ACME, a GIS tool for Automated Cirque Metric Extraction

Matteo Spagnolo, Ramon Pellitero, Iestyn D. Barr, Jeremy C. Ely, Xavier M. Pellicer, Brice R. Rea

Research output: Contribution to journalArticle

7 Citations (Scopus)
212 Downloads (Pure)

Abstract

Regional scale studies of glacial cirque metrics provide key insights on the (palaeo) environment related to the formation of these erosional landforms. The growing availability of high resolution terrain models means that more glacial cirques can be identified and mapped in the future. However, the extraction of their metrics still largely relies on time consuming manual techniques or the combination of, more or less obsolete, GIS tools. In this paper, a newly coded toolbox is provided for the automated, and comparatively quick, extraction of 16 key glacial cirque metrics; including length, width, circularity, planar and 3D area, elevation, slope, aspect, plan closure and hypsometry. The set of tools, named ACME (Automated Cirque Metric Extraction), is coded in Python, runs in one of the most commonly used GIS packages (ArcGIS) and has a user friendly interface. A polygon layer of mapped cirques is required for all metrics, while a Digital Terrain Model and a point layer of cirque threshold midpoints are needed to run some of the tools. Results from ACME are comparable to those from other techniques and can be obtained rapidly, allowing large cirque datasets to be analysed and potentially important regional trends highlighted.
Original languageEnglish
Pages (from-to)280-286
Number of pages7
JournalGeomorphology
Volume278
Early online date24 Nov 2016
DOIs
Publication statusPublished - 2017

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cirque
GIS
hypsometry
digital terrain model
polygon
landform

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Spagnolo, M., Pellitero, R., Barr, I. D., Ely, J. C., Pellicer, X. M., & Rea, B. R. (2017). ACME, a GIS tool for Automated Cirque Metric Extraction. Geomorphology, 278, 280-286. https://doi.org/10.1016/j.geomorph.2016.11.018
Spagnolo, Matteo ; Pellitero, Ramon ; Barr, Iestyn D. ; Ely, Jeremy C. ; Pellicer, Xavier M. ; Rea, Brice R. / ACME, a GIS tool for Automated Cirque Metric Extraction. In: Geomorphology. 2017 ; Vol. 278. pp. 280-286.
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abstract = "Regional scale studies of glacial cirque metrics provide key insights on the (palaeo) environment related to the formation of these erosional landforms. The growing availability of high resolution terrain models means that more glacial cirques can be identified and mapped in the future. However, the extraction of their metrics still largely relies on time consuming manual techniques or the combination of, more or less obsolete, GIS tools. In this paper, a newly coded toolbox is provided for the automated, and comparatively quick, extraction of 16 key glacial cirque metrics; including length, width, circularity, planar and 3D area, elevation, slope, aspect, plan closure and hypsometry. The set of tools, named ACME (Automated Cirque Metric Extraction), is coded in Python, runs in one of the most commonly used GIS packages (ArcGIS) and has a user friendly interface. A polygon layer of mapped cirques is required for all metrics, while a Digital Terrain Model and a point layer of cirque threshold midpoints are needed to run some of the tools. Results from ACME are comparable to those from other techniques and can be obtained rapidly, allowing large cirque datasets to be analysed and potentially important regional trends highlighted.",
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Spagnolo, M, Pellitero, R, Barr, ID, Ely, JC, Pellicer, XM & Rea, BR 2017, 'ACME, a GIS tool for Automated Cirque Metric Extraction', Geomorphology, vol. 278, pp. 280-286. https://doi.org/10.1016/j.geomorph.2016.11.018

ACME, a GIS tool for Automated Cirque Metric Extraction. / Spagnolo, Matteo; Pellitero, Ramon; Barr, Iestyn D.; Ely, Jeremy C.; Pellicer, Xavier M.; Rea, Brice R.

In: Geomorphology, Vol. 278, 2017, p. 280-286.

Research output: Contribution to journalArticle

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AU - Spagnolo, Matteo

AU - Pellitero, Ramon

AU - Barr, Iestyn D.

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AU - Pellicer, Xavier M.

AU - Rea, Brice R.

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AB - Regional scale studies of glacial cirque metrics provide key insights on the (palaeo) environment related to the formation of these erosional landforms. The growing availability of high resolution terrain models means that more glacial cirques can be identified and mapped in the future. However, the extraction of their metrics still largely relies on time consuming manual techniques or the combination of, more or less obsolete, GIS tools. In this paper, a newly coded toolbox is provided for the automated, and comparatively quick, extraction of 16 key glacial cirque metrics; including length, width, circularity, planar and 3D area, elevation, slope, aspect, plan closure and hypsometry. The set of tools, named ACME (Automated Cirque Metric Extraction), is coded in Python, runs in one of the most commonly used GIS packages (ArcGIS) and has a user friendly interface. A polygon layer of mapped cirques is required for all metrics, while a Digital Terrain Model and a point layer of cirque threshold midpoints are needed to run some of the tools. Results from ACME are comparable to those from other techniques and can be obtained rapidly, allowing large cirque datasets to be analysed and potentially important regional trends highlighted.

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Spagnolo M, Pellitero R, Barr ID, Ely JC, Pellicer XM, Rea BR. ACME, a GIS tool for Automated Cirque Metric Extraction. Geomorphology. 2017;278:280-286. https://doi.org/10.1016/j.geomorph.2016.11.018