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Table 4 Comparison of water quality at Lake Jingpo for different rainfall periods

From: Impact of spring freshet flooding and summer rainfall flooding on the water quality of an alpine barrier lake

 Inflow from Mudanjiang to lake (m3)Longest diffusion distance (km)The increase in concentration of four parameters (mg/L)
TNTPCODMnNH4-N
Spring freshet4.81 × 10816.31.000.162.40.64
Rainfall flood29.77 × 10833.12.60.364.21.1
30-year frequency rainfall flood58.4 × 10843.62.80.395.61.2