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	Równanie Penmana-Monteitha	Modelowanie Intercepcji Korony Drzew
Dziedzina	Agronomia	Agronomia
Rodzina	Process / pipeline	Process / pipeline
Rok powstania	1948-1965	1971–1979 (foundational models; continuous development since)
Twórca	Howard Latimer Penman, John Monteith	Multiple contributors (Rutter et al. 1971; Gash 1979 for principal analytical frameworks)
Typ	Mechanistic evapotranspiration model	Process-based hydrological model
Źródło pierwotne	Penman, H. L. (1948). Natural evaporation from open water, bare soil and grass. Proceedings of the Royal Society A, 193(1032), 120-145.	Rutter, A. J., Kershaw, K. A., Robins, P. C., & Morton, A. J. (1971). A predictive model of rainfall interception in forests. Agricultural Meteorology, 9, 367–384.
Inne nazwy	PM Equation, FAO-56 PM, Evapotranspiration Model	interception loss modeling, canopy rainfall partitioning, forest interception modeling, throughfall-stemflow modeling
Pokrewne	3	0
Podsumowanie	The Penman-Monteith equation is a mechanistic model for estimating evapotranspiration (ET), the combined loss of water from soil and plant canopies to the atmosphere. First proposed by Penman (1948) for bare soil and water surfaces, then extended by Monteith (1965) to incorporate plant resistance to water vapor diffusion, it has become the international standard for water balance studies, crop water requirement calculation, and hydrological modeling.	Canopy interception modeling quantifies the fraction of rainfall captured by plant canopies and subsequently evaporated back to the atmosphere before reaching the soil. Applied across agronomy, forestry, and hydrology, it partitions gross precipitation into throughfall, stemflow, and interception loss. By linking vegetation structure — particularly leaf area index and canopy storage capacity — to water balance components, the method informs irrigation scheduling, watershed management, and crop water-use estimation.