Summary: In Cortenoever project based on Natura 2000, the importance of groundwater data in regards of monitoring and flood preventions has been indicating. Royal Eijkelkamp can offer a well-rounded solution for water quality monitoring.
‘The province of Gelderland is responsible for the management and creation of new nature areas and the strengthening of existing nature, based on the Gelderland Nature Network and Natura 2000. For the most part, Cortenoever is already a very beautiful nature conservation area. The purpose of this project is therefore to extend this nature network. Among other things, we will lower the floodplains by deepening the original winding channels. This will allow more water to enter the floodplains. The flower-rich grassland will also be expanded.’
‘We were really lacking important groundwater information to arrive at a concrete plan.’ Kees Buddingh - Eco-hydrologist
‘We are achieving the objectives established for the Cortenoever project based on Natura 2000, the Gelderland Nature Network (GNN), and the Water Framework Directive (WFD). One of the objectives is the development of a certain type of water that is suitable for the growth of plants, but also for the growth and living conditions of fish. It is also important that we start retaining water in this area. This mainly concerns the lower parts of the area. After a high tide situation during the spring, the ideal situation would be to retain that water so a large area is always covered with a shallow layer of water. Grassland that was flooded in the spring is a perfect spawning and juvenile habitat for certain fish species.’
Groundwater monitoring network
‘We were really lacking important groundwater information to arrive at a concrete plan. We know the water levels of the river, but the effects of these water levels on the channels we want to dredge and the extent of the fluctuation in the channels were unknown to us. In order to map these data, I asked Eijkelkamp Soil & Water to install a groundwater monitoring network. With this groundwater monitoring network, we will monitor the river’s response for two years.’
‘We have installed a monitoring well equipped with a Diver water level logger at three different locations. This will provide us with a clear picture of the interaction between groundwater, river water levels, and excess precipitation at various locations. And that will serve as the basis for the dredging of the channels. This monitoring network will allow us to determine how deep we need to dredge, how we can ensure that certain parts do not dry out and what the average water level is.’
It is all about data
‘Nowadays, it is all about data. In addition to the groundwater sensor, each monitoring well is equipped with a modem that sends the data to an online portal where I can easily access it. The beauty thereof is that there is no need to visit the different locations every time, because the sensor and the modem register everything.’
The province as an organisation
It is the task of the province to ensure that everything runs as smoothly as possible in the Province of Gelderland. This is done by the Provincial Executive, the Administrative Board, together with some 1,200 employees. The provincial organisation consists of a number of departments and programmes. The employees support and advise the Provincial Executive in the implementation of the coalition agreement ‘Ruimte voor Gelderland’ (Room for Gelderland) and implement the policy adopted by the Provincial Executive aimed at the province’s seven core tasks of supporting:
Sustainable spatial development and water management
The environment, energy, and climate
Vital rural areas
Accessibility and public transport
The Economy
Cultural infrastructure and cultural heritage
The quality of public administration
Picture: monitoring well of Royal Eijkelkamp
Introduction of Eijkelkamp
"Personal attention and unique range of solutions", for 100 years, there are the their trademark at Royal Eijkelkamp. Royal Eijkelkamp has been devising, developing, producing and delivering smart solutions for soil and water projects worldwide since 1911 Royal Eijkelkamp has quite a range on offer for: Soil and Sediment sampling, Water sampling and monitoring, environmental equipment, Sonic drilling rigs and tooling, Cone penetration test unit and tooling, Royal Eijkelkamp consists of the companies, Eijkelkamp Soil & Water, Eijkelkamp SonicSampdrill, Eijkelkamp Geopoint SoilSolutions and Eijkelkamp Academy and Eijkelkamp foundation.
Article link: Royal Eijkelkamp