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U.S. Geological Survey Open-File Report 2009-1101

The Partition Intervalometer: A Programmable Underwater Timer for Marking Accumulated Sediment Profiles Collected in Anderson Sediment Traps: Development, Operation, Testing Procedures, and Field Results

Return to: Title Page » Introduction » Development » Function and Operation » Testing Procedures and Results » Results of Field Tests » Summary » Acknowledments » References » List of Figures » Appendix 1: Programming the Intervalometer » Appendix 2: Synopsis of Field Notes

Figure 14.  Distribution of discs accumulated in the collection tubes of the two sediment traps (at 30 mab and 60 mab) recovered from the Hueneme Canyon mooring site. The intervals are measured in centimeters; Disc = sequentially numbered discs deposited at ten-day intervals from the Intervalometer; Day = the number of days of sediment accumulated in the tube at the time each disc was deposited. [Download the full size image in PDF format, 14 KB.]

Figure 14. Distribution of discs accumulated in the collection tubes of the two sediment traps (at 30 mab and 60 mab) recovered from the Hueneme Canyon mooring site. The intervals are measured in centimeters; Disc = sequentially numbered discs deposited at ten-day intervals from the Intervalometer; Day = the number of days of sediment accumulated in the tube at the time each disc was deposited.

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