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 Old Man and the Sea marlin in "On the Blue Water: A Gulf Stream Letter" ("Esquire", April 1936). Joseph Waldmeir's essay ""Confiteor Hominem": Ernest Hemingway's Religion of Man" is a favorable critical reading of the novel—and one which has defined analytical considerations since. Perhaps the most memorable claim is Waldmeir's answer to the question—What is the book's message? The answer assumes a third level on which "The Old Man and the Sea" must be read—as a sort of allegorical commentary on all his previous work, by means of which it may be established that the religious overtones of "The Old Man and the Sea" are