CLASSIFICATION OF PRECIPITATION INTENSITY DURING VEGETATION SEASON IN CENTRAL-EASTERN POLAND (1971–2005)
 
 
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Department of Agrometeorology and Land Reclamation, University of Natural Sciences and Humanities, B. Prusa 14, 08-110 Siedlce, Poland
Publication date: 2014-07-01
 
J. Ecol. Eng. 2014; 15(3):51–55
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ABSTRACT
The data used in this paper come from nine IMGW stations from central-eastern region of Poland and they were registered between the years 1971–2005. On the basis of daily precipitation sums analysis during vegetation season, the number of days with precipitation was determined in particular classes. In central-eastern Poland during vegetation season days with very little and little precipitation were noted most frequently. Very little precipitation occurred most frequently in April; little, moderate and moderately strong precipitation - in June, and strong precipitation - in July. Whereas very strong precipitation was noted most frequently in June and July. Days with very little and little precipitation were noted most frequently in northern and north-eastern part of the area examined. While the number of days with moderate, moderately strong and strong precipitation showed little spatial diversity. Very strong precipitation was noted the most frequently in the area of Legionowo and Ostroleka. The number of days with very little precipitation during vegetation season was decreasing in subsequent years of the study. Statistically significant negative directional coefficients of the trend were noted most frequently in April. The number of days with very strong precipitation was also decreasing significantly in most of the stations.