From: Estimation of solar radiation from cloud cover data of Bangladesh
Models | Regression equations | Source |
---|---|---|
Linear | \(H/H_0= a + b (S/S_0)\) | |
Quadratic | \(H/H_0 = a + b (S/S_0) + c (S/S_0)^2\) | Akinoglu and Ecevit (1990) |
Third degree | \(H/H_0 = a + b (S/S_0) + c (S/S_0)^2 + d (S/S_0)^3\) | Ertekin and Yaldiz (2000) |
Logarithmic | \(H/H_0 = a + b\cdot \log (S/S_0)\) | Ampratwum and Dorvlo (1990) |
Exponential | \(H/H_0 = a\cdot \exp [b\cdot (S/S_0)]\) | Almorox and Hontoria (2004) |
Power | \(H/H_0 = a\cdot (S/S_0)^b\) | Sen (2007) |