inflowing water from the north sea into speicherbechen, germany

sea coast horizon shore vacation bay water waterway reflection sky river reservoir boardwalk dock inlet north speicherbecken beltringharderkoog germany serves vital hydraulic structure regulating flow seawater man-made plays crucial role coastal protection flood management maintaining delicate balance levels surrounding marshlands ensures area safeguarded storm surges supporting environmental region inflowing speicherbechen reservoir marshlands region tides ebb protection construction engineering manage