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Within the paper the analysis of surface run off in the specific area of urban catchment is presented. The measurement data are coming from seven meteorological stations from Vanvouver region close to the Fraser River mouth in British Columbia, Canada. It was showed that the largest influence of precipitatio non surface run off is in winter respectively in December and January, whereas in other month...
The aim of the paper is to compare two methods of estimation main meteorological elements annual course - polynomial function and Fourier function. Long-term mean monthly data of Ursynów Warsaw Agricultural University meteorological station was used in the analysis: air temperature, maximum and minimum air temperature, amplitude of the temperature, vapor pressure, saturation deficit and relative humidity...
The paper presents relation between evaporation stated by two different and independent methods: calculated one on the basis of profile meteorological elements measurement and pan evaporation. The relationship between daily amounts of these kind of evaporation strong and for short period (i.e. 30 minute amounts) has two.
The study was aimed to compare the suitability of selected statistical methods for estimation of the equations describe seasonal course of evaporation in Ursynów. Three method was considered: harmonical regression, Fourier spectral analysis and polynomial regression. Chart of the functions analysis and correlation coefficients comparision shows the best fitting for polynomial equations.
The paper presents analysis of influence meteorological elements on winter wheat yield in selected research stations of Polish Lowland: Kościelec, Sulejów and Zybiszów. Warm years and wet years were selected of all long-term data independently and regression equations were worked out for these two types of years. The influence of precipitation distribution during last phenological periods of crop...
Jednym z czynników obiegu wody i energii w przyrodzie jest parowanie. Wchodzi ono w skład równań bilansu hydrologicznego i bilansu energetycznego będąc ich jedynym wspólnym składnikiem. Przedmiotem opracowania jest znalezienie funkcji opisującej przebieg wielkości parowania z ewaporometru Piche'a i z ewaporometru Wilda w półroczu ciepłym. Dane o wielkości parowania pochodzą z codziennych obserwacji...
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