Error Analysis and Evaluation of the Latest GSMap and IMERG Precipitation Products over Eastern China

Table 6

Statistics of extreme precipitation indices for the eight river basins over eastern China.

Basins		GSMap-gauged			GPM IMERG
		CC	RB (%)	RMSE	CC	RB (%)	RMSE
Songhua River	RR99P	0.42	−17.60	5.90	0.52	21.45	7.19
	RR95P	0.71	−11.75	1.61	0.69	−4.89	1.45
	R20	0.46	−38.90	2.49	0.52	15.15	1.74
	R20TOT	0.44	−41.84	81.51	0.54	42.77	84.96
	CWD	0.48	20.83	2.28	0.09	−3.67	2.12
	CDD	0.71	3.05	11.41	0.40	10.32	19.49
Haihe River	RR99P	0.77	−8.93	3.99	0.59	12.63	6.11
	RR95P	0.62	−2.24	1.07	0.32	0.05	1.60
	R20	0.80	−13.31	1.34	0.60	11.91	1.71
	R20TOT	0.85	−16.60	43.18	0.70	27.80	70.79
	CWD	0.22	20.98	1.44	0.25	−3.64	1.07
	CDD	0.33	−1.84	13.55	0.16	−2.15	16.58
Huaihe River	RR99P	0.80	−5.43	6.84	0.82	7.83	6.98
	RR95P	0.91	3.31	1.65	0.86	2.07	2.04
	R20	0.90	−0.53	1.68	0.83	0.47	2.18
	R20TOT	0.94	−6.98	64.39	0.90	8.72	82.28
	CWD	0.63	16.69	1.63	0.43	−4.68	1.54
	CDD	0.68	−4.79	6.21	0.36	−0.49	8.84
Yellow River	RR99P	0.88	−10.10	3.91	0.71	3.91	5.66
	RR95P	0.89	−3.59	1.35	0.70	−13.30	2.46
	R20	0.87	−15.22	1.64	0.77	−0.24	1.93
	R20TOT	0.89	−19.85	49.73	0.77	16.56	66.94
	CWD	0.81	9.29	1.36	0.62	−10.11	1.70
	CDD	0.45	−1.17	12.48	−0.22	40.36	39.43
Yangtze River	RR99P	0.78	−14.52	10.30	0.79	20.07	14.58
	RR95P	0.91	−8.69	3.07	0.85	−2.76	4.34
	R20	0.92	−11.17	3.90	0.87	−5.00	4.05
	R20TOT	0.92	−18.42	172.60	0.90	11.92	178.04
	CWD	0.60	25.76	3.13	0.19	−6.89	2.54
	CDD	0.86	−3.98	7.75	0.55	39.08	26.31
Pearl River	RR99P	0.69	−15.63	14.81	0.53	30.10	23.71
	RR95P	0.80	−10.56	4.28	0.83	−0.34	3.51
	R20	0.83	−9.88	4.62	0.83	−12.48	4.72
	R20TOT	0.82	−18.49	258.00	0.81	9.24	205.10
	CWD	0.53	22.21	3.81	0.50	−22.53	3.42
	CDD	0.64	−3.00	6.22	0.52	15.18	9.39
Southeast River	RR99P	0.38	−19.55	15.11	0.31	9.42	13.35
	RR95P	0.80	−13.23	4.92	0.75	−1.00	3.22
	R20	0.75	−9.83	4.77	0.49	−3.77	5.07
	R20TOT	0.77	−20.89	292.03	0.66	0.43	201.83
	CWD	−0.11	38.87	4.64	0.08	3.39	2.22
	CDD	−0.07	4.73	4.10	0.19	5.06	4.32
Liaohe River	RR99P	0.84	−13.93	5.15	0.73	22.90	8.53
	RR95P	0.87	−5.34	1.25	0.81	−4.41	1.80
	R20	0.72	−19.58	1.94	0.75	31.02	2.43
	R20TOT	0.83	−30.26	69.93	0.83	43.34	107.01
	CWD	0.61	29.50	2.40	0.58	−13.71	1.58
	CDD	0.86	−0.26	12.74	0.36	−9.78	25.08