Issue 8, 2022

A review of simulation experiment techniques used to analyze wildfire effects on water quality and supply

Abstract

This review addresses the critical knowledge gap of techniques simulating combustion and heating characteristics present in natural wildfires and their use in assessing postfire impacts on water quality and quantity. Our assessment includes both laboratory and plot-scale techniques with burn and rainfall simulation components. Studies included focus on advancing understanding of changes in chemical and physical properties of soil, as well as subsequent runoff changes. Advantages of simulation experiments include: overcoming logistical challenges of collecting in situ wildfire data, reducing the high spatial variability observed in natural settings (i.e., the heterogeneity of burn intensity and the underlying vegetation and soil properties), and controlling the magnitude of key drivers of wildfire impacts. In sum, simulation experiments allow for more direct attribution of water quality and quantity responses to specific drivers than experiments conducted in situ. Drawbacks of simulation techniques include the limitation of observing only local-scale processes, the potential misrepresentation of natural settings (i.e., lack of spatial variability in vegetation, soil structure, burn intensity, etc.), uncertainty introduced through experimental error, and subsequent challenges in upscaling results to larger scales relevant for water management. This review focuses primarily on simulation techniques, with the goal of providing a foundation of knowledge for the design of future simulation experiments.

Graphical abstract: A review of simulation experiment techniques used to analyze wildfire effects on water quality and supply

Supplementary files

Article information

Article type
Critical Review
Submitted
02 Febr. 2022
Accepted
20 Jūn. 2022
First published
22 Jūn. 2022
This article is Open Access
Creative Commons BY license

Environ. Sci.: Processes Impacts, 2022,24, 1110-1132

A review of simulation experiment techniques used to analyze wildfire effects on water quality and supply

C. P. Brucker, B. Livneh, J. T. Minear and F. L. Rosario-Ortiz, Environ. Sci.: Processes Impacts, 2022, 24, 1110 DOI: 10.1039/D2EM00045H

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