Spatial Distribution and Temporal Trends of Rainfall Erosivity in Three Gorges Reservoir Area of China

Table 4

Temporal trends of annual, seasonal, and monthly R factors for TGRA and each station.

Station	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Spring	Summer	Autumn	Winter	Annual
TGRA	1.49	2.58	−0.70	0.71	−0.15	1.61	1.35	−0.05	−1.90	−0.60	−0.70	0.12	−0.55	1.28	−2.03	1.72	0.06
Suining	−0.68	0.03	−1.80	−2.00	0.17	3.41	1.01	1.85	−2.40	−3.60	−0.31	0.50	−2.75	2.44	−2.07	−0.62	1.04
Shapingba	−0.21	1.77	0.05	1.46	0.36	2.84	1.14	−0.60	−3.80	−0.65	1.93	−1.53	0.65	1.38	−2.18	0.61	0.00
Cuntan	−0.37	−0.32	−0.18	0.78	0.70	1.85	0.68	1.92	−2.50	−0.49	−0.24	0.32	0.18	1.88	−1.30	0.36	0.31
Qingxichang	−0.80	−0.18	−2.50	−0.31	−0.88	−1.48	2.94	−3.00	−4.20	−1.58	−2.10	0.26	−0.94	−0.07	−2.61	−0.18	−1.61
Daxian	0.03	0.32	−0.05	−2.00	3.57	2.16	2.57	1.43	−3.50	0.99	1.07	1.19	1.01	1.61	−1.19	0.22	0.41
Liangping	0.84	0.19	−1.69	−1.28	−0.32	2.63	−1.12	0.44	−2.50	−0.11	−0.50	−1.51	−0.81	0.34	−1.46	−0.74	−0.93
Wanyuaun	0.00	−1.10	−1.07	−2.30	2.83	2.65	4.78	1.07	−2.30	0.39	−2.10	0.39	0.42	2.66	−0.99	−0.28	−0.67
Zhongxian	0.08	−0.91	−2.60	1.74	−0.05	0.60	−1.09	0.70	−1.93	−1.74	−1.74	−1.33	−0.54	−0.13	−0.95	−1.45	−0.62
Shizhu	1.98	0.84	−3.80	2.31	0.23	−0.16	0.63	1.80	−3.70	0.16	1.61	0.65	−0.05	0.94	−1.12	0.69	0.41
Wanxian	−0.28	0.78	−4.50	−1.58	−1.33	2.96	−2.50	1.64	−1.06	1.02	−0.28	−1.43	−1.22	0.13	−0.44	−0.42	−0.67
Longjiao	−0.26	1.45	−2.00	0.68	−0.62	4.26	−1.43	4.19	−1.38	3.33	0.44	1.32	−0.16	2.10	−0.19	0.60	1.61
Banqiao	−2.00	0.08	−1.16	−0.06	−2.20	0.98	0.15	−1.78	−5.30	−3.80	−1.70	−2.70	−1.00	0.21	−3.65	0.60	−1.55
Lvcongpo	3.38	2.86	2.27	1.48	−5.30	−2.50	−0.03	−0.41	−4.80	−3.30	−3.20	3.14	−1.25	−0.47	−2.87	4.29	−1.56
Enshi	2.52	0.89	−1.82	0.88	2.05	−0.52	0.49	−1.33	−3.60	−0.57	−0.73	−0.05	0.26	−0.54	−1.56	0.31	−1.09
Fengjie	0.21	−0.08	−2.50	−0.80	−3.10	2.70	3.64	0.00	−1.82	−1.40	−0.97	0.26	−1.85	−0.54	−1.07	−0.16	0.08
Badong	0.42	3.78	−1.19	2.42	−0.62	−1.07	0.10	1.43	−2.20	−0.68	−2.30	−0.23	−0.24	−0.54	−1.12	1.65	−0.13
Wuxi	−0.06	0.68	−1.80	1.58	−1.04	2.75	0.16	−2.10	−1.45	−0.68	1.01	−1.51	0.28	0.32	−0.49	−0.74	0.10
Zigui	−0.22	2.81	0.27	0.74	1.28	−0.65	4.34	3.98	−1.95	−0.45	0.63	0.00	0.39	1.94	−0.42	0.62	1.40
Wufeng	0.52	4.95	−0.11	1.54	0.68	−1.49	1.28	−0.16	−3.20	−1.09	0.36	1.40	0.58	0.32	−2.00	2.92	0.05
Xingshan	1.33	2.79	0.00	3.44	0.65	1.85	0.97	3.36	−3.30	−0.65	−1.80	−2.20	1.06	1.27	−1.32	0.94	1.09
Fangxian	0.58	1.51	−1.53	0.31	2.60	0.70	1.75	−0.75	−1.25	−1.58	−0.29	0.00	1.20	0.55	−1.22	0.97	0.23
Sandouping	0.26	0.76	−0.39	−0.85	−0.38	0.28	0.72	0.87	0.13	0.24	−1.87	−1.44	−1.75	0.03	0.73	−0.82	−0.31
Yichang	0.99	3.36	−0.23	−0.39	0.29	0.81	0.52	1.14	1.72	−0.42	−0.29	−0.24	0.02	0.45	0.63	1.67	0.42
Laohekou	2.10	1.17	2.05	−1.92	1.62	4.04	3.12	2.49	−3.00	−0.67	−2.60	1.45	0.32	2.05	−2.18	1.38	0.68

^,Statistically significant at 0.01 and 0.05 significance levels, respectively.