Research Article
Retrieval of Layer Averaged Relative Humidity Profiles from MHS Observations over Tropical Region
Table 3
Testing of algorithms with overlapping layers.
| Local inc. angle (degree) | Algorithm | WV range (g/cm2) | Retrieval errors of layer-average RH (RH in %) (simulated data = 12296) (overlapping layers) | Profile RMSS (%) | Aggr error (%) | 1000–550 hPa | 1000–400 hPa |
850–400 hPa | 850–250 hPa | 700–250 hPa | 700–100 hPa | 550–100 hPa |
| 0 | NORM | 0.0–10.0 | 11.82 | 8.00 | 8.30 | 4.50 | 4.00 | 6.23 | 6.76 | 7.50 | 7.50 | WVD | 0.0–3.0 | 8.87 | 5.64 | 5.34 | 3.24 | 3.14 | 5.56 | 6.15 | 5.71 | 5.19 | 2.0–5.0 | 7.47 | 4.92 | 5.72 | 3.08 | 3.60 | 5.93 | 6.61 | 5.53 | 4.0–7.0 | 6.30 | 4.70 | 5.21 | 3.32 | 3.55 | 5.68 | 6.46 | 5.16 | 6.0–10.0 | 4.93 | 3.69 | 3.89 | 2.82 | 3.78 | 4.68 | 5.40 | 4.25 |
| 25 | NORM | 0.0–10.0 | 11.57 | 7.79 | 8.06 | 4.39 | 3.97 | 6.18 | 6.70 | 7.34 | 7.34 | WVD | 0.0–3.0 | 8.75 | 5.57 | 5.35 | 3.23 | 3.14 | 5.53 | 6.09 | 5.66 | 5.20 | 2.0–5.0 | 7.64 | 5.03 | 5.72 | 3.10 | 3.59 | 5.89 | 6.55 | 5.56 | 4.0–7.0 | 6.41 | 4.80 | 5.31 | 3.39 | 3.56 | 5.63 | 6.40 | 5.20 | 6.0–10.0 | 5.12 | 3.76 | 3.85 | 2.79 | 3.69 | 4.66 | 5.38 | 4.26 |
| 50 | NORM | 0.0–10.0 | 11.25 | 7.54 | 7.61 | 4.21 | 3.88 | 5.97 | 6.48 | 7.09 | 7.09 | WVD | 0.0–3.0 | 8.30 | 5.29 | 5.19 | 3.13 | 3.13 | 5.38 | 5.88 | 5.44 | 5.23 | 2.0–5.0 | 8.32 | 5.52 | 5.88 | 3.24 | 3.56 | 5.73 | 6.34 | 5.74 | 4.0–7.0 | 6.78 | 5.21 | 5.77 | 3.65 | 3.77 | 5.44 | 6.15 | 5.36 | 6.0–10.0 | 5.54 | 4.02 | 3.98 | 2.61 | 3.34 | 4.53 | 5.21 | 4.28 |
| Swath performance | NORM | 7.31 | WVD | 5.60 | Imp. (%) | 23.38 |
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