This project integrated a series of new approaches to the investigation of the causes of water column variability in coastal regions. In situ sensors and satellite remote sensing provided time-series and spatial pattern information on physical, chemical, and biological processes in coastal waters. The in situ sensors were used for fixed-point time-series and for underway measurements from small boats. The satellite remotes sensing used AVHRR and SeaWiFS ocean color imagery. ...
This report describes the design principles, detailed circuit diagram, and software for a multiple sample automated preconcentrator (MSAP). The MSAP is designed to accept up to 12 samples of seawater. It can be expanded to a 24-sample system without major modification of the circuit design. The overall system includes sample bottles containing approximately 250 ml of seawater that flows through a chromatographic cartridge which extracts dissolved transition and heavy metals. ...
A simple vertical advection-eddy diffusion model was applied to continuous vertical temperature, salinity, and dissolved oxygen profiles at depths greater than 1000 m in the eastern Caribbean. The continuous profiles were well-suited to vertical modeling because they tightly constrained the selection of the model boundaries and the model parameters. A model in which oxygen was assumed to be a conservative constituent fit the observations to within about 0.06 ml/l. The ...
Fluoride chlorinity ratios were determined in seawater samples collected at various depths along a transect from the Grand Banks to the eastern side of the Mid Atlantic Ridge. Fluoride chlorinity ratios in the range 6.9 to 7.3 x 10 to the-5th power g/kg(o/oo) were observed on the southeast flank of the Grand Banks whereas the values were typically 6.6 to 6.8 x 10 to the-5th power g/kg(o/oo) further east toward ...
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