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Hudro-Meteorogical causes of fire In mediterranean enviroments: Invistigation in the region of Greece

Voidomatis Dimitrios

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Summary

The present dissertation studies/focuses on the hydro-meteorological causes of agroforestry fires in Mediterranean environments and especially in the region of Greece Wildfire / Bushfire is the fire that occurs in a forest or rural area or in the countryside in general and consists of unwanted and uncontrolled fire in areas of usually dense vegetation, with rich fuel and quality but also in quantity. Hydro-meteorological factors are considered to be rainfall (precipitation column height mm), wind speed (m/s), temperature (ºC), relative humidity (% humidity) and meteorological drought as described by the drought index SPI3 ( std.). The aim of this work is to correlate the hydro-meteorological parameters with the total burned area of each sub-prefecture of the territory for the years 2000-2020, through the multiple linear regression, with the help of the statistical program SPSS® of the company IBM© and the spreadsheets of Microsoft Office Excel®. In the results obtained, the coefficients of determination (R2) were used for the reliability of the models with values approaching 0.671 as well as the normalized beta coefficients (beta) that were used to quantify the effect of the respective parameters on the amount of burned land. The respective values are given in the form of tables, bar graphs and trend diagrams in the section "Statistical Analysis of Hydro-meteorological Parameters" (p. 66). The usefulness of these results is the study of the increase or/and decrease of the burned areas due to the change of the parameters in the long run and the estimation for the future behavior of the fires due to climatic disturbances. Finally, as a future research, it is proposed to focus on specific areas of Greece where the effects of forest fires are intensifying, with an additional study on the types of burned vegetation, in order to find the fuel that aggravates the problem.

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