zondag 26 februari 2012

2012-02-26 10:09 hbos

Weather     : overcast / NW wind 3 bft / Rain 0.0 mm / 1025 hpa
Divers        : Thijs / John / Koos / Guido / Axel
Goal          : Viz measure at reel.
Max depth  : 9.4
Duration     : 43 minutes
Air temp     : 8.5 celsius
Water temp: 3.6 celsius minimum
Thermocline: none
Fish           : Clouds of shrimp at 6 mtrs on two claybolders (one with the hole in it)
Plants        : Found a new runner at 5 mtrs of a Curly pondweed.... and Sponges with Nodes!!!!!      3 Giant Amphipods, and common Amphipods. See photo's
Visibility     :  5 mtrs at 6 mtrs of depth.
Remarks     :  > 10 divers in water.

zaterdag 25 februari 2012

2012-02-19 11:05 hbos

Weather     : Heavy overcast / WNW wind 4 bft / Rain 0.2 mm / 1019 hpa
Divers        : Thijs / Ralph / Axel
Goal          : GPS buoy and check on bottomframe pontoon /  Meet & Greet Baseline hbos
Max depth  : 18.5
Duration     : 39 minutes
Air temp     : 3 celsius
Water temp: 2.8 celsius minimum
Thermocline: none
Fish           : 1 Eal, 1 Ruffe and 1 Perch laying very still on bottom.
Plants        : Waterweed (Elodea canadensis) but shortened to about 10 cm max in height, found at depths of 18 mtrs
Visibility     :  5 mtrs at 3 mtrs of depth.
Remarks     :  > 10 divers in water.

2012-02-18 12:00 hbos

Weather     : Heavy overcast / ZW wind 5 bft / Rain 2.5 mm
Divers        : Ted / Thijs / Ferry / Axel
Goal          : GPS clayboulder reef near Paviljoen Meet & Greet Baseline hbos
Max depth  : 14.0
Duration     : 33 minutes
Air temp     : 6.8 celsius
Water temp: 2.8 celsius minimum
Thermocline: none
Fish           : Eal, Pike
Plants        : Waterweed (Elodea canadensis) but shortened to about 10 cm max in height, found at depths of 14 mtrs
Visibility     :  5 mtrs at 3 mtrs of depth.
Remarks     :  > 10 divers in water.

zondag 12 februari 2012

2012-02-12 10:40 hbos

Weather     : High overcast / ENE wind 2 bft / Rain 0 mm / 1031.7 Hpa
Divers        : Mark / John / Axel
Goal          : Icedive just a look around under Paviljoen
Max depth  : 9.0
Duration     : 30 minutes
Air temp     : -0.1 celsius
Water temp: 2.8 celsius minimum
Thermocline: none
Fish           : none
Plants        : Waterweed (Elodea canadensis) but shortened to about 10 cm max in height.
Visibility     :  6.5 mtrs at measurepoint 6 mtrs of depth.
Remarks     :  < 5 divers in water.

2012-02-11 11:03 hbos

Weather     : Sunny/ ENE wind 2 bft / Rain 0 mm / 1037,2 Hpa
Divers        : Ted / Gery / Alex / Martien / Axel
Goal          : Icedive,  measure visibility at 6 mtrs
Max depth  : 7.1
Duration     : 41 minutes
Air temp     : -8.0 celsius
Water temp: 2.8 celsius minimum
Thermocline: none
Fish           : Only a
Plants        : Waterweed (Elodea canadensis) but shortened to about 10 cm max in height.
Visibility     :  6.5 mtrs at measurepoint 6 mtrs of depth. With Yellow plate 8 mtrs
Remarks     :  < 5 divers in water. Common fishleach kissing the icefloor. Once it sensed movement it became very active and prone to get my finger. On the piles the mussels have disappeared up to a depth of 8 mtrs. On the bottom around the piles the mussels have piled up.