Cited by 64Hydrology and Watershed Management StudiesSoil and Unsaturated FlowFire effects on ecosystems

Observed and simulated hydrologic response for a first‐order catchment during extreme rainfall 3 years after wildfire disturbance

Open access
Ebel, Brian A., Rengers, Francis K., Tucker, Gregory E.·2016·Water Resources Research

Abstract

Hydrologic response to extreme rainfall in disturbed landscapes is poorly understood because of the paucity of measurements. A unique opportunity presented itself when extreme rainfall in September 2013 fell on a headwater catchment (i.e., <1 ha) in Colorado, USA that had previously been burned by a wildfire in 2010. We compared measurements of soil‐hydraulic properties, soil saturation from subsurface sensors, and estimated peak runoff during the extreme rainfall with numerical simulations of runoff generation and subsurface hydrologic response during this event. The simulations were used to explore differences in runoff generation between the wildfire‐affected headwater catchment, a simulated unburned case, and for uniform versus spatially variable parameterizations of soil‐hydraulic properties that affect infiltration and runoff generation in burned landscapes. Despite 3 years of elapsed time since the 2010 wildfire, observations and simulations pointed to substantial surface runoff generation in the wildfire‐affected headwater catchment by the infiltration‐excess mechanism while no surface runoff was generated in the unburned case. The surface runoff generation was the result of incomplete recovery of soil‐hydraulic properties in the burned area, suggesting recovery takes longer than 3 years. Moreover, spatially variable soil‐hydraulic property parameterizations produced longer duration but lower peak‐flow infiltration‐excess runoff, compared to uniform parameterization, which may have important hillslope sediment export and geomorphologic implications during long duration, extreme rainfall. The majority of the simulated surface runoff in the spatially variable cases came from connected near‐channel contributing areas, which was a substantially smaller contributing area than the uniform simulations.

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Crossref · 10.1002/2016wr019110

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135 of 135 references verified0 citation errors · 0 not checkable

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  • Increased river flow can be sustained over multiple years after fires in New Mexico and Colorado.

    “recent studies in New Mexico and Colorado also show that increased river flow can be sustained over multiple years3,9.”

    From Burned forests impact water supplies (2018) · cites this paper as [9]

  • Our results corroborate recent evidence of significant increases in river flow following wildland fires in arid watersheds such as New Mexico and Colorado.

    “Our results corroborate with recent evidence of significant increases in river flow following wildland fires in arid watersheds, such as New Mexico and Colorado9,16,22.”

    From Burned forests impact water supplies (2018) · cites this paper as [9]

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Authors
Ebel, B. A., Rengers, F. K., & Tucker, G. E.
Affiliations
  • United States Geological Survey (US)
  • Cooperative Institute for Research in Environmental Sciences (US)
Corresponding author
Ebel, Brian A.
Venue
Water Resources Research
Published
2016-12
Volume
52
Issue
12
Pages
9367-9389
ISSN
  • 0043-1397 (ISSN-L)
  • 1944-7973
OpenAlex
W2557144787
Cited by
64
References
135
Citations by year
2026: 7 · 2025: 10 · 2024: 6 · 2023: 4 · 2022: 4 · 2021: 11 · 2020: 8 · 2019: 5 · 2018: 5 · 2017: 4
FWCI
2.76
Type
journal article
Language
en
Locations
  • Water Resources Research (publishedVersion)
  • NOAA Institutional Repository (submittedVersion, public-domain)
Funders
the National Research Program (NRP) of the USGS
Topics
  • Physical Sciences › Environmental Science › Water Science and Technology › Hydrology and Watershed Management Studies
  • Physical Sciences › Engineering › Civil and Structural Engineering › Soil and Unsaturated Flow
  • Physical Sciences › Environmental Science › Global and Planetary Change › Fire effects on ecosystems
Keywords
wildfire disturbance, extreme rainfall, headwater catchments, runoff generation, infiltration-excess runoff, soil hydraulic properties, post-fire recovery, subsurface hydrology, peak runoff, contributing area

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