Santa Cruz Wharf

Wednesday, November 8, 2023

* Quick HAB Observations *
– Pseudo-nitzschia: None
– Alexandrium: Common
– Dinophysis: Rare
– Margalefidinium: None

* Impressions *
Another sunny and cool morning at the wharf.  Swell was pretty decent today.  The net tow was similar to last week and phytoplankton biomass was about the same. Phytoplankton assemblage was mostly dinoflagellates and mostly Prorocentrum.  No Pseudo-nitzschia this week and the Alexandrium cell concentration was similar to last week.

Dinoflagellates:
C: Prorocentrum
C: Alexandrium (not A. catenella)
P: Ceratium

R: Protoperidinium
R: Dinophysis
R: Oxytoxum

Diatoms:
R: Skeletonema
R: Pleurosigma
R: Chaetoceros
R: Thalassionema
R: Thalassiothrix
R: Unknown pennate

Other:
R: Dictyocha

* Environmental Information *
Time: 8:30 am
Collector: M. Conci

Water Conditions (SCW)
Water Temperature: 13.8 C
Water Conditions: Swell
Water Color/Code: Green, 5G 2/6 (#31)
Water Visibility: 4 ft
Tide: Falling, High – 7:27, 4.6 ft
Surf Report: SSW swell, 2-3 ft

NDBC buoy 46042
– Significant wave height: 9.5 ft
– Swell height/direction: 9.2 ft, WNW
– Wind wave height/direction: 1.9 ft, WNW

Weather Conditions (KudelaHawk)
Sky: Sunny
Air Temperature: 53.2 F (11.8 C)
Wind: 4 mph, W
Solar radiation: 272 watts/m^2

Monterey Wharf II

No sample this week

Rare (R): <1% ~~~ Present (P): 1 – 9% ~~~ Common (C): 10 – 49% ~~~ Abundant (A): >= 50%

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