Effects of Forest Fire on the Watershed Hydrological Cycle
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Abstract:
Global warming results in the increasing in the forest fire danger weather and forest fire frequency. Therefore, it is important to study the disaster control and reduction and post-disaster reconstruction in the forest watershed. The watershed hydrology process can be affected by the forest fire through destroying vegetation cover and litter on the ground, altering soil properties, and deteriorating ecological environment, and thus the research of hydrological response of forest fire has received widespread attentions. This paper reviewed the impacts of forest fire on the hydrological processes in aspect of rainfall interception, soil hydrology, evapotranspiration, and water yield. Due to different impact degrees of each hydrological factor to forest fire caused by the spatial heterogeneity of forest fire, the vegetation type, fire type, and fire severity need to be taken into account in the analysis of the impacts of forest fire on the hydrological processes in future.
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