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,
Back to the Sea aquarium of a popular Chinese restaurant. It seems that his fate is decided, but suddenly a small boy comes to the aid to Kevin. This film was released in theaters in Canada in 3D and regular "2D" formats on January 27, 2012. It got a limited release in the United States on November 16, 2012, distributed by Viva Pictures. The film's score is composed by Gordon McGhie. This film features the popular song "What a Wonderful World" from Louis Armstrong. Back to the Sea Back to the Sea is a Chinese-American 3D traditional animated family comedy film. It was released