Dendrogeomorphological analysis of a debris flow in the Monarch Butterfly Biosphere Reserve, central Mexico

Karla Aurora Peña Guillén, Manuel E. Mendoza, Teodoro Carlon Allende (), José Luis Macías and José Villanueva Díaz
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Karla Aurora Peña Guillén: Universidad Nacional Autónoma de México
Manuel E. Mendoza: Universidad Nacional Autónoma de México
Teodoro Carlon Allende: Universidad Nacional Autónoma de México
José Luis Macías: Universidad Nacional Autónoma de México
José Villanueva Díaz: Instituto Nacional de Investigaciones Forestales

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2025, vol. 121, issue 2, No 16, 1575-1598

Abstract: Abstract Debris flows are one of the most hazardous and frequent landslides in mountainous regions. In this research, we apply dendrogeomorphological techniques to analyze the debris flow that occurred in February 2010 in the Monarch Butterfly Biosphere Reserve in central Mexico. Firstly, analyzed precipitation data from two nearby meteorological stations has indicated that an extraordinary precipitation event accumulated 236.4 mm of rainfall over a 5-day period, from January 31st to February 4th, 2010. In addition, we generated a geomorphological cartography of the area at 1:600 scale by interpreting the images obtained using an Unmanned Aerial Vehicle. Subsequently, we carried out dendrochronological sampling on 98 Abies religiosa trees (125 cores); the cores were dated using cross-dating and the ring width was measured for generating a chronology, in which the years with growth disturbances as a result of the debris flow could be identified and characterized. We identified three types of growth anomalies in the tree ring series: (a) traumatic resin ducts, (b) growth suppression, and (c) growth releases, related to the 2010 debris flow event. We also estimated the debris flow intensity through the scar heights recorded in the trees, which allowed us to identify that the intensity of the debris flow was greater in the transport zone. These results highlight the benefit of the dendrogeomorphological technique used in the collection of spatio-temporal information on debris flow activity in intertropical montane environments, especially where information about mass movement processes is limited. Therefore, we demonstrate that dendrogeomorphological techniques, in combination with other parameters such as scar height on the trees, as well as a detailed geomorphological survey, allows for an understanding of the dynamics of debris flows, which, in the case of Mexico have not been previously evaluated using this approach.

Keywords: Abies religiosa; Dendrogeomorphology; Mass removal processes; Tree-ring chronology (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1007/s11069-024-06873-x

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