From: Estimation of solar radiation from cloud cover data of Bangladesh
# | Annual models | Equations | R 2 |
---|---|---|---|
1 | Linear | \(H/H_0=0.4256 (S/S_0)+ 0.2199\) | 0.8888 |
2 | Quad. | \(H/H_0=0.749(S/S_0)^2- 0.3752(S/S_0)+ 0.417\) | 0.8920 |
3 | Cubic | \(H/H_0=3.1987(S/S_0)^3- 4.4223(S/S_0)^2+2.3158(S/S_0)- 0.0306\) | 0.8899 |
4 | Expo. | \(H/H_0=0.2673\exp [0.9422(S/S_0)]\) | 0.8913 |
5 | Log. | \(H/H_0=0.2152\ln (S/S_0) +0.5916\) | 0.8729 |
6 | Power | \(H/H_0 = 0.6093(S/S_0)^{0.478}\) | 0.8804 |