Santa Cruz Wharf
Wednesday, June 19, 2024
* Quick HAB Observations *
– Pseudo-nitzschia: Common
– Alexandrium: Common
– Dinophysis: Present
– Margalefidinium: Rare
* Impressions *
Another cool morning at the wharf, with the marine layer starting to burn off inland. Water was calm and very clear (visibility >10ft). The phytoplankton assemblage shifted a bit and was mostly dinoflagellates this week. Phytoplankton biomass decreased. Alexandrium was the most abundant, but the cell concentrations decreased by half from last week. 2-3 cell chains of Pseudo-nitzschia were seen, both seriata and delicatissima size, but no P. australis or P. multiseries were detected in the probed counts.
Dinoflagellates:
C: Alexandrium
P: Protoperidinium
P: Dinophysis
P: Ceratium
P: Prorocentrum
P: LRB
P: Akashiwo
R: Gymnodinium
R: Margalefidinium
R: Polykrikos
R: Boreadinium
R: Gyrodinium
R: Oxyphysis
Diatoms:
C: Chaetoceros
C: Pseudo-nitzschia
P: Thalassiosira
P: Guinardia
P: Lauderia
P: Fragilariopsis
R: Eucampia
R: Coscinodiscus
R: Thalassiothrix
R: Asteromphalus
R: Skeletonema
R: Leptocylindrus
R: Entomoneis
R: Ditylum
R: Pleurosigma
R: Licmophora
R: Proboscia
R: Rhizosolenia
Other:
R: Dictyocha
R: flagellates
* Environmental Information *
Time: 9:00 am
Collector: M. Conci
Water Conditions (SCW)
Water Temperature: 14.2 C
Water Conditions: Calm
Water Color/Code: Green, 10GY 3/4 (#29)
Water Visibility: >10 ft
Tide: Rising, High – 10:46, 3.2 ft
Surf Report: NW swell, 3-4 ft
Weather Conditions (KudelaHawk)
Sky: Overcast/marine layer
Air Temperature: 52.3 F (11.3 C)
Wind: 2 mph, ESE
Solar radiation: 184 watts/m^2
Monterey Wharf II
Wednesday, June 19, 2024
* Quick HAB Observations *
– Pseudo-nitzschia: Present
– Alexandrium: None
– Dinophysis: Rare
– Margalefidinium: Rare
* Impressions *
The wharf this morning was slightly breezy. The sky was partly cloudy with the sun trying to break through the clouds. The surface of the water had ripples and small waves. The water this week was the same color as last week with a visibility of 6.5m. Chlorophyll decreased from last week. Diatoms dominated the water column. Chaetoceros was abundant in the water. Pseudo-nitzschia, Guinardia, and Eucampia were common. The HAB species that were observed in the water this morning included Pseudo-nitzschia, Cochlodinium, Dinophysis and Akashiwo sanguinea.
Dinoflagellates:
R: Akashiwo sanguinea
R: Prorocentrum spp.
R: Dinophysis spp.
R: Gonyaulax spinifera
R: Protoperidinium spp.
R: Scrippsiella spp.
R: Gyrodinium spp.
R: Cochlodinium spp.
R: Oxyphysis
R: Pyrophacus spp.
R: Amylax
Diatoms:
A: Chaetoceros spp.
R: Thalassiosira spp.
R: Coscinodiscus spp.
P: Pseudo-nitzschia spp.
P: Guinardia spp.
R: Pleurosigma spp.
R: Rhizosolenia spp.
R: Thalassionema spp.
R: Lauderia spp.
R: Navicula spp.
R: Cylindrotheca spp.
R: Licmophora spp.
R: Odontella spp.
R: Leptocylindrus spp.
R: Asterionellopsis spp.
R: Detonula spp.
P: Eucampia
R: Entomoneis
R: Lioloma
Others:
R: Sponge spicule
Zooplankton:
R: fecal pellets, nauplii, tintinnids, calanoids, fish larvae, eggs
* Environmental Information *
TIME:0715 PT
COLLECTOR: Hannah McGrath
Water Temperature: 14.6°C
Water Conditions: ripples and small waves
Water Color: 5G 2/6
Visibility: 6.5 m
Tide: Rising, 0.40m, high at 1052 h
Chlorophyll: 0.306mg/m^3 by in vivo RFU
Sky: sunny/ clear skies, 50% cloud
Air Temperature: 11.11°C
Wind: offline, 2.24m/S
Rare (R): <1% ~~~ Present (P): 1 – 9% ~~~ Common (C): 10 – 49% ~~~ Abundant (A): >= 50%