A coupled modelling approach to assess the effect of fuel treatments on post-wildfire runoff and erosion

Gabriel Sidman, Phillip Guertin, David C. Goodrich, David Thoma, Donald Falk, I. Shea Burns

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

The hydrological consequences of wildfires are among their most significant and long-lasting effects. As wildfire severity affects post-fire hydrological response, fuel treatments can be a useful tool for land managers to moderate this response. However, current models focus on only one aspect of the fire-watershed linkage (fuel treatments, fire behaviour, fire severity, watershed responses). This study outlines a spatial modelling approach that couples three models used sequentially to allow managers to model the effects of fuel treatments on post-fire hydrological responses. Case studies involving a planned prescribed fire at Zion National Park and a planned mechanical thinning at Bryce Canyon National Park were used to demonstrate the approach. Fuel treatments were modelled using FuelCalc and FlamMap within the Wildland Fire Assessment Tool (WFAT). The First Order Fire Effects Model (FOFEM) within WFAT was then used to evaluate the effectiveness of the fuel treatments by modelling wildfires on both treated and untreated landscapes. Post-wildfire hydrological response was then modelled using KINEROS2 within the Automated Geospatial Watershed Assessment tool (AGWA). This coupled model approach could help managers estimate the effect of planned fuel treatments on wildfire severity and post-wildfire runoff or erosion, and compare various fuel treatment scenarios to optimise resources and maximise mitigation results. Journal compilation

Original languageEnglish (US)
Pages (from-to)351-362
Number of pages12
JournalInternational Journal of Wildland Fire
Volume25
Issue number3
DOIs
StatePublished - 2016

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wildfires
wildfire
runoff
erosion
hydrological response
modeling
managers
watershed
national parks
national park
fire severity
fire behavior
effect
prescribed burning
canyons
canyon
thinning
mitigation
case studies
resource

Keywords

  • AGWA
  • Bryce Canyon National Park
  • fire effects
  • watershed
  • WFAT
  • Zion National Park

ASJC Scopus subject areas

  • Forestry
  • Ecology

Cite this

A coupled modelling approach to assess the effect of fuel treatments on post-wildfire runoff and erosion. / Sidman, Gabriel; Guertin, Phillip; Goodrich, David C.; Thoma, David; Falk, Donald; Burns, I. Shea.

In: International Journal of Wildland Fire, Vol. 25, No. 3, 2016, p. 351-362.

Research output: Contribution to journalArticle

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