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OCEANOGRAPHY

Explore various educational logs broadcast from the R/V Odyssey about oceanography.


January 24, 2003
'Northeast Monsoon Season'
"Life on the open sea is dictated by the winds for they affect every part of our existence. Sometimes a strong blow can be a blessing, assisting us in travelling in a desired direction under the power of nature. At other times, we must face strong winds head on in order to reach our destination, or as is often the case, to keep up with sperm whales."
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Watch the Odyssey report:
Real Audio -  >28k
October 21, 2002
'Creatures of the Intertidal Zone'
"Imagine that your home was underwater half the day, being pounded by surf-all of your possessions washed away as you struggled to cling to the rocks or the sand. Now imagine that during the other half of the day you were exposed to the heat of the sun, dehydrating on that same rocky surface or sandy floor-not an easy life. Yet in this intertidal world where space is at a premium, a staggering variety of life forms has evolved. So who is it that lives here, and how do they survive?"
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Listen to the Odyssey log:
Real Audio -  >28k
September 24, 2002
'Tides'
"Tides are the response of ocean water to the pull of gravity of the moon, and to a lesser extent the sun, on the earth as it spins around on its axis once every 24 hours. Tides are a predictable, repetitive rising and falling of the water along the oceanís shore. Every day the ocean washes up onto the shore until it reaches a certain point (the high tide mark), then it begins to recede, reaching itís lowest point (the low tide mark)."
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Listen to the Odyssey log:
Real Audio -  >28k
September 6, 2002
'Waves'
"Most of us are familiar with ocean waves by having experienced them at the beach, or while surfing (or being seasick on a rolling boat). So what are they; how are they formed; where do they come from; and where are they headed?"
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Listen to the Odyssey log:
Real Audio -  >28k
August 1, 2002
'The Indian Ocean'
"The best time to sail west across the tropical waters of the Southern Indian Ocean is during the months of June through September when the trade winds are most settled and steady. The Pacific, Atlantic and Indian Oceans all experience trade winds at different times of year, north and south of the equator and along the tropical belt, between the Tropics of Cancer and Capricorn. The southeast trade winds are formed by high-pressure systems that relentlessly move from west to east across the vastness of the Indian Ocean."
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Listen to the Odyssey log:
Real Audio -  >28k
June 18, 2002
'Sea Mail Service'
"Most of us have probably stood on the deck of a ship or some barren shoreline and thought about sending a message in a bottle across the sea. In some cases fortunes were made, marriage proposals answered, and rescues initiated. Although most of us probably didn't act on this impulse, a few of the ones who did were later pleased that they had done so."
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Listen to the Odyssey log:
Real Audio -  >28k
May 19, 2002
'Surveying the New Holland Grounds'
"The Wallaby Saddle, made up of two, large, underwater plateaus - Cuvier plateau and Zenith plateau, runs through the center of the New Holland Grounds. Each of these plateaus rises from the ocean floor for 5 kilometres to within about 1 kilometres of the surface."
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Listen to the Odyssey log:
Real Audio-  >28k
December 4, 2001
'A Captain's Report - Weather Update'
"Besides the usual isolated thunderstorms, the arriving of the summer season (in the Southern Hemisphere) brings the occurrence of Tropical Cyclones. These storms are characteristic of all tropical areas of the world, and in the Southern Hemisphere, the cyclone season starts the beginning of November and finishes the end of April."
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Listen to the Odyssey log:
Real Audio -  >28k
March 21, 2001
'Rabaul'
"We have just completed a valuable two and a half-week survey of the Bismarck and Solomon Seas. This unique environment evidently supports an abundance of marine mammals. This proved to be an incredible trip with a daily bonanza of whale and dolphin sightings."
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Listen to the Odyssey log:
Real Audio -  >28k
February 20, 2001
Monsoon
"We are currently anchored on the leeward side of a small and remote atoll approximately two hundred miles east of New Ireland Province, Papua New Guinea. This departure from our route was an unscheduled stop, however, the course of events that have occurred over the last 36 hours have taken us on this unexpected detour."
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Listen to the Odyssey log:
Real Audio -  >28k  >56k
October 23, 2000
The Formation of a Coral Atoll
Atolls are found in the open sea. They are formed by a prolific group of animals called corals, which when concentrated in masses, form coral reefs.
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Listen to the Odyssey Log: - Real Audio
March 20, 2003
'Coral Reefs - An Underwater Paradise'
"The Maldives is an underwater paradise in an area where the vast blue reaches of the ocean are studded with coral reefs. These reefs stretch for almost 900 kilometers, harbouring an explosion of aquatic life that includes over one-third of the reef fish found in the entire Indian Ocean."
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Listen to the Odyssey report:
Real Audio -  >28k
January 24, 2003
'Northeast Monsoon Season'
"Life on the open sea is dictated by the winds for they affect every part of our existence. Sometimes a strong blow can be a blessing, assisting us in travelling in a desired direction under the power of nature. At other times, we must face strong winds head on in order to reach our destination, or as is often the case, to keep up with sperm whales."
Read more >>
Watch the Odyssey report:
Real Audio -  >28k
 
 
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