Research Article

Analysis of Changes in Precipitation and Drought in Aksu River Basin, Northwest China

Table 7

Results of the statistical tests for seasonal and annual precipitation during the period 1960–2010.

StationTestSeason
SpringSummerAutumnWinterAnnual

Aksu0.3410.7801.6731.1541.495
0.2950.9521.6961.2641.690
0.0840.1450.2530.1250.603

Aheqi0.3091.0562.209*0.7392.819*
0.4341.1062.338*0.5293.026*
0.2060.6951.1030.0552.062

Alar−0.5201.592−0.3901.9471.129
−0.5671.793−0.3252.152*1.159
−0.0410.253−0.0570.0830.235

Baicheng0.3902.713*2.266*2.112*2.193*
0.3923.029*2.444*2.214*2.620*
0.0890.6240.5480.1661.427

Keping0.2442.372*2.429*1.3572.875*
0.4042.567*2.552*1.4833.300*
0.0970.7520.3510.1131.313

Kuche0.4301.8520.4232.145*2.494*
0.4162.050*0.2632.274*2.743*
0.0930.3310.0230.1410.585

Turgat0.1951.5031.1941.8031.527
0.2831.3791.2251.8741.667
0.0520.5790.2700.0990.973

Wuqia−0.2601.4621.6980.0651.251
−0.3421.5991.5790.0621.281
−0.1290.7960.3650.0141.054

Kashi−0.1951.1212.527*0.3901.129
−0.2231.1502.547*0.4991.055
−0.0670.1820.2970.0410.466

: Mann–Kendall test, : Spearman’s Rho test, and : slope of linear regression.
Bold characters represent trends identified by 2 statistical methods together.
*Statistically significant trends at the 5% significance level.