Spatiotemporal Characteristics of Evapotranspiration Paradox and Impact Factors in China in the Period of 1960–2013

Table 1

Change trends of temperature and potential evapotranspiration (ET₀) in China.

	ET0						Temperature
	1960–2013		1960–1999		2000–2013		1960–2013		1960–1999		2000–2013
								(%)		(%)		(%)
China	−3.9^*	59.1	−14.78^**	75.1	10.08	43.7	0.24^**	97.8	0.21^**	90	−0.08	41.4
YaRB	−2.51	58.7	−17.64^**	86	52.27	16.8	0.18^**	96.5	0.07	74.3	0.16	62.2
SERB	3.61	60.7	−20.93^**	89.3	19.37	21.4	0.21^**	100	0.1	92.9	−0.14	46.4
HaRB	−9.21^**	75.8	−18.08^**	84.8	−17.05	72.7	0.28^**	97	0.3^**	97	−0.41	39.4
HuRB	−5.95	60.5	−8.16	65.8	−17.24	60.5	0.2^**	97.4	0.17^*	97.4	−0.1	39.5
YeRB	1.02	61.2	−5.94	55.2	−6.22	53.7	0.27^**	97	0.23^**	98.5	−0.1	13.4
LRB	−10.68^*	52.8	−12.67	80.6	−78.2	86.1	0.23^**	100	0.31^**	100	−0.51	2.7
SRB	−4.04	70.9	−3.77	58.2	−74.26	90.9	0.33^**	100	0.44^**	98.2	−0.36	27.3
NWRB	−11.13^**	69.1	−27.65^**	81.4	26.69	39.2	0.34^**	99	0.31^**	94.8	0	45.4
SWRB	3.89	48.6	−3.26	60	102.4	5.7	0.28^**	100	0.22^**	88.6	0.4	97.1
PRB	−1.01	44.8	−14.65^**	76.1	5.74	43.3	0.14^**	98.5	0.11^**	88.1	−0.28	25.4

slope of ET₀ (mm per decade); percent of downward (%); slope of temperature (°C per decade); percent of upward; ^* = 0.05, ^** = 0.01, the significance in 2000–2013 was not calculated because of the short time.