Table 5 ME and RMSE between snow depths estimated using L2 SNR and SNR combination and in situ measurements in the four ranges of satellite elevation angles.
From: A New GPS SNR-based Combination Approach for Land Surface Snow Depth Monitoring
Station | Observations | Accuracy | 10–20° | 15–25° | 5–25° | 10–30° |
|---|---|---|---|---|---|---|
YEL2 | SNR2 | ME/cm | 4.1 | 5.8 | 2.5 | 7.3 |
RMSE/cm | 4.8 | 7.5 | 2.8 | 7.9 | ||
SNR combination | ME/cm | 4.3 | 3.9 | 1.8 | 7.0 | |
RMSE/cm | 4.9 | 4.6 | 2.0 | 7.4 | ||
KIRU | SNR2 | ME/cm | 15.2 | 21.3 | 4.8 | 9.6 |
RMSE/cm | 15.3 | 21.5 | 5.2 | 10.0 | ||
SNR combination | ME/cm | 12.1 | 18.2 | 4.1 | 9.1 | |
RMSE/cm | 12.3 | 18.3 | 4.4 | 9.7 |
