How do cruise ships avoid hitting whales?

It uses data from its specialized high-tech buoys, satellites and entries on a whale-watching app to predict the presence of whales in shipping lanes — warning the companies in near-real time so they can voluntarily slow down to 10 knots, a speed set by a federal agency shown to significantly reduce the risk of fatal ...



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Whale struck by bow of a large vessel. PHILIPSBURG--Data of a study carried out by international sustainability programme Friend of the Sea shows that approximately 20.000 whales are killed every year due to collisions with vessels.

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Collisions with vessels can be fatal. When a whale or sea turtle is hit by a ship or another vessel, these gentle creatures are likely to die or suffer a horrific injury. Ship collisions have been identified as a significant human cause of baleen whales (mysticete) mortality [1].

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Frequently they do avoid vessels, except silent ones. The ocean is a noisy place. Whales seem to 'tune out' repetitive background noise like the drone of an approaching vessel. Whales sometimes seem to have difficulty locating an approaching ship.

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To fully immerse yourself in the Alaska whale watching season, set sail on your Alaska cruise between early May to early June for the best chances to watch orcas, who like to hang out near Juneau, Ketchikan, and Seward.

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78 pilot whales were killed in front of cruise ship docked in the Faroe Islands Passengers of the Ambassador Cruise Line had just arrived in the Faroe Islands when a group of small boats drove the whales to shallow water for killing, part of a long-standing local tradition.

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A whale could not tip over a cruise ship. Although even the largest of blue whales can weigh up to 200 tonnes, the largest cruise ships can weigh up to 220,000 or more. Some cruise ships would carry ten times more freshwater or fuel than the weight of even the largest whales.

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U.S. law requires cruise ships to treat waste within about 3.5 miles of shore—but beyond that, there are no restrictions on dumping polluted sewage and graywater. Researchers have estimated that over a billion gallons of sludge made from excrement and food scraps are released into the ocean every year by cruise lines.

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When it comes to balance, cruise ships contain ballast tanks. They have water that can be pumped to either side of the ship. In emergencies, they help keep ships balanced, reduce rocking effects, and counter large waves. Larger vessels will contain several ballast tanks.

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At any time during the cruise season you'll certainly see some of Alaska's most amazing animal inhabitants, including whales, dolphins, bears and bald eagles. However, many migratory species are sighted more often during certain times.

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