Irradiance measurements observed show an exponential decline over the sampling depths, as with the other stations approaching 0 nearing 30m depth. A well-defined thermocline is observabble at approximately 18-19m, slightly deeper than previous stations. Salinity, fluorescence, and CDOM measurements became more variable around the thermocline and showed a generally increasing trend. Salinity showed most variation from 17 m through 30 m, becoming more stable and returning to concentrations similar to that measured at the surface below about 35m. Fluorescence showed a defined peak at the thermocline, then showed a gradual decrease from an average of 0.120 mg/m3 to near 0.105 mg/m3 at 50 m depth.

Nitrate remained almost constantly around 0.0µmol/L whereas nitrate and silicate show a significant spike at about 15m before dropping back to surface concentrations, then increasing again below 25m.

C7