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CHLOROPHYLL.
Chlorophyll shows an overall increase in concentration throughout the day. At 08:30 Chlorophyll concentration was at its lowest (0.154 µmol/L). This increased for the next hour however at 10:00 concentration decreased to 0.221 µmol/L, this could possibly be due to the lack of photosynthetic active radiation due to there being 100% cloud cover. At 11:00 Chlorophyll concentration peaks at 1.6 µmol/L, at this point cloud cover had reduced resulting in a higher amount of PAR. After the peak there is a visible decrease in chlorophyll concentration.
Figure 2.4. Vertical profile of the chlorophyll and nutrients (Nitrate and Silicon) concentration [ugL-1] vs depth (m) for station 16.
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