Results of MK and Pettitt tests for regional annual precipitation
| Sub-basin . | MK test . | Sequential MK test . | CUSUM test . | |
|---|---|---|---|---|
| Z . | Trend . | T . | T . | |
| Huaihe River Basin (HRB) | −1.15 | ↓ | – | – |
| Huaihe River System (HRS) | −0.63 | ↓ | – | – |
| Yishusi River System (YRS) | −2.52* | ↓ | 1967 | 1971, 1975 |
| Sub-basin . | MK test . | Sequential MK test . | CUSUM test . | |
|---|---|---|---|---|
| Z . | Trend . | T . | T . | |
| Huaihe River Basin (HRB) | −1.15 | ↓ | – | – |
| Huaihe River System (HRS) | −0.63 | ↓ | – | – |
| Yishusi River System (YRS) | −2.52* | ↓ | 1967 | 1971, 1975 |
*Delineates significance at 0.05 significance level.