Weather : Some clouds / W wind 4 bft/ Rain 3.8 mm
Divers :Mark / Joris / Axel
Goal : Measure visibility with baseline measure card and yellow car, Photoshoot, Made fixed photo point
Max depth : 7.5 mtr
Duration : 40 minutes
Air temp : 12 celsius
Water temp : 6.4 celsius
Thermocline : none
Fish : a cloud of freshwater shrimp near piles.
Plants : Waterweed (Elodea canadensis) range 1-4 mtr depth, some brown leaves
Visibility BC*: At 6 mtr depth 7.5, at 3 mtr depth 10
Visibility YC*: At 6 mtr depth 10.0, at 3 mtr depth 11
Remarks : < 5 divers in the water.
BC= Baseline viz card.
YC= Yellow viz card.
The more light there is the less difference you get between BC en YC.