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Deep-sea ecosystems are characterized by immense
pressure and low temperatures (at deep-sea plains) but can also
exhibit steep biogeochemical and physical gradients and a coexistence of
chemically reactive species in extreme habitats such as hydrothermal
vents. An amazing diversity of competing, extremely adapted organisms live
there.
In order to describe and comprehend those unusual
habitats, scientists depend on highly sophisticated equipment. To
circumvent sample artefacts and alterations caused by depressurization and
temperature effects, in situ analyses and measurements are preferable when
possible.
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Our approach, therefore, foresees to adapt and
optimize existing in situ analyzers, samplers and sensors. A maximum
compatibility on different types of underwater platforms will be
developed to ease payload exchange.
The main focus of WP3 is especially the development,
optimization and adaptation of a chemical in situ flow analyzer
(WP3.1), a small volume multi water sampler (WP 3.2) , as well as an in
situ methane sensor and a hot film flow meter (WP 3.3). |
In situ analysis using the in situ
flow analyzer Alchimist (13°N, EPR, HOPE 1999) ŠIfremer |
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