Santa Cruz Wharf
Wednesday, September 4, 2024
* Quick HAB Observations *
– Pseudo-nitzschia: None
– Alexandrium: None
– Dinophysis: Common
– Margalefidinium: None
* Impressions *
Marine layer hanging out over the wharf this morning and the bait ball was in the sampling area again this week. Phytoplankton biomass decreased this week. Net tow was mostly dinoflagellates with few diatoms observed. Dinophysis and Oxyphysis were the most abundant this week. No Alexandrium or Pseudo-nitzschia were seen.
Dinoflagellates:
C: Dinophysis
C: Oxyphysis
C: Ceratium
P: LRB
P: Akashiwo
P: Scrippsiella-like
R: Protoperidinium
R: Prorocentrum
R: Polykrikos
R: Gymnodinium
R: Heterocapsa-like
R: Gyrodinium
R: Boreadinium
R: Pyrophacus
Diatoms:
R: Guinardia
R: Eucampia
R: Pleurosigma
R: Thalassiosira
R: Fragilariopsis
R: Licmophora
R: Asteromphalus
Other:
R: Dictyocha
* Environmental Information *
Time: 9:20 am
Collector: K. Negrey
Water Conditions (SCW)
Water Temperature: 15.2 C
Water Conditions: Calm
Water Color/Code: Green/blue, 5BG 2/6 (#15)
Water Visibility: 5 ft
Tide: Rising, High – 12:14, 4.5 ft
Surf Report: NW swell, 1-2 ft
Weather Conditions (KudelaHawk)
Sky: Overcast/marine layer
Air Temperature: 56.3 F (13.5 C)
Wind: 3 mph, E
Solar radiation: 178 watts/m^2
Monterey Wharf II
Wednesday, September 4, 2024
* Quick HAB Observations *
– Pseudo-nitzschia: Abundant
– Alexandrium: Rare
– Dinophysis: Present
– Margalefidinium: Rare
* Impressions *
The wharf this morning was foggy and drizzling. There was no wind. The surface of the water was calm. The water this week was a darker green than last week with a visibility of 4.0m. Diatoms dominated the water column. Pseudo-nitzschia delicatissima was abundant in the water. Akashiwo was common. Protoperidinium, Pyrophacus, and Dinophysis were present. The HAB species that were observed in the water this morning included Pseudo-nitzschia, Alexandrium, Dinophysis, Cochlodinium, and Akashiwo sanguinea.
Dinoflagellates:
C: Akashiwo sanguinea
R: Prorocentrum spp.
P: Dinophysis spp.
R: Ceratium spp.
R: Gonyaulax spinifera
P: Protoperidinium spp.
R: Alexandrium spp.
R: Scrippsiella spp.
R: Gyrodinium spp. (pink tipped)
R: Polykrikos spp.
R: Cochlodinium spp.
R: Lingulodinium polyedrum
R: Oxyphysis
P: Pyrophacus spp.
R: Amylax
Diatoms:
R: Chaetoceros spp.
R: Thalassiosira spp.
A: Pseudo-nitzschia spp.
R: Pleurosigma spp.
R: Thalassionema spp.
R: Hemiaulus spp.
R: Tropidoneis spp.
R: Lauderia spp.
R: Navicula spp.
R: Cylindrotheca spp.
R: Licmophora spp.
R: Odontella spp.
R: Asteromphalus spp.
R: Leptocylindrus spp.
R: Cerataulina spp.
R: Detonula spp.
R: Eucampia
Zooplankton:
R: fecal pellets, nauplii, tintinnids, calanoids, fish larvae, eggs
* Environmental Information *
TIME: 0701 PT
COLLECTOR: Hannah McGrath
Water Temperature: 15.2°C
Water Conditions: calm
Water Color: 10Y 2/2
Visibility: 4.0 m
Tide: Rising, 0.30 m, high at 1217 h
Chlorophyll: net: 1.048mg/m^3 by in vivo RFU
Sky: cloudy/foggy, 100% cloud
Air Temperature: 13.89°C
Wind: offline, 1.34m/S
Rare (R): <1% ~~~ Present (P): 1 – 9% ~~~ Common (C): 10 – 49% ~~~ Abundant (A): >= 50%