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Old 08-16-2013, 06:14 AM
 
Location: London, UK
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The North American inland or the Western_Interior_Seaway sea was a large inland sea that dominated much of the North American continent during the Cretaceous.

Laramidia was the western island and Appalachia was the eastern island.



So how would the climate of North America change, I personally think continental climates across the continent will cease to exist and the Oceanic type climates will expand to all coastal areas across landmass.

Speculate away...

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Old 08-16-2013, 07:42 AM
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Location: Western Massachusetts
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I assume there'd be no Rockies. Would we still have the Pacific Coastal Ranges (Sierra, Cascades, BC Coast)?
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Old 08-16-2013, 09:02 AM
 
Location: London, UK
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Quote:
Originally Posted by nei View Post
I assume there'd be no Rockies. Would we still have the Pacific Coastal Ranges (Sierra, Cascades, BC Coast)?
Sorry forgot to say, the rockies are the same height as currently, the Appalachians are also the same height.
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Old 08-16-2013, 09:10 AM
nei nei won $500 in our forum's Most Engaging Poster Contest - Thirteenth Edition (Jan-Feb 2015). 

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Location: Western Massachusetts
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Quote:
Originally Posted by P London View Post
Sorry forgot to say, the rockies are the same height as currently, the Appalachians are also the same height.
That would be difficult to imagine as most of them are underwater in your map.
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Old 08-16-2013, 09:36 AM
 
Location: London, UK
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Originally Posted by nei View Post
That would be difficult to imagine as most of them are underwater in your map.
Well then the pacific coastal ranges will still exist..I'm not too familiar with all the mountain chains there.
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Old 08-18-2013, 09:35 AM
 
Location: London, UK
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No-one what to speculate?
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Old 08-18-2013, 09:59 AM
 
Location: Near the Coast SWCT
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Quote:
Originally Posted by nei View Post
That would be difficult to imagine as most of them are underwater in your map.
5,000 to 10,000 foot deep water there? lol

All I know is, if there is a large body of water in that area and it freezes over in the winter, then any west wind will bring some real frigid air to the east all the way to the coast.

And if its connected to the Labrador seaway and Arctic, then Ice Bergs would be possible over Nebraska. lol
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Old 08-18-2013, 10:50 AM
 
Location: London, UK
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So you don't think North America would be more oceanic/moderate?
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Old 08-18-2013, 10:53 AM
 
Location: Near the Coast SWCT
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Originally Posted by P London View Post
So you don't think North America would be more oceanic/moderate?
If the flow of the water is north to south wouldn't ice flow south ward and cool off the water? So I dont think that river of water in your senario would be a warm body except in the gulf but even that would cool down. Then once winter rolls around and we get the layer of water to freeze any wind riding on top of this 10,000 foot deep water would cool the entire lower 48. Just my take on it.
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Old 08-18-2013, 11:19 AM
 
Location: London, UK
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I think the arctic would actually become warmer due to the nee connection.with the gukf of mexico. Continental climates woukd cease to exist, the forests of North America would expand and deserts will shrink. I'm guessing oceanic climates would dominate much of North America. I doubt the new sea would be a warm body of water just a moderating one.
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