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/cm^2)	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