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Discussion papers | Copyright
https://doi.org/10.5194/nhess-2017-318
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 09 Oct 2017

Research article | 09 Oct 2017

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This discussion paper is a preprint. It has been under review for the journal Natural Hazards and Earth System Sciences (NHESS). The manuscript was not accepted for further review after discussion.

Assessment of Forest Fire Rating Systems in Typical Mediterranean Forest, Crete, Greece

Mohamed Elhag1 and Slivena Boteva2 Mohamed Elhag and Slivena Boteva
  • 1Department of Hydrology and Water Resources Management, Faculty of Meteorology, Environment & Arid Land Agriculture, King Abdulaziz University, Jeddah, 21589, Kingdom of Saudi Arabia
  • 2Department of Ecology and Environmental Protection, Faculty of Biology, Sofia University, Sofia, 1164, Bulgaria

Abstract. The Fire Weather Index (FWI) module was tested under the Mediterranean- type conditions of Crete (Greece) for the two fire seasons 2008–2009. High correlations were found between the Fine Fuel Moisture Code (FFMC) and the Duff Moisture Code (DMC. The Drought Code (DC) was insignificantly correlated with the soil moisture content. No significant correlation was found between the area burned by wildfires and any component of the FWI system during the studied period, unlike fire occurrence with which most of the components were highly correlated. Meanwhile, the Keetch-Byram Drought Index (KBDI) of the American Forest Fire Danger Rating System (NFFDRS) was also examined under the same conditions. It provided a useful means of monitoring general wetting and drying cycles, but is inadequate for indicating daily fire danger throughout the fire season in our region. Weak correlations between the KBDI- the fire occurrence and the area burned were found for the two fire seasons studied-2008–2009. Correlations between the KBDI and litter, duff and soil did not give statistically sound results. On the contrary, the KBDI seemed to predict with high accuracy the moisture content of three annual plants (Piplatherum miliaceum, Parietaria diffusa, Avena sterillis) with a shallow rooting system of Pinus halepensis forest understory in the region. This indicated that the index was adequate, to a certain extent, to represent the upper soil layers' water status, while it is unsuitable to predict needles moisture content of Pinus halepensis, which has a deep rooting system.

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Mohamed Elhag and Slivena Boteva
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Interactive discussion
Status: closed
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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Mohamed Elhag and Slivena Boteva
Mohamed Elhag and Slivena Boteva
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The objective of this study is to test and evaluate the following FFDRS, to propose possible modifications that would better adapt these systems to the Mediterranean conditions. The implemented forest fire danger rating systems are the Canadian Forest Fire Danger Rating System (CFFDRS), and Keetch-Byram Drought Index (KBDI) of the American National Forest Fire Danger Rating System (NFFDRS).
The objective of this study is to test and evaluate the following FFDRS, to propose possible...
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