Archive for September, 2012

Fish getting smaller as the oceans warm

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Changes in ocean and climate systems could lead to smaller fish, according to a new study....

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Marine plants can flee to avoid predators: First observation of predator avoidance behavior by phytoplankton

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Scientists have made the first observation of a predator avoidance behavior by a species of phytoplankton, a microscopic marine plant. The scientists made the unexpected observation while studying the interactions between phytoplankton and zooplankton....

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Time bomb: Military ordnance in Gulf of Mexico poses threat to shipping, says expert

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Millions of pounds of unexploded bombs and other military ordnance that were dumped decades ago in the Gulf of Mexico, as well as off the coasts of both the Atlantic and Pacific oceans, could now pose serious threats to shipping lanes and the 4,000 oil and gas rigs in the Gulf, warns oceanographers....

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White shark diets show surprising variability, vary with age and among individuals

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White sharks, the largest predatory sharks in the ocean, are thought of as apex predators that feed primarily on seals and sea lions. But a new study shows surprising variability in the dietary preferences of individual sharks....

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Venice Lagoon research indicates rapid climate change in coastal regions

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New research has revealed that the sea surface temperature in coastal regions is rising as much as ten times faster than the global average of 0.13 degrees per decade....

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New clues about ancient water cycles shed light on U.S. deserts

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The deserts of Utah and Nevada have not always been dry. Now a researcher has found a new water cycle connection between the U.S. southwest and the tropics, and understanding the processes that have brought precipitation to the western US will help scientists better understand how the water cycle might be perturbed in the future....

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What is the difference between a hurricane watch and a warning?

This item was filled under Basics, Facts, Ocean Observations
Hurricane warnings indicate that hurricane conditions (sustained winds of 74 mph or higher) are expected somewhere within the specified area.

A hurricane watch means that hurricane conditions (sustained winds of 74 mph or higher) are possible within the specified area.

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NOAA’s U.S. Coast Pilot Fosters Safe Navigation, Economic Stimulation [What's New]

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Safe, efficient maritime commerce is critically important to the President’s National Export Initiative, which seeks to stimulate economic growth by ensuring that U.S. businesses can increase their exports of goods, services, and agricultural products.

This week, NOAA launches weekly online updates of the U.S. Coast Pilot, which mariners have relied upon since the first American Coast Pilot was published in 1796! The free PDF updates will be published on the U.S. Coast Survey website every Tuesday.



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Extreme climate change linked to early animal evolution

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An international team of scientists has uncovered new evidence linking extreme climate change, oxygen rise, and early animal evolution....

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Researchers discover what vampire squids eat: It’s not what you think

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Over the last 100 years, perhaps a dozen scientific papers have been published on the mysterious vampire squid, but no one has been able to figure out exactly what it eats. A new article shows for the first time that the vampire squid uses two thread-like filaments to capture bits of organic debris that sink down from the ocean surface into the deep sea....

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