A Simple Semi-Empirical Model for the Estimation of Photosynthetically Active Radiation from Satellite Data  in the Tropics

<table>GUV radiometers and locations of the measuring stations. A, B, C, and D indicate the main regions of Thailand, namely, northern region, northeastern region, central region, and southern region, respectively.</table>

International Journal of Photoenergy

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Figure 2

Figure 2: A Simple Semi-Empirical Model for the Estimation of Photosynthetically Active Radiation from Satellite Data  in the Tropics 