• Chapter contents
• Abstract
• The world’s clearest marine water, Secchi discs, and the JOIDES Resolution
• Secchi disc construction
• Deployment
• Small disc
• Large disc
• Preliminary results and recommendations for future deployments
• Acknowledgments
• References
• Figures
• F1. Secchi discs.
• F2. Staff measuring deployment line.
• F3. Observers.
• F4. Disc retrieval.
• PDF file