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Ocean Topography
Looking for something that shows ocean depth/feet in detail?
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Quote:
Sorry george, couldn't resist. Try mytopo.com . |
http://southcoast.marinemap.org/marinemap/
turn on the substrate tab. http://www.pursuetheoutdoors.com/fis...6/grddas06.php try google earth 5 http://www.google.com/earth/explore/...explore-oceans looking for rockfish spots already? :biggrinjester: |
I've been looking for this kind of info/imagery as well. Didn't come up with much. The bathymetry option from buskid's link shows some, but not much.
I once worked for a business that scanned the seafloor and collected that x/y/z (depth) data for the bay and other local areas and it is very expensive to do. Take a look here for stuff http://www.google.com/search?hl=en&r...w=1045&bih=528 First you need something to accurately collected depth information and time stamp that information. Then you need a heave compensator that measures the boat's pitch, yaw and roll and time stamp that information. Then you need a GPS device that has sub-meter accuracy and time stamp the location information. Now take all that info and process it - meaning the angle of the beam that goes 'straight' down needs to have geometrical calculations applied due to the yaw, pitch, roll of the boat to calculate a new position and depth. This is needed if you want detail. Please share if you find something with detail. |
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