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Table 1 Tide and weather conditions and average DTN concentration in the TSE during the field campaigns

From: Nitrogen dynamics in a highly urbanized coastal area of western Japan: impact of sewage-derived loads

Year Date Tidal range (m) Tidal condition Air temperature (°C) 24 h antecedent rainfall (mm) Observed lines Average DTN concentration in TSE (mg L−1)
2014 31 Aug 0.8 Ebb-Rising 27–29 0 SU Line 8
2014 18 Oct 0.6 Rising 15–22 0 KH Line 14
SA Line 4a
2015 7 Feb 1.3 Ebb 5–10 0 KH Line 18
2016 18 Sep 1.4 Ebb 25–28 6.5 KH Line 14b
Rising
  1. aAverage annual concentration
  2. bAverage concentration in September 2014 and 2015