Barely Significant

Excerpts

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For TP parameters, with the increase in rainfall intensity, the risk of exceeding the water quality standard at the dam site increased from 0.58% to 2.71%, with a slightly increasing trend, while the exceedance rates at the entrance area increased from 2.38%, 1.27% and 12.98% to 31.40%, 23.93%, and 45.89%, with a very obvious increasing trend.
The change in the fitted MCP curve was consistent with the annual precipitation pattern of the region, which is four consecutive months from April to July; the fitted curve showed an increasing trend, indicating that precipitation during this period contributed to the spread of HFMD.