Table 4 The trends of precipitation over 1958–2001 from the RegCM and the extrapolation data in different sub-regions and their corresponding results of MK test.
Region | Dataset | Annual Precipitation (mm) | K (mm/a) | Mutation Year | Precipitation Before Mutation (mm) | Precipitation After Mutation (mm) | Mutation Ratio |
|---|---|---|---|---|---|---|---|
Northern Xinjiang | NCEP-RegCM | 177.51 | 0.21 | ||||
ERA40-RegCM | 191.72 | 0.27 | |||||
CRU | 149.61 | 0.63 | |||||
WM | 173.37 | 1.24* | 1989 | 162.03 | 200.41 | 1.24 | |
APHRO | 148.40 | −0.23 | |||||
Southern Xinjiang | NCEP-RegCM | 71.36 | 0.08 | ||||
ERA40-RegCM | 90.07 | 0.49* | 1973 | 82.42 | 94.02 | 1.14 | |
CRU | 83.80 | 0.11 | |||||
WM | 60.66 | 0.78* | 1988 | 53.75 | 75.48 | 1.40 | |
APHRO | 62.76 | 0.46* | |||||
Tianshan | NCEP-RegCM | 355.69 | −0.86 | ||||
ERA40-RegCM | 399.88 | 0.30 | |||||
CRU | 281.54 | −0.31 | |||||
WM | 291.10 | −0.11 | |||||
APHRO | 300.39 | −0.33 |
