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Which of the mid ocean ridges has the fastest spreading rate?
The Pacific region spreads 80-120 mm/yr, while the north Atlantic Ocean is just ~ 25 mm/yr.
The Atlantic Ocean has been widening at the rate of about?
The same rate as your fingernails are getting longer each year!
Why are the magnetic strips in the pacific ocean wider than the ones in the Atlantic ocean?
The Pacific seafloor formed at a faster spreading rate than the Atlantic seafloor.
How much farther would Columbus have to sail if he crossed the Atlantic today?
The spreading rate of the mid-Atlantic ridge in north Atlantic Ocean is ~ 25 mm/yr. And Columbus sailed across the Atlantic Ocean in 1492. (This is from Wikipedia) Take the (current year - 1492)*25mm and you have your answer. For 2014, it would be (2014 - 1492) * 25 = 13050 mm = 1305 cm = 13.05 m
Is the North Atlantic spreading faster than the South Atlantic?
Neither is spreading faster. They are both spreading at the same rate.
Why is the distance from the UK and America increasing?
New crust is forming at the Mid-Atlantic Ridge, causing the Atlantic ocean to grow wider at a rate of about 3 centimeters per year.
Is the Atlantic Ocean growing or shrinking?
The Atlantic is getting bigger as the Eurasian and American plates move further away from each other. The Pacific is getting smaller which can be seen most easily in San Francisco where the large amount of earthquakes are due to the pacific plate being pushed underneath the American plate.
What is happening to the width of the Atlantic ocean?
Scientific studies have shown that the width of the Atlantic Ocean is expanding. Researchers have stated that this has to do with the effects of global warming and explains why the Pacific Ocean is decreasing in size. ++== YES - the Atlantic Ocean is widening, at a mean rate of 25mm/yr. The Pacific Ocean is closing. + NO _ Research has NOT shown it has anything to do with climate change! It has nothing whatsoever to do with climate. + The changes are due to Continental Drift,. = The Atlantic floor is widening from the Mid-Atlantic Ridge constructive-plate margin with only limited subduction to absorb the growth in oceanic plate. The Pacific is closing by subduction around most of its coasts, more rapidly than its own spreading-ridges can compensate. + The Continental Drifts associated with these are of the American continent swinging North-Westwards, and the European Plates moving NE.
What is the north Atlantic ridge?
The Mid-Atlantic Range is an underwater mountain range of the Atlantic Ocean and Artic Ocean. The Mid-Atlantic Ridge is part of the global mid-oceanic ridge system; the ridge is the mountain range where tectonic plates are moving apart along a boundary as magma rises from the Earth's mantel. This magma then heats up and the heat cause the curst on the rifts expand creating the ridges. As the tectonic plates keep moving apart, the Atlantic ridge keeps growing at this point at the rate of 5-10centimeters per year. It's the Nothern third of the Mid-Atlantic ridge Plankey1995 JF
What Causes the wind and surface currents to turn?
The coriolis effect. The spinning of the Earth on it's axis necessarily produces a rotation in wind and water currents on the Earth's surface due to the fact that the equator moves at a faster rate of speed than any points approaching the poles. This creates a counterclockwise rotation of currents in the northern hemisphere and clockwise rotation south of the equator. It also creates a deflection of currents to the right north of the equator and a deflection to the left south of the equator, essentially causing the currents to deflect in a clockwise direction north of the equator and counterclockwise south of the equator (opposite their localized spin). Thus the Gulf Stream and the North Atlantic currents around the Atlantic Ocean move clockwise around the ocean, yet hurricanes in the North Atlantic spin counterclockwise locally. Other factors such as change in surface heat (sea/land breezes) and gravity (sun and moon creating tidal currents) also exist.
What cause surface ocean water to have a higher salt content?
The salinity of ocean water depends on its location, rate of evaporation, amount of precipitation and amount of freshwater added to the ocean.
Is the breakup of pangaea is a process that is continuing today?
The breakup of the Pangea is a process that is continuing today. The Atlantic Ocean is broadening, and the Pacific is shrinking at the rate of approximately an inch a year.
