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May 13, 2016 - ESP Update #3

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Hi mates,

All 3 ESPs (ESPdon, dennis, and jake) are consistently working in the western GOM after deployment on May 2.
The early returns continue to indicate that the Alexandrium population is in the 100-300 cells/L range with the highest concentration (274 cells/Liter) reported by ESPdennis at mooring ESP-2 near Ogunquit on May 9. ESPdennis is returning some arrays with high background that we could not analyze...the high background could be related to something in the sample water (e.g., Phaeocystis sp.) that might force us to dial back the sample volume to compensate. ESPdon is showing a consistent rise above the lower limit of detection to >100 cells/L now, while ESPjake at the Bowdoin wetlab is returning mostly positive signals at about 100 cells/L.

In addition, ESPjake has shown signals from the MUD2 probe as well as a new "has2" probe for Pseudo-nitzschia. Holly Bowers from MBARI in collaboration with Kate Hubbard have added extra probes to the WHOI arrays to help distinquish the various species in that group.

For the locations of the ESPs and the latest near real time plots of the Alexandrium fundyense (NA1 probe) data, please tune to:

http://science.whoi.edu/esp/fieldcelldata

Have a good weekend,

Bruce

--
Bruce Keafer
Research Associate (ESP lab - Dr. Don Anderson)
Laboratory for Ocean Sensors and Observing Systems (LOSOS)
Mail Stop 57
Woods Hole Oceanographic Instituion
Woods Hole, MA 02543
508-289-2509 (LOSOS office and ESP lab)



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