IS24A:
Autonomous Observing Systems for Macronutrients and Bioactive Trace Metals in Coastal and Open-Ocean Settings: Present Status, Challenges, and Emerging Technologies I Posters

Session ID#: 84800

Session Description:
Progress and discovery in the understanding and modeling of biological productivity and species composition in the marine environment is limited by our ability to make macronutrient and bioactive trace metal measurements at relevant spatial and temporal scales. While significant progress has been made with the advent of UV and microfluidic nitrate sensors, there are still few analytical systems for other important macronutrient species (P, Si, NH3) and virtually none for bioactive trace metals that can be deployed on the expanding array of platforms dedicated to long term unattended data gathering (i.e., moorings, gliders, profilers), particularly in oligotrophic surface ocean settings.

 

This session aims to: (1) highlight the latest developments in macronutrient and bioactive trace metal analytical methodologies with strong potential or demonstrated capabilities for unattended operation in coastal and open ocean settings and, (2) serve as a forum to nurture collaborations among sensor developers and oceanographers with an engineering and analytical chemistry inclination. Contributions from all stages of development are encouraged including: remote samplers, passive samplers, reagent-based microfluidic analyzers including the use of novel chemical probes, electrochemical methods, optical sensors, as well as the optimization, calibration, and field validation of emerging in situ technologies.

Co-Sponsor(s):
  • CT - Chemical Tracers, Organic Matter and Trace Elements
  • NC - Nutrient Cycling
  • OB - Ocean Biology and Biogeochemistry
Index Terms:

4803 Analytical chemistry [OCEANOGRAPHY: CHEMICAL]
4845 Nutrients and nutrient cycling [OCEANOGRAPHY: CHEMICAL]
4875 Trace elements [OCEANOGRAPHY: CHEMICAL]
4894 Instruments, sensors, and techniques [OCEANOGRAPHY: CHEMICAL]
Primary Chair:  Maxime Grand, Moss Landing Marine Laboratories, Moss Landing, CA, United States
Co-chairs:  Andrew R Bowie, University of Tasmania, Hobart, TAS, Australia, Agathe Laes-Huon, IFREMER, REM/RDT/LDCM, Plouzané, France and Alexander Beaton, National Oceanography Centre, Ocean Technology and Engineering Group, Southampton, United Kingdom
Primary Liaison:  Maxime Grand, Moss Landing Marine Laboratories, Moss Landing, CA, United States
Moderators:  Maxime Grand, Moss Landing Marine Laboratories, Moss Landing, CA, United States and Andrew R Bowie, University of Tasmania, Hobart, TAS, Australia
Student Paper Review Liaison:  Maxime Grand, Moss Landing Marine Laboratories, Moss Landing, CA, United States

Abstracts Submitted to this Session:

 
Clio: Toward routine operations for a fast vertical profiling vehicle designed for global ocean biogeochemical mapping (653390)
Michael Jakuba, Woods Hole Oceanographic Institution, Woods Hole, MA, United States, John A Breier Jr, University of Texas Rio Grande Valley, Edinburg, TX, United States, Mak A Saito, WHOI, Woods Hole, MA, United States and Rodney J Johnson, BIOS, St Georges, Bermuda
 
A New Generation of Ammonia Sensor for Deployment in Oceanic, Coastal and Estuarine Waters. (642986)
Malcolm S Woodward1, Sergiy Korposh2, Sándor Erdody2 and Jiri Hromadka2, (1)Plymouth Marine Laboratory, Plymouth, PL1, United Kingdom, (2)University of Nottingham, Nottingham, United Kingdom
 
CHEMINI: CHEmical MINIaturised analyser for in situ monitoring of macronutrients and bioactive metals in marine waters (498622)
Agathe Laes-Huon1, Romain Davy1, Léna Thomas1, Julien Legrand2, David Le Piver2, Patrick Rousseaux2, Jean-Yves Coail2, Michel Repecaud1, Karenn Bucas1, Cecile Cathalot3, Nicolas Gayet4, Jozee Sarrazin5 and Pierre-Marie Sarradin6, (1)IFREMER, REM/RDT/LDCM, Plouzané, France, (2)IFREMER, REM/RDT/SIIM, Plouzané, France, (3)IFREMER, Department of Marine Geosciences, Plouzané, France, (4)Ifremer, centre de Brest, LEP, Plouzané, France, (5)IFREMER, Centre de Bretagne, Plouzané, France, (6)IFREMER, Brest, France
 
Determination of Nitrate and Nitrite in Aqueous Sample Using Vanadium(III) Chloride as a Reductant (643341)
Tengyue Fang and Jian Ma, Xiamen University, State Key Laboratory of Marine Environmental Science, Xiamen, China
 
Development and Application of Chemical Sensors for Nutrients, Iron and Manganese in Coastal Waters (644945)
Eric P Achterberg, Felix Geissler and Mario Esposito, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany
 
Development of a Microfluidic Reverse Flow Injection Analysis (rFIA) Method with Automatic Background Fluorescence Correction for the Detection of Nanomolar Concentrations of Ammonium in Natural Waters (646080)
Hannah Hunt1, Marlena Penn2 and Robert Thomas Masserini Jr1, (1)University of Tampa, Chemistry Biochemistry and Physics, Tampa, FL, United States, (2)University of Tampa, CNHS, Tampa, FL, United States
 
Development of an Integrated Syringe-pump-based Environmental-water Analyzer (iSEA) for the Determination of Dissolved Reactive Phosphorus in Natural Waters (643323)
Yao Deng and Jian Ma, Xiamen University, State Key Laboratory of Marine Environmental Science, Xiamen, China
 
In situ analyser for dissolved iron based on the chemiluminescence of luminol (646067)
Sebastian Steigenberger1, Alexander Beaton1, Antony Birchill2, Medya Namiq1, Daisy Tong1, Rudolf Hanz1, Matthew Patey1, Maeve C Lohan3 and Matthew C Mowlem4, (1)National Oceanography Centre, Ocean Technology and Engineering Group, Southampton, United Kingdom, (2)Plymouth University, School of Geography, Earth and Environmental Sciences, Plymouth, United Kingdom, (3)University of Southampton, Ocean and Earth Sciences, National Oceanography Centre, Southampton, United Kingdom, (4)National Oceanography Centre, Southampton, Ocean Technology and Engineering Group, Southampton, United Kingdom
 
Novel programmable flow injection (pFI) technique for optimization of reagent-based assays was used to enhance performance of phosphomolybdenum blue method (648768)
Jaromir Ruzicka, Mariko Hatta and Chris I Measures, University of Hawaii at Manoa, Oceanography, Honolulu, HI, United States
 
Proper handling of frozen nutrient samples is essential for high quality data (643864)
Melissa T Miller and Susan M Becker, Scripps Institution of Oceanography, La Jolla, CA, United States