Leaf optical system modeled as a stochastic process

作者：Compton J. Tucker, Michael W. Garratt · 发表于：Applied Optics · 年份：1977 · DOI：10.1364/ao.16.000635 · 被引用次数：161 · 研究领域：Leaf Properties and Growth Measurement、Spectroscopy and Chemometric Analyses、Water Quality Monitoring and Analysis

A stochastic leaf radiation model based upon physical and physiological properties of dicot leaves has been developed. The model accurately predicts the absorbed, reflected, and transmitted radiation of normal incidence as a function of wavelength resulting from the leaf-irradiance interaction over the spectral interval of 0.40-2.50 microm. The leaf optical system has been represented as Markov process with a unique transition matrix at each 0.01-microm increment between 0.40 microm and 2.50 microm. Probabilities are calculated at every wavelength interval from leaf thickness, structure, pigment composition, and water content. Simulation results indicate that this approach gives accurate estimations of actual measured values for dicot leaf absorption, reflection, and transmission as a function of wavelength.