Long-term in situ chemical
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As
marine scientists, we are acutely aware that the oceans are undersampled spatially and
temporally. Our understanding of many fundamental ocean processes, such as the evolution
of hydrothermal systems or the nutrient dynamics of the Equatorial Pacific, is limited by
the lack of continuous in situ measurements of chemical species. With the
development of satellite observations and mooring-mounted instrumentation, tremendous
advances in the long-term continuous monitoring of biological and physical parameters have
been achieved. However, long-term continuous monitoring of vital chemical parameters of an
ecosystem, such as macro and micro nutrients and trace metals, has proven to be a very
difficult task.  | Difficulties and strategies for long-term chemical monitoring |
| In situ determination of Fe in hydrothermal and benthic systems |
| Strategies for the development of a long-term, low-level Fe analyzer |
| Strategies for the development of a long-term, multi-nutrient analyzer |
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Last updated: December 19, 2000