Fig 1.
Study sites.
Table 1.
Basic characteristics of the monitoring sites.
Table 2.
Characteristics of the rainfall events (n = 10).
Fig 2.
Pollutant wash-off process curves in NS, DLS and TS.
Table 3.
Basic statistics of runoff pollution EMCs and EPLs in all storm events.
Fig 3.
The indicator MFFn used to identify the first flush effect in NS.
Fig 4.
The indicator MFFn used to identify the first flush effect in DLS and TS.
Table 4.
Statistical summary of FF30, FF40, FF50 and FF60 for TN, TP, COD and TSS.
Table 5.
Correlations between EMCs, FF40, rainfall and catchment characteristics.
Fig 5.
PCA biplots for the FF40 dataset.
Table 6.
Multiple linear regression results for the storm pollution loads of FF40 (|FF40|) of Tongsha reservoir watershed.