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Table 5 Identifying result of pollutant load change

From: Characterizing and explaining spatio-temporal variation of water quality in a highly disturbed river by multi-statistical techniques

Change of pollutant load

Increase from point source (UU, UN, UD)

Decrease from point source (DU, DN, DD)

Increase from nonpoint source (NU, DU, DN)

Decrease from nonpoint source (UN, UD, ND)

Number of sites (COD)

1

9

6

2

Number of sites (NH3-N)

1

11

2

3

  1. “U” means significant upward trend, “D” means significant downward trend, “N” means no significant trend. “UD” means significant upward trend in dry season and downward trend in wet season, and other combination patterns were similar
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