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The images presented here show a comparison of two observational analyses of the Gulf Stream, one from the Naval Oceanographic Office (NAVOCEANO) and the second from the Naval Eastern Ocean Center (NAVEASTOCEANCEN) with the Gulf Stream location as determined directly from the Global RTOFS model, overlaid on maps of the Global RTOFS Sea Surface Temperature, Sea Surface Height, Surface Currents, and the high resolution Real-Time Global Sea Surface Temperature analysis (RTG) product.
The Global RTOFS Gulf stream location is defined as the intersection of the 12°C isotherm and the 400m isobath (Halkin and Rossby, 1985).
The Hausdorff distance between two sets of points (in this case the Gulf Stream North Wall Navy analyses and the North Wall from the Global RTOFS model) is the greatest of all the distances from the points in one set to the closest point in the other set. The Modified Hausdorff distance is the minimum of the Hausdorff distances computed by swapping the point sets. More information on the Hausdorff distance metric is available here.
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Page last modified: Tuesday, 31-Aug-2021 11:19:48 UTC