Santa Cruz Wharf
Wednesday, January 10, 2024
* Quick HAB Observations *
– Pseudo-nitzschia: Present
– Alexandrium: None
– Dinophysis: None
– Margalefidinium: None
* Impressions *
Overcast and cold with calm water at the wharf the morning. Net tow was similar to last week, mostly detritus/debris and very little phytoplankton biomass (1cell = Present). Prorocentrum and Thalassiosira were the most abundant in this sparse assemblage. One 4-cell chain of seriata size Pseudo-nitzschia was seen in the net tow, but no P. australis or P. multiseries were seen in the probed counts.
Dinoflagellates:
C: Prorocentrum
P: Lingulodinium
P: Akashiwo
P: Protoperidinium
P: LRBs
Diatoms:
C: Paralia
C: Thalassiosira
P: Chaetoceros
P: Pleurosigma
P: Thalassionema
P: Pseudo-nitzschia
P: Fragilariopsis
P: Asterionellopsis
P: Ditylum
* Environmental Information *
Time: 9:00 am
Collector: M. Conci
Water Conditions (SCW)
Water Temperature: 12.6 C
Water Conditions: Calm
Water Color/Code: Dark green, 5G 2/6 (#31)
Water Visibility: 2 ft
Tide: High – 9:00, 6.7 ft
Surf Report: WNW swell, 5-8 ft
NDBC buoy 46042 (drifting since 25Nov23)
– Significant wave height: NA
– Swell height/direction: NA
– Wind wave height/direction: NA
Weather Conditions (KudelaHawk)
Sky: Overcast
Air Temperature: 42.8 F (6 C)
Wind: 6 mph, W
Solar radiation: 48 watts/m^2
Monterey Wharf
Wednesday, January 10, 2024
* Quick HAB Observations *
– Pseudo-nitzschia: Present
– Alexandrium: None
– Dinophysis: Rare
– Margalefidinium: Rare
* Impressions *
This morning the wharf was chilly. The sky was mostly cloudy. There were no boats docked nearby. The surface of the water had rolling waves. The water this week was a slightly darker green than last week with a visibility of 4.0m. Chlorophyll decreased from last week. Dinoflagellates dominated the water column. Pseudo-nitzschia, Amylax, Protoperidinium, and Ceratium were present. The HAB species that were observed in the water this morning included Pseudo-nitzschia, Dinophysis, Cochlodinium, and Akashiwo sanguinea.
Dinoflagellates:
R: Akashiwo sanguinea
R: Prorocentrum spp.
R: Dinophysis spp.
P: Ceratium spp.
P: Protoperidinium spp.
R: Gyrodinium spp. (pink tipped)
R: Polykrikos spp.
R: Cochlodinium spp.
R: Lingulodinium polyedrum
R: Pyrophacus spp.
R: Amylax
Diatoms:
R: Chaetoceros spp.
R: Thalassiosira spp.
R: Coscinodiscus spp.
P: Pseudo-nitzschia spp.
R: Pleurosigma spp.
R: Thalassionema spp.
R: Lauderia spp.
R: Navicula spp.
R: Cylindrotheca spp.
R: Entomoneis
Others:
R: Dictyocha spp.
Zooplankton:
R: fecal pellets, nauplii, tintinnids, calanoids, fish larvae, eggs
TIME: 0724 PT
COLLECTOR: Hannah McGrath
Water Temperature: 12.5°C
Water Conditions: rolling waves
Water Color: 10GY 2/4
Visibility: 4.0 m
Tide: Rising, 1.91m, high at 08328 h
Chlorophyll: 3.103mg/m^3 by in vivo RFU
Sky: cloudy, 90% cloud
Air Temperature: 7.5°C
Wind: offline, 2.68m/S
Rare (R): <1% ~~~ Present (P): 1 – 9% ~~~ Common (C): 10 – 49% ~~~ Abundant (A): >= 50%