Over each of the past several centuries, including the last one, sea levels rose by about 7 inches (18 cm).
Accordingly, neither the overall warming trend or sea level rise began with the fossil-burning Industrial Revolution� nor have they changed in any detectable way due to human influences. And we can�t even really know that the second follows the first. Sea levels rose during the Little Ice Age from about 1400-1859 AD� a period which was considerably colder than now.
Unlike floating sea ice (the Artic) which doesn�t influence sea level when it melts, the West Antarctic Ice Sheet is part of the land mass. When it melts, it adds to sea level just as melting glaciers do. The end of the last Ice Age 18,000 years ago caused the sea level to rise by a huge amount�about 400 feet. This change happened rapidly at first, caused primarily by the melting of huge ice sheets covering North America and Eurasian land masses which disappeared about 8000-5000 years ago.
The West Antarctic Ice sheet began to melt at that time also, but at a much slower rate, and that melting continues today. We might expect this melting to continue until it is gone in another 7,000 years or so� or until the next Ice Age, whichever comes first.
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Today's Featured Article - Gatherin of the Orange - by Rick Nikolich. In July of 1998 I was talking to fellow Allis Chalmers collector Mike Schilling about the annual "Gathering of The Orange" AC show coming up in August of 1999. He got this wild idea that we should get a convoy of AC tractors and drive them from Charlotte, Michigan 105 miles to LaGrange, Indiana.
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