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首页> 外文期刊>Computers & geosciences >FluorMODgui V3.0: A graphic user interface for the spectral simulation of leaf and canopy chlorophyll fluorescence
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FluorMODgui V3.0: A graphic user interface for the spectral simulation of leaf and canopy chlorophyll fluorescence

机译：FluorMODgui V3.0：图形用户界面，用于叶和冠层叶绿素荧光光谱的模拟

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The FluorMODgui Graphic User Interface (GUI) software package developed within the frame of the FluorMOD project Development of a Vegetation Fluorescence Canopy Model is presented in this manuscript. The FluorMOD project was launched in 2002 by the European Space Agency (ESA) to advance the science of vegetation fluorescence simulation through the development and integration of leaf and canopy fluorescence models based on physical methods. The design of airborne or space missions dedicated to the measurement of solar-induced chlorophyll fluorescence using remote-sensing instruments require physical methods for quantitative feasibility analysis and sensor specification studies. The FluorMODgui model developed as part of this project is designed to simulate the effects of chlorophyll fluorescence at leaf and canopy levels using atmospheric inputs, running the leaf model, FluorMODleaf, and the canopy model, FluorSAIL, independently, through a coupling scheme, and by a multiple iteration protocol to simulate changes in the viewing geometry and atmospheric characteristics. Inputs for the FluorMODleaf model are the number of leaf layers, chlorophyll a + b content, water equivalent thickness, dry matter content, fluorescence quantum efficiency, temperature, species type, and stoichiometry. Inputs for the FluorSAIL canopy model are a MODTRAN-4 6-parameter spectra or measured direct horizontal irradiance and diffuse irradiance spectra, a soil reflectance spectrum, leaf reflectance & transmittance spectra and a excitation-fluorescence response matrix in upward and downward directions (all from FluorMODleaf), 2 PAR-dependent coefficients for the fluorescence response to light level, relative azimuth angle and viewing zenith angle, canopy leaf area index, leaf inclination distribution function, and a hot spot parameter. Outputs available in the 400-1000 nm spectral range from the graphical user interface, FluorMODgui, are the leaf spectral reflectance and transmittance, and the canopy reflectance, with and without fluorescence effects. In addition, solar and sky irradiance on the ground, radiance with and without fluorescence on the ground, and top-of-atmosphere (TOA) radiances for bare soil and surroundings same as target are also produced. The models and documentation regarding the FluorMOD project can be downloaded at http://www.ias.csic.es/fluormod.
机译：本手册介绍了在FluorMOD项目“开发荧光冠层模型”框架内开发的FluorMODgui图形用户界面（GUI）软件包。 FluorMOD项目由欧洲航天局（ESA）于2002年启动，旨在通过开发和集成基于物理方法的叶和冠层荧光模型来促进植被荧光模拟的科学。使用遥感仪器专门用于测量太阳辐射引起的叶绿素荧光的机载或太空飞行任务的设计，需要采用物理方法进行定量可行性分析和传感器规格研究。作为该项目的一部分开发的FluorMODgui模型旨在使用大气输入来模拟叶和冠层水平的叶绿素荧光的影响，通过耦合方案独立运行叶模型FluorMODleaf和冠层模型FluorSAIL，并通过多重迭代协议，以模拟观察几何形状和大气特征的变化。 FluorMODleaf模型的输入是叶层数，叶绿素a + b含量，水当量厚度，干物质含量，荧光量子效率，温度，物种类型和化学计量。 FluorSAIL冠层模型的输入是MODTRAN-4 6参数光谱或测得的直接水平辐照度和漫射辐照度光谱，土壤反射光谱，叶片反射率和透射光谱以及向上和向下方向的激发荧光响应矩阵（全部来自2个依赖于PAR的系数，用于荧光对光水平，相对方位角和观察天顶角，冠层叶面积指数，叶倾角分布函数和热点参数的荧光响应。图形用户界面FluorMODgui在400-1000 nm光谱范围内可用的输出是叶片光谱反射率和透射率，以及有无荧光效应的冠层反射率。此外，还会产生地面上的太阳和天空辐射，地面上有无荧光的辐射以及与目标相同的裸露土壤和周围环境的大气（TOA）辐射。有关FluorMOD项目的模型和文档可从http://www.ias.csic.es/fluormod下载。

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