Rapid and noncontaminating sampling system for trace elements in global ocean surveys.
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Cutter, Gregory A.
Bruland, Kenneth W.
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A system for the rapid and noncontaminating sampling of trace elements with volumes of up to 36 L per depth and including the dissolved and particulate phases has been developed for ocean sections that are a crucial part of programs such as International GEOTRACES. The system uses commercially available components, including an aluminum Seabird Carousel with all titanium pressure housings for electronics and sensors to eliminate zinc sacrificial anodes and holding twenty‐four 12 L GO‐FLO bottles, and a 7500 m, 14 mm Vectran conducting cable (passing over an A‐frame with nonmetallic sheave) spooled onto a traction winch. The GO‐FLO bottles are stored and processed in a clean lab built into a 20' ISO container. To minimize contamination, the GO‐FLO bottles are triggered when the carousel is moving upward into clean water at 3 m min−1. Analyses of salinity and nutrients in bottle samples from the stopped versus moving carousel show no detectable smearing, whereas the contamination‐prone t.....
JournalLimnology and Oceanography: Methods
Sustainable Development Goals (SDG)14.A
Essential Ocean Variables (EOV)Particulate matter
Maturity LevelTRL 9 Actual system "mission proven" through successful mission operations (ground or space)
Best Practice TypeStandard Operating Procedure
CitationCutter, G.A. and Bruland, K. W. ( 2012) Rapid and noncontaminating sampling system for trace elements in global ocean surveys, Limnology and Oceanography: Methods, 10, pp.425-436. DOI::10.4319/lom.2012.10.425.
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