TABLE 1.

Characteristics of freshly collected sediments

LocationWater depth (m)Bottom water temp (°C)O2 penetration deptha (cm)NO3 penetration depthb (cm)Max NO3 concnc (μM)
Aarhus Bay station 6166.50.3 ± 0.11.219
Skagerrak S638060.6 ± 0.31.5-315
Skagerrak S96955.51.7 ± 0.62-435
  • a Mean ± standard deviation; n = 3 or 4.

  • b Range of two or three profiles.

  • c Highest NO3 concentrations observed in pore water profiles. The maxima were typically located near the depth of oxygen depletion.