Effective April 1, 2017, Cyclops-7F replaces Cyclops-7 Submersible Sensors. Cyclops-7F requires only 1 second after power up before taking measurements. As the Cyclops-7 required 5 seconds, this is a significant reduction in power required, especially if repeatedly power cycling the sensor. All other specifications remain the same.

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Early identification of Harmful Algal Blooms (HABs) is key to mitigating their effects and protecting public health. Turner Designs’ CyanoFluor is a new handheld fluorometer equipped with optics for detecting chlorophyll (CHL) and phycocyanin (PC) responses from natural water samples. CyanoFluor uses these responses to calculate and report a PC to CHL ratio for estimating the relative abundance of cyanobacteria within a phytoplankton population. By monitoring PC to CHL ratios over time, users can tell whether environmental conditions are changing, favoring cyanobacterial production which typically leads to the formation of HABs. CyanoFluor also provides raw fluorescence readings, which can be used to estimate chlorophyll concentrations.

CyanoFluor is factory-calibrated; no calibration standards or tools are required. Solid state optoelectronics ensure long term instrument stability. Results are displayed in less than 30 seconds and logged for future downloading. CyanoFluor is a perfect field instrument for HAB monitoring efforts – small, lightweight, battery-powered, waterproof and easy to use.

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Congratulations to Matthew Gray who was awarded a Travel Stipend for his poster presentation at ASLO 2017 featuring our C-sense pCO2 Sensor.

::Presentation Overview::
The Sustainable Ecological Aquaculture Network (SEANET) seeks to expand and enhance aquaculture production in Maine to meet domestic demand and bolster this emerging industry. With >3,000 miles of coastline, identifying suitable habitat for aquaculture in Maine is a daunting but potentially lucrative and necessary task to optimize production and profitability of farms.

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Congratulations to Jayme Smith who was awarded a Travel Stipend for her poster presentation at ASLO 2017 featuring our Trilogy Laboratory Fluorometer.

::Study Questions::
•  Will the diverted Hyperion effluent cause a phytoplankton
bloom in Santa Monica Bay?

•  If phytoplankton do respond, what groups responded and
what was the magnitude of the response?

•  If phytoplankton do not respond, what inhibited the
response?

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Congratulations to Alice Lie who was awarded a Travel Stipend for her poster presentation at ASLO 2017 featuring our Trilogy Laboratory Fluorometer.

::Presentation Overview::

  • Phagotrophic phytoflagellates are mixotrophic algae that can obtain carbon and energy through both photosynthesis and phagotrophy (bacterivory).
  • There is a spectrum of mixotrophic strategies ranging from predominantly phototrophic to predominantly phagotrophic.
  • Knowledge of different nutritional strategies and metabolism of mixotrophs will enable a better understanding of the functional roles of mixotrophs in communities.
  • Ochromonas is a genus of mixotrophic chrysophytes. Many species are predominantly bacterivores, but Ochromonas sp. strain CCMP1393 is obligately phototrophic.
  • This study investigates the gene expression of Ochromonas sp. strain CCMP1393 under different light regimes and bacteria availability.

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Last month our Applications Scientist, Lawrence Younan, presented “Fluorometers; Experiences with Autonomous Vehicles” at Oceanology International North America.  Learn more about how our C3 and Cyclops Integrator Submersible Fluorometers integrate with gliders and AUVs by viewing the presentation here.

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Moss Landing Marine Laboratories (MLML), located in central Monterey Bay, is part of the California State University system. With support from the Central and Northern California Ocean Observing System (CeNCOOS), MLML operates a shore station situated at the head of Monterey Canyon. Seawater pumped from an intake directly offshore in 17m of water is used in the labs for research and educational activities. A suite of sensors has been monitoring the physical and chemical properties of seawater at this location since 2010.

To gain a better understanding of regional carbonate chemistry, and to support research on the biological impacts of ocean acidification, MLML installed a Turner C-sense pCO2 sensor at this site. A month of preliminary data, collected during October 2016, shows strong fluctuations in temperature, pCO2, and pH. This site is known to be strongly influenced by large-amplitude internal waves, which are generated offshore by tidal currents flowing over steep topography and are then funneled through the canyon towards Moss Landing. Unlike surface waves, these internal waves are barely detectable at the sea surface, but they do have a strong effect on subsurface water properties, leading to strong fluctuations in pCO2 levels about twice per day. The colder water is characterized by high pCO2 due to microbial respiration below the euphotic zone, especially during times of the year when there is high productivity associated with coastal upwelling.

The data from this station will help MLML researchers better understand the physical and biological processes that influence the chemistry of seawater along the California coast. Monitoring the strong variability in seawater chemistry that occurs due to tidally-driven internal waves will allow for laboratory experiments that investigate a wide range of relevant oceanic conditions.

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Congrats to Alisha Shah, Colorado State University, who was awarded a travel stipend to help fund her research trip to Ecuador for her presentation “Linking Metabolic Rates and Excretion Rates in Tropical Mayflies.” Full presentation available at: http://www.turnerdesigns.com/pdf/case_studies/S-0203.pdf
Thanks for making Turner Designs a part of your research, Alisha!

Posted in AquaFluor Handheld Fluorometer/Turbidimeter, Travel Stipend Recipients | Tagged , , | Comments Off

Enviro-T2 is ideal for drinking water or wastewater facilities that want to detect cyanobacteria and algae in their water flow.  It is an accurate, single-channel fluorometer which easily integrates with data collection systems providing a 4 – 20 mA output proportional to the fluorescence from chlorophyll in water.  The Enviro-T2 Red Excitation Fluorometer has maximum sensitivity for better detection of cyanobacteria; the Enviro-T2 Blue Excitation Fluorometer is configured with maximum sensitivity for all other algal groups.  Enviro-T2 uses solid-state optoelectronics making it a reliable, high performance, rugged continuous sampling device.  Instrument maintenance or inspection is very simple with a quick one-step disconnect.  Factory-calibrated and requiring minimal installation effort, simply plumb the Enviro-T2 in-line with your online monitoring system, connect the output of your controller or data logger, and supply power to estimate algal abundance as a biological parameter for your monitoring program.

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In September we welcomed many of our distributors from around the world to our new office for training.  It was an exciting 3 days filled with lots of information about our newest products.  We capped off the week with a fun-filled trip to Alcatraz Island and an evening in San Francisco.

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