Spatio-Temporal Variability and Trends of Penman-Monteith Reference Evapotranspiration (FAO-56) in 1971-2010 under Climatic Conditions of Poland

作者: Leszek Łabędzki , Bogdan Bąk , Karolina Smarzyńska

DOI: 10.15244/PJOES/27816

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摘要: The trends of the seasonal (April-September) and monthly reference evapotranspiration time series were analyzed using linear regression. In addition, air temperature sunshine hours also investigated to show possible causes increase in evapotranspiration. spatial variability was lower than temporal is similar distribution precipitation area Poland. highest recorded region with lowest rainfall. statistically significant increasing determined at each station 1971-2010. growing season sum evapotranspiration, averaged over 18 stations, 30 mm per 10 years. can be explained by hours.

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