Three active small channel and lobe systems have been described from the Gulf of Cadiz using low resolution sidescan sonars (Habgood et al, 2003).
During Phase 1 of the project, one of these sand lobes was mapped with accurately navigated, deep-towed equipment to the highest, meter-scale, resolution.
The following products are available to potential sponsors:
1. Background setting, including complete 10kHz sidescan mosaic
|Left: Location of the planned piston core sites on the active sand lobe in the Gulf of Cadiz. Interpretation from 12 kHz SeaMap sidescan sonar data.
The main goals of the study are:
|to evaluate sand quality throughout the whole lobe system (from source to deposition);|
|to characterise sedimentary facies composing various elements of the lobe system;|
|to identify the nature and behaviour of density flows responsible for sand transport and deposition within the lobe system and to investigate the nature of flows beyond the lobe.|
Phase 2 was completed in late 2005. Full cost of both phases to new sponsors is £10,000 (GBP). Existing partners are: Shell, ConocoPhilips and ExxonMobil.
Habgood, E.L., Kenyon, N.H., Akhmetzhanov, A., Weaver, P.P.E., Masson, D.G., Gardner, J., and Mulder, T. 2003. Deep-water sediment wave fields, contourite sand channels and channel mouth sand lobes in the Gulf of Cadiz, NE Atlantic. Sedimentology, 50, 483-510.