drainage with concrete walls, water valve gate and metal bars, control system for high water levels due to climate change

agriculture aqueduct architecture basin buffers canal change climate closed concept country countryside deposit downspout drain drainage dutch ecology environment europe exterior farmland field flow ground hole holland hydrologic land level meadow nature outdoor park pipe reserve retain retention rock rural sewer stone stream subirrigation valve water weir weirs woods concrete walls gate metal bars control system high levels borgharen maasvallei south limburg netherlands