood risks.

Conversion of the arable land and agricultural field of the Hemel into humid forest. H2Opinion performed an analysis of the ground- and surfacewater system in the area of the hemel with proposal for measures for nature development.