Researchers at Princeton University and the University of Connecticut conducted the first study to map the shape of the world’s major mountain ranges and found that the classic triangular form in which land-area uniformly decreases as elevation increases only applies to roughly one-third of the world’s mountain ranges, according to a report in the journal Nature Climate Change.
Instead, the 182 mountain ranges the researchers studied take on four principal shapes: diamond, pyramid, inverted pyramid and hourglass. The researchers analyzed high-resolution topography maps for every mountain range to determine land area by elevation. They found that for all the range shapes except pyramid, land availability can be greater at higher elevations than it is farther down the mountainside.
For the story: https://blogs.princeton.edu/research/2015/05/18/reshaping-mountains-in-the-human-mind-to-save-species-facing-climate-change-nature-climate-change/