Effects of Forest Fires on Flood Frequency Curves in a Mediterranean Catchment. Candela, A., Aronica, G., & Santoro, M. 50(2):193–206. Paper doi abstract bibtex The effect of land-use change on the flood frequency curve (FFC) in a natural catchment is analysed. To achieve this, a simple methodology for the derivation of FFCs in land-use change scenarios is proposed. The adopted methodology, using a stochastic model in Monte Carlo simulation of FFCs, was found to provide a useful framework for detecting changes in flood magnitudes in both pre- and post-fire conditions. In particular, the importance of the antecedent soil moisture condition in the determination of the flood frequency distribution was analysed. The analysis of FFCs for pre- and post-fire conditions shows an increase in the average value of Curve Number and a decrease in the catchment time lag. The derivation of FFCs shows a clear increase in flood quantiles. For the post-fire conditions, the FFC exhibits higher quantiles of the peak discharges showing a reduction in frequency of occurrence. This variation is more significant for low-return period quantiles than for high-return period quantiles. The results of the catchment studies reported here support the hypothesis that the hydrological response of the watershed changes as a result of fire, especially during the first years following a fire event.
@article{candelaEffectsForestFires2005,
title = {Effects of Forest Fires on Flood Frequency Curves in a {{Mediterranean}} Catchment},
author = {Candela, Angela and Aronica, Giuseppe and Santoro, Mario},
date = {2005-04},
journaltitle = {Hydrological Sciences Journal},
volume = {50},
pages = {193--206},
issn = {2150-3435},
doi = {10.1623/hysj.50.2.193.61795},
url = {https://doi.org/10.1623/hysj.50.2.193.61795},
abstract = {The effect of land-use change on the flood frequency curve (FFC) in a natural catchment is analysed. To achieve this, a simple methodology for the derivation of FFCs in land-use change scenarios is proposed. The adopted methodology, using a stochastic model in Monte Carlo simulation of FFCs, was found to provide a useful framework for detecting changes in flood magnitudes in both pre- and post-fire conditions. In particular, the importance of the antecedent soil moisture condition in the determination of the flood frequency distribution was analysed. The analysis of FFCs for pre- and post-fire conditions shows an increase in the average value of Curve Number and a decrease in the catchment time lag. The derivation of FFCs shows a clear increase in flood quantiles. For the post-fire conditions, the FFC exhibits higher quantiles of the peak discharges showing a reduction in frequency of occurrence. This variation is more significant for low-return period quantiles than for high-return period quantiles. The results of the catchment studies reported here support the hypothesis that the hydrological response of the watershed changes as a result of fire, especially during the first years following a fire event.},
keywords = {*imported-from-citeulike-INRMM,~INRMM-MiD:c-12116328,catchment-scale,floods,forest-fires,integration-techniques,mediterranean-region,moderate-floods,monte-carlo,soil-moisture},
number = {2}
}
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