While advanced sensing capabilities for ocean geophysical science have proceeded apace in recent years, powerful new techniques for geochemical sensing in the deep ocean have lagged far behind. Almost all ocean chemical sensors to date detect only the dissolved state. Other targets of interest, such as high-temperature fluids and solid minerals from hydrothermal vent systems and methane hydrates, must be recovered for ship or shore-based analysis. The development of laser Raman spectroscopy for deep-ocean applications allows the in-situ analysis of a variety of solid, liquid and gaseous targets in the deep ocean. This technique is non-invasive, non-destructive and relatively rapid. Modern ROV (Remotely Operated Vehicles )now possess the power, bandwidth and sophisticated networking capabilities to deploy instruments that seemed inconceivable only a few years ago.
Raman instrumentation for deep-sea in-situ analyses
Sea Technology ; 47 , 2 ; 17-24
2006
8 Seiten, 2 Quellen
Aufsatz (Zeitschrift)
Englisch
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