Brazil-Malvinas Confluence Region

Spectral Analysis


Spectral Analysis of the Separation of the Brazil Current (BC) Front From the Continental Shelf

The figure below shows the power spectrum density (PSD) of the latitude of separation of the BC front from the continental shelf, defined as the intersection between the -1000m bathymetry contour and the contour when the 10°C isotherm is 200m deep. The peak-based significance level is computed at 95%.

This figure is updated monthly using delayed-time data (about 6 month delay) and near real-time altimetry data (4 week delay) when delayed-time data are not available.


Spectral Analysis of the Southernmost Frontal Location

The figure below shows the PSD of the latitude of the southernmost frontal location defined as the southernmost position of the altimeter derived 200m contour of the 10°C isotherm. The peak-based significance level is computed at 95%.

This figure is updated monthly using delayed-time data (about 6 month delay) and near real-time altimetry data (4 week delay) when delayed-time data are not available.


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