Ocean power in New Zealand speed. Because the tidal speed doubles, eight times more tidal power can be produced at spring tides than at neap tides. The entrance to Kaipara Harbour, one of the largest harbours in the world, is a channel to the Tasman Sea. It narrows to a width of , and is over deep in parts. On average, Kaipara tides rise and fall . At high tide, nearly 1000 square kilometres are flooded. Spring tidal flows reach 9 km/h (5 knots) in the entrance channel and move 1,990 million cubic metres per tidal movement or 7,960 million cubic meters daily. In 2011,
Release the Prisoners to Spring in the film are the car chase with Järegård, the musical show number in the cell performed by Jan Malmsjö and the show number carried out simultaneously in the exercise yard by Järegård, Malmsjö and Urban Sahlin; and practically every scene with Ekman as the wacky prison governor. The film was meant to comment on the criminal system and view of criminals in society (both in Sweden and worldwide). Release the Prisoners to Spring Release the Prisoners to Spring () is a 1975 Swedish comedy film directed by Tage Danielsson. At the 12th Guldbagge Awards the film won the awards