Santa Cruz Wharf
Wednesday, January 11, 2023
* Quick HAB Observations *
– Pseudo-nitzschia: Present
– Alexandrium: None
– Dinophysis: Present
– Margalefidinium: None
* Impressions *
Well, 2wks in and its been an eventful 2023… We skipped sampling last week b/c the swell was too big and waves were breaking too close to our sampling location.
This morning there was wind and rain, but we were able to collect water and a net tow. The wharf is definitely in the San Lorenzo River plume, so the visibility was low and the net tow was mostly detritus/debris. Phytoplankton biomass was low (observed less than 100 cells in the dish, 1 cell = P) and diatoms were the dominant group. Thalassiosira was the most abundant genus. Surprisingly, we saw some cells in the probed counts, P. multiseries and Alexandrium.
Dinoflagellates:
C: Akashiwo
C: Ceratium
P: Dinophysis
P: Protoperidinium
P: Gonyaulax
Diatoms:
C: Thalassiosira
C: Pseudo-nitzschia
P: Chaetoceros
P: Navicula
P: Guinardia
P: Stephanopyxis
P: Paralia
P: Pleurosigma
P: Dactyliosolen
P: Odontella
P: Proboscia
P: Coscinodiscus
* Environmental Information *
Time: 9:10 am
Collector: K. Negrey/M. Conci
Water Conditions (SCW)
Water Temperature: 12.2 C
Water Conditions: Large swell
Water Color/Code: Brown/green, 10Y 3/4 (#20)
Water Visibility: 1 ft
Tide: Rising, Low – 6:35, 3.0 ft
Surf Report: W swell, 6-15 ft
NDBC buoy 46042
– Significant wave height: 13.1 ft
– Swell height/direction: 10.8 ft, WSW
– Wind wave height/direction: 7.5 ft, W
Weather Conditions (KudelaHawk)
Sky: Rainy w/wind
Air Temperature: 52.9 F (11.6 C)
Wind: 8 mph, ENE
Solar radiation: 59 watts/m^2
Monterey Wharf II
No sample this week
Rare (R): <1% ~~~ Present (P): 1 – 9% ~~~ Common (C): 10 – 49% ~~~ Abundant (A): >= 50%