Analysis of Streamflow Trend in the Susquehanna River Basin, USA - Hydrologic Time Series Analysis: Theory and Practice - page 193

Fig. 9.10. Annual maximum streamflows of the Sinnemahoning
Creek at Sinnemahoning, Pennsylvania.
Fig. 9.11. Results of the trend pattern detection in the annual maximum
streamflows of the Sinnemahoning Creek at Sinnemahoning, Pennsylvania.
Upward triangles indicate significant increasing trend at the significance level of
0.05 and downward triangles indicate significant decreasing trend at the
significance level of 0.05.