This map is based upon Prominence and Isolation data from Peakbagger and Eberhard Jurgalski’s work on Dominance. The icons are color-coded by their Altitude Class (Dominance). Each summit is linked to its Prominence Key-Col (horse icon) by a purple line and has a separate orange line drawn to its ILP (Isolation Limit Point).
These two scatter plots show the Prominence height versus the Isolation distance in linear (left) and log (right – for better readability) scales. I then ran a clustering algorithm to form clusters of peaks which are color-coded in the table below.
This table presents other meausres used to quantify summits:
Prom – Prominence is the vertical distance between peak and key col
Iso – Isolation is the radius of dominance
Dom – Dominance as defined by Eberhard Jurgalski
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* – Note that Connecticut doesn’t have prominence or isolation because it is a contour line on the side of Mt Frissell. Thus these measures have no meaning.