Abstract
A fiber-optic fluorometry system is used in conjunction with a benthic flux chamber in an attempt to estimate fluxes of dissolved organic carbon (DOC) and polycyclic aromatic hydrocarbons (PAH) in situ from coastal marine sediments. These initial deployments in San Diego Bay demonstrate the usefulness of laser-induced fluorescence measurements for continuous DOC determinations and reveal the possibility of using time-resolved fluorescence spectroscopy to estimate PAH concentrations. DOC fluxes from these contaminated sediments are high and may be a result of chamber contamination or may be associated with easily resuspended sediment particles. Sediment fluorescence profiles are also discussed.
| Original language | English |
|---|---|
| Pages (from-to) | 67-77 |
| Number of pages | 11 |
| Journal | Organic Geochemistry |
| Volume | 26 |
| Issue number | 1-2 |
| DOIs | |
| State | Published - Jan 1997 |
ASJC Scopus Subject Areas
- Geochemistry and Petrology
Keywords
- Benthic fluxes
- DOC
- Fiber-optic fluorometry
- Fluorescence spectroscopy
- PAH
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