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Atlantic Ocean Topography Map

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dhill757
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« on: September 13, 2009, 03:41:38 am »

An Interactive Global Map of Sea Floor Topography Based on Satellite Altimetry & Ship Depth Soundings
Meghan Miller, Walter H.F. Smith, John Kuhn, & David T. Sandwell

The following is an interactive version of the Smith & Sandwell (1997) global ocean bathymetry map, the most complete, high-resolution image of sea floor topography currently available. The map was constructed by blending depth soundings collected from ships with detailed gravity anomaly information obtained from the  Geosat and  ERS-1 satellite altimetry missions. This combination of data yields a globally uniform level of resolution ideal for displaying major tectonic features, such as mid-ocean spreading ridges or fracture zones. To examine a particular area in more detail, select a zoom factor, then click on a point in the map. The next image will be zoomed and centered on that point. To generate an annotated GMT/PostScript version of a particular map, or an Ascii file (longitude, latitude, elevation/depth in meters), click on the appropriate button below the map, then click on "Here" to download.

http://ibis.grdl.noaa.gov/cgi-bin/bathy/bathD.pl

Zoom Factor (longitudinal coverage in degrees):



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Mario Dantas
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« Reply #1 on: September 14, 2009, 08:05:39 am »



Dear dhill757,

Your gravitational anomaly map show a protuberance near the Azores region upon the MAR. In the picture above the "protuberant" aspect is maximized with contrast in order to project the "hidden" forms in the oceanic floor.

regards,
Mario Dantas
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dhill757
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« Reply #2 on: September 14, 2009, 03:06:29 pm »

Hi Mario,

Interesting work, I have some conflicting reports about what lies in the water of the Azores.  However, the further north we get, the colder it is, too, and Plato does mention the two growing seasons.
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