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1/25/2018 7:38:29 AM
Posted: 3/10/2006 2:43:25 PM EST
I was online and looking at the altitude readout and I noticed that different parts of some of the great lakes had different altitude readings on the same lake. Anyone know how they figure this out?
Link Posted: 3/10/2006 2:44:46 PM EST
[Last Edit: 3/10/2006 2:45:14 PM EST by blacklisted]
It's probably radar or something, and it most likely screws up with water.

I've wondered about this myself.
Link Posted: 3/10/2006 2:54:02 PM EST
Most likely USGS DEM's. (US Geological Survey Digital Elevation Model) Probably several other sources are integrated as well.
Link Posted: 3/10/2006 2:57:48 PM EST
From the Mothership like everyone else!

At night in my solitary sojourns around our fine planet I often slide between the clefts of the Grand Canyon, hit Old Faithful for a splash and then take a relaxing dip in Lake Superior followed by a nightcap near the Eifel Tower.

GoogleEarth is a nice program.
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