Influence of landscape moisture sources and topography on rock weathering patterns associated with wildfire
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Date
2022
Authors
Journal Title
Journal ISSN
Volume Title
Publisher
Wiley
Abstract
From 9 March 2015, a wildfire burned an area of 25.7 km2, or approximately half of
the Jonkershoek catchment (Western Cape, South Africa), over the course of 3 days.
During this period, large areas of fynbos and commercial forest plantations were
razed, and rocks, including boulders and smaller rocks, were exposed to high temperatures.
While a substantial body of work has been carried out to investigate the
effects of wildfire on landscape development, less is known about the effect of wildfire
on rock weathering within a landscape. Previous studies have reported the overall
effect of wildfire on rock deterioration, but the effect of intra-fire temperature
differences associated with heat behaviour on a slope has not been sufficiently
addressed. In this study we investigate the effects of topography and proximity to
moisture on rock deterioration processes.
Description
Keywords
Climate change, Topography, Wildfire, Geography, Geoscience
Citation
Mol, L., & Grenfell, M. (2022). Influence of landscape moisture sources and topography on rock weathering patterns associated with wildfire. Earth Surface Processes and Landforms, 47(7),1761–1777. https://doi.org/10.1002/esp.5345