Southern Ocean Frontal Distributions (Orsi)

A data set package with the "Orsi" and "Park/Durand" fronts as 'SpatialLinesDataFrame' objects. The Orsi et al. (1995) fronts are published at the Southern Ocean Atlas Database Page, and the Park et al. (2019) fronts are published at the 'SEANOE' Altimetry-derived Antarctic Circumpolar Current fronts page, please see package CITATION for details.

Orsi fronts in Spatial form

The "Orsi fronts" are a commonly used climatological map of Southern Ocean frontal distributions, published on the Southern Ocean Atlas Database Page after Orsi et al. (1995).

See the package vignette/s for more details, and use citation("orsifronts") for information on the sources.


Orsi, A. H., T. Whitworth III and W. D. Nowlin, Jr. (1995). On the meridional extent and fronts of the Antarctic Circumpolar Current, Deep-Sea Research I, 42, 641-673.


Reference manual

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0.2.0 by Michael D. Sumner, 9 months ago

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Browse source code at

Authors: Michael D. Sumner [aut, cre]

Documentation:   PDF Manual  

GPL-3 license

Depends on sp

Suggests knitr, rmarkdown, covr

See at CRAN