Category: Oceanography
18 November 1997
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ScienceNOW(Science - AAAS)
Dramatic Ozone Loss Over North Pole
Arctic ozone levels fell to a record low in March, 21% below the springtime average of previous years, scientists report in a suite of papers in the current issue of...
4 November 1997
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ScienceNOW(Science - AAAS)
Tough Love for Baby Penguins
If you think your parents ever gave you the runaround, pity the baby Adelie penguins. Before a chick can chow on regurgitated krill, it must pursue its parents for up...
3 November 1997
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ScienceNOW(Science - AAAS)
The Eye of the Cyclone
Yesterday was the centenary of the birth of Jacob Bjerknes, a Norwegian meteorologist who paved the way for weather forecasting. Bjerknes is known for explaining how cyclones cross the ocean,...
3 November 1997
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ScienceNOW(Science - AAAS)
El Niño May Take Wind Out of Global Warming Sails
El Niño, the periodic warming of the Eastern Pacific, took the rap for two nasty weather events last month: the hurricane that swept Acapulco and the blizzard that dumped up...
31 October 1997
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ScienceNOW(Science - AAAS)
Clearer Picture of How Pollutants Fuel Smog
Tiny airborne pollutants that scatter sunlight may play a major role in creating smog. The finding, reported in today's issue of Science, could help researchers develop a better understanding of...
20 October 1997
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ScienceNOW(Science - AAAS)
Ocean Magnate
Yesterday was the 80th birthday of Walter Munk, a geophysicist whose work has led to a better understanding of ocean currents, circulation, and tides. During World War II, Munk and...
15 October 1997
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ScienceNOW(Science - AAAS)
Another Knob for Climate Models?
The rain in Spain--and everywhere else--may have had a significant impact on ancient global warming spells, according to a study published in this month's issue of Geology. In a computer...
26 September 1997
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ScienceNOW(Science - AAAS)
His Research Ran Deep
Tomorrow would have been the 77th birthday of Henry Stommel, an American oceanographer who studied the Gulf Stream and other ocean currents. Stommel applied simple mathematical models to the study...
26 September 1997
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ScienceNOW(Science - AAAS)
Ocean Floor Laid Bare in New Map
A team of geophysicists has produced the most detailed three-dimensional map of the ocean floor so far by using ship soundings to correct new and recently declassified satellite data. The...
3 September 1997
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ScienceNOW(Science - AAAS)
Antarctic Whaling Tracks Icy Retreat
The fringe of frozen sea surrounding Antarctica may have shrunk by as much as 25% between the mid-1950s and the early 1970s, according to a new study. The findings are...
28 August 1997
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ScienceNOW(Science - AAAS)
Ozone Pioneer
Today is the birthday of Robert Strutt, an English physicist born in 1875 who discovered Earth's ozone layer. In 1916, Strutt and his colleague Alfred Fowler confirmed the existence of...
21 August 1997
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ScienceNOW(Science - AAAS)
Navy To Disclose Arctic Seafloor Records
WASHINGTON, D.C.--Depth charts of the Arctic Ocean, once the prowling grounds of nuclear submarines, will soon be declassified and in the hands of scientists. At a press conference held by...
15 August 1997
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ScienceNOW(Science - AAAS)
Are Small Comets Dampening the Atmosphere?
The controversial theory that fluffy, house-size comets are pummeling the outer reaches of the atmosphere enjoyed a boost last week when a satellite instrument detected signs of as much as...
1 August 1997
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ScienceNOW(Science - AAAS)
How Green Is Thy Ocean?
A satellite that should give scientists the big picture of plant life in the oceans was launched this afternoon from an L-1011 jet flying at 10 kilometers over the Pacific...
31 July 1997
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ScienceNOW(Science - AAAS)
An Icy Paradox
The thundering collapse of ice from towering glaciers off the Antarctic Peninsula highlights their vulnerability to the warming trend there in recent decades. Does this presage the ultimate fate of...
30 July 1997
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ScienceNOW(Science - AAAS)
Seeing the Sea Floor
Today is the 77th birthday of Marie Tharp, an oceanographic cartographer whose maps of the world's sea floors helped shape a new view of Earth--plate tectonics--in which crustal plates constantly...
21 July 1997
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ScienceNOW(Science - AAAS)
Wetter Polar Winds
A NASA satellite has recorded a surprisingly large flow of water out of Earth's atmosphere. The results, reported in the current issue of Science,* should shed light on the forces...
30 June 1997
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ScienceNOW(Science - AAAS)
Making Supernovas Look Like Mere Firecrackers
Titanic explosions that dwarf even the brightest supernovas, one scientist says, may account for mysterious gamma-ray bursts that flash once a day or so from random directions in the sky....
25 June 1997
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ScienceNOW(Science - AAAS)
Pioneering Ocean Explorer Dies
Jacques-Yves Cousteau, ocean explorer, television personality, and co-inventor of the Aqua-Lung, died early today in Paris after a long illness. He was 87. Cousteau hosted the TV series The Undersea...
18 June 1997
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ScienceNOW(Science - AAAS)
El Niño Comes Roaring Back
It's official--El Niño is back in the tropical Pacific, and it's big. It's so big so early in the year that "we think this is shaping up into an extraordinary...
6 June 1997
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ScienceNOW(Science - AAAS)
Soot and Death
Scientists have linked two key air pollutants with increased death rates in 12 European cities. The findings, published in tomorrow's issue of the British Medical Journal, are sure to fuel...
27 May 1997
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ScienceNOW(Science - AAAS)
Carbon Clouds Greenhouse-Warming Picture
Researchers have long thought that pollution high in the atmosphere may be putting the brakes on global warming by reflecting sunlight back into space. But new measurements presented this week...
23 May 1997
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ScienceNOW(Science - AAAS)
New Way to Hit the Pacific Hot Spots
The blue waters of the Pacific hide a profusion of submerged mountains, the residue of more than 10,000 undersea volcanoes. Geophysicists have long thought that these are the products of...
8 May 1997
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ScienceNOW(Science - AAAS)
Coral Tumbleweeds
Corals by nature are stoic creatures, huddling together in their stony reefs to resist the ocean's currents and turbulence. But scientists now have found that when the sea gets too...
16 April 1997
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ScienceNOW(Science - AAAS)
More Plants in Greenhouse Earth
Earth is not only getting warmer; it's getting greener as well, says a group of U.S. researchers in tomorrow's issue of Nature. Their analysis of satellite data shows that there...
14 April 1997
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ScienceNOW(Science - AAAS)
Preventing Frozen Fish
Fish living in waters near the North and South Poles separately evolved nearly identical antifreeze proteins to keep their blood and organs from freezing. Moreover, the Antarctic species apparently acquired...
11 April 1997
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ScienceNOW(Science - AAAS)
Northern Light Show Down Low
New Englanders who suffered through a spring blizzard last week came in for an equally rare, but far more delightful, treat last night: the aurora borealis. The spectacular show was...
10 April 1997
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ScienceNOW(Science - AAAS)
Just in From the Storm Desk ...
A cloud of charged particles ejected by the sun smashed into Earth's upper atmosphere this afternoon, several hours later than predicted. The mild magnetic storm doesn't appear to have harmed...
10 April 1997
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ScienceNOW(Science - AAAS)
Underwater Volcanoes: The Cradle of Life?
Researchers have long considered the ancient oceans, gently sloshing and full of nutrients, to be a likely birthplace of the first cells. Now it seems that life could have emerged...
3 April 1997
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ScienceNOW(Science - AAAS)
The Nitty-Gritty Details of Air Pollution
Hoping to clear up one of the murky mysteries of dirty urban air, scientists have devised a mathematical model to predict how hydrocarbons from gasoline are transformed into tiny, and...
12 March 1997
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ScienceNOW(Science - AAAS)
Panel Makes Case for New South Pole Station
WASHINGTON--An expert panel recommended today that the National Science Foundation (NSF) go ahead with its plan to build an ambitious new research station at the South Pole. But with an...
11 March 1997
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ScienceNOW(Science - AAAS)
A Plankton's Penchant for Poisoning
CINCINNATI--In 1989, a researcher at North Carolina State University was studying a newly discovered one-celled marine organism when he developed persistent confusion and memory loss. Other scientists in the lab...
28 February 1997
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ScienceNOW(Science - AAAS)
Did 10,000-Year Belch Fuel American Life?
Paleontologists searching for an explanation for why modern mammals suddenly appeared in North America 55 million years ago had never thought to probe the deep sea. But according to a...
21 February 1997
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ScienceNOW(Science - AAAS)
Fish Harmed by Ozone Hole?
The ozone hole over Antarctica has been implicated for the first time in harm to animal life. A provocative report in the current issue of the Proceedings of the National...
13 February 1997
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ScienceNOW(Science - AAAS)
An Ocean Cooler for Greenhouse Warming?
Climate experts declared last year that they have strong evidence that human activities have warmed Earth's climate by half a degree over the past century. But computer models predict that...
22 January 1997
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ScienceNOW(Science - AAAS)
Magnetic Storm Cloud Tracked From Start to Finish
WASHINGTON--On 11 January, Earth got a visitor from space: a gigantic cloud of magnetized solar gas. This visitor may have arrived unnoticed to most people, but it didn't slip past...
14 January 1997
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ScienceNOW(Science - AAAS)
He Knew Where the Fair Winds Blew
The American oceanographer Matthew Maury was born on this day in 1806. His monumental work, "Wind and Current Chart of the North Atlantic," issued in 1847, and his later charts...
8 January 1997
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ScienceNOW(Science - AAAS)
Missing Members of a Living Museum
Cracks in the Earth's crust deep below the sea may not be as secure a refuge for weird life-forms--worms, mollusks, and other ancient species--as scientists had thought. Russian fossils, described...
6 January 1997
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ScienceNOW(Science - AAAS)
Mining Nutrients, Tubeworms Reach Ripe Old Age
Albuquerque, New Mexico--Marine biologist Charles Fisher has solved a mystery of the deep: How do some giant tube worms that live on the ocean floor obtain the hydrogen sulfide they...
19 December 1996
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ScienceNOW(Science - AAAS)
Arctic Tundra Leaking Greenhouse Gases
A profound change appears to be sweeping the landscape above the Arctic Circle: Northern Alaska's tundra is warming up, perhaps because of local climate change. And as it warms, it...
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