A new method for deriving glacier centerlines applied to glaciers in Alaska and northwest Canada

• Published in: The Cryosphere
• Main Authors: C. Kienholz, J. L. Rich, A. A. Arendt, R. Hock
• Format: Article in Journal/Newspaper
• Language: English
• Published: Copernicus Publications 2014
• Subjects: geo; envir; British Columbia; Canada; Yukon; glacier; glaciers; The Cryosphere; Alaska
• Online Access: https://doi.org/10.5194/tc-8-503-2014; http://www.the-cryosphere.net/8/503/2014/tc-8-503-2014.pdf; https://doaj.org/article/653d9dfd83c94e57be3229955ca0a6ba

This study presents a new method to derive centerlines for the main branches and major tributaries of a set of glaciers, requiring glacier outlines and a digital elevation model (DEM) as input. The method relies on a "cost grid–least-cost route approach" that comprises three main steps. Fi...