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,
The Year of Spring The Year of Spring The Year of Spring: "The Travel What Lasts a Year" () is a book written by Vyacheslav Vasilyevich Krasko, Russian traveler and member of the Union of the Russian Around-the-World Travelers, based on his yearlong journey around the world. In the book he shares thoughts, emotions, and impressions from the trip. Critics are unable to place A Year of Spring into a particular genre. It is part novel, autobiography, travel guide book, and handbook of regional geography. Exotic landscapes descriptions, dialogues with locals and good memories all have their place this travel story. Krasko started writing