排水片区末端污水 δ34S 逐时相对偏离比例分布情况分析

The distribution of relative hourly deviation ratio reflects the moderate hourly fluctuation of δ34S in the end sewage of the drainage area during three consecutive monitoring periods of 1-24 hours, 25-48 hours, and 49-72 hours. The statistical results show that the relative hourly deviation ratio falls within the main interval of -13.62% to 15.51%, -8.51% to 11.96%, and -18.06% to 14.87% (with a sample size of over 80%) in the three consecutive monitoring periods.