Duration of the pluviometric deficit in Albania


1M.Sc., PhD student, Department of Plant Production, Agricultural University of Tirana, Tirana, Albania

2Prof. Dr., Department of Agro-environment and Ecology, Agricultural University of Tirana, Tirana, Albania

*Corresponding author e-mail: nikgjongecaj@gmail.com

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The pluviometric deficit is the part of water amount evapotranspirated from the field but not getting replaced by the rainfall in a given period of time. That is why the pluviometric deficit could get quantified only when both, the potential evapotranspiration and rainfall are determined quantitatively. However, the pluviometric deficit is made of two dimensions: duration and magnitude. The aim of this paper is to present the results of a study done throughout Albania on the duration of pluviometric deficit. For this, the dependencies of potential evapotranspiration and rainfall, respectively, over time are determined by applying the regression analysis, after the data on sun radiation, temperature, relative humidity, wind speed and precipitation are collected from 56 meteorological stations throughout Albania and over six years. All of these functions are plotted in individual graphs and the duration of pluviometric deficit is determined by equalizing the function of potential evapotranspiration over time with the respective function of rainfall over time. The results are going to be used to classify the Albanian climate on humidity and aridity scales.

Keywords: potential evapotranspiration; rainfall;pluviometric deficit.

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