ACCP-2 (a component of ACM1)

This experiment produced

You can view metadata and/or download the records by clicking on links in the table below. A brief description of the experiment also is available. Each record is identified in the table by its depth and the name of the mooring. You may want to look at a map of the array to see where the moorings were, or view a vertical section that shows instrumentation. If you download any of the files you should review the note on file format. From here you can also move up one level to the list of WOCE experiments.

All of the time series in this archive are filtered and have a time increment of 12 hours. The diurnal tides and all higher frequencies have been removed. The original unfiltered files may be available from the PI's.

mooringinstr depthinstr typedatesmetadatadownload
Mooring 310 50 meters VACM 29 Sep 93 - 16 Apr 95 view metadata download record
Mooring 310 350 meters Aanderaa RCM 29 Sep 93 - 07 Jun 95 view metadata download record
Mooring 310 650 meters VACM 29 Sep 93 - 24 Dec 95 view metadata download record
Mooring 312 100 meters VACM 02 Oct 93 - 29 Oct 95 view metadata download record
Mooring 312 250 meters Seacat 02 Oct 93 - 28 Oct 95 view metadata download record
Mooring 312 400 meters VACM 02 Oct 93 - 29 Oct 95 view metadata download record
Mooring 312 600 meters TSKA data recorder 02 Oct 93 - 29 Oct 95 view metadata download record
Mooring 312 800 meters TSKA data recorder 02 Oct 93 - 29 Oct 95 view metadata download record
Mooring 312 1000 meters TSKA data recorder 02 Oct 93 - 29 Oct 95 view metadata download record
Mooring 312 1200 meters VACM 02 Oct 93 - 29 Oct 95 view metadata download record
Mooring 312 1600 meters Seacat 02 Oct 93 - 29 Oct 95 view metadata download record
Mooring 312 2000 meters VACM 02 Oct 93 - 29 Oct 95 view metadata download record
Mooring 312 2500 meters TSKA data recorder 02 Oct 93 - 29 Oct 95 view metadata download record
Mooring 312 3000 meters VACM 02 Oct 93 - 29 Oct 95 view metadata download record
Mooring 312 3500 meters TSKA data recorder 02 Oct 93 - 29 Oct 95 view metadata download record
Mooring 312 4000 meters VACM 02 Oct 93 - 29 Oct 95 view metadata download record
Mooring 312 4688 meters Seacat 02 Oct 93 - 29 Oct 95 view metadata download record
Mooring 313 100 meters VACM 01 Oct 93 - 05 Dec 93 view metadata download record
Mooring 313 400 meters Aanderaa RCM 01 Oct 93 - 08 Aug 95 view metadata download record
Mooring 313 600 meters TSKA data recorder 30 Sep 93 - 27 Oct 95 view metadata download record
Mooring 313 800 meters TSKA data recorder 30 Sep 93 - 27 Oct 95 view metadata download record
Mooring 313 1200 meters Aanderaa RCM 01 Oct 93 - 27 Oct 95 view metadata download record
Mooring 313 1600 meters TSKA data recorder 01 Oct 93 - 27 Oct 95 view metadata download record
Mooring 313 2000 meters VACM 01 Oct 93 - 27 Oct 95 view metadata download record
Mooring 313 2500 meters TSKA data recorder 01 Oct 93 - 27 Oct 95 view metadata download record
Mooring 313 3000 meters VACM 01 Oct 93 - 27 Oct 95 view metadata download record
Mooring 313 3500 meters TSKA data recorder 01 Oct 93 - 27 Oct 95 view metadata download record
Mooring 313 4000 meters VACM 01 Oct 93 - 27 Oct 95 view metadata download record
Mooring 313 4500 meters TSKA data recorder 30 Sep 93 - 27 Oct 95 view metadata download record

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Description of ACCP-2

Four moorings containing current meters, CTDs, and temperature recorders were deployed east of Abaco Island in September and October 1993. Three of the moorings were recovered approximately 25 months later (see map). The principal goal of the experiment was to measure the volume and heat transports of the thermohaline circulation in the western subtropical Atlantic. The project was initiated with joint support from the NOAA Atlantic Climate Change Program (ACCP) and the World Ocean Circulation Experiment (WOCE). It addressed the central issue of Element III of ACCP (observing and monitoring the thermohaline circulation) and of the WOCE Moored Velocity Measurement Program (direct flux sections).

This experiment also had the objective of preserving the continuity of the western boundary current transport time series begun by the STACS Program (Subtropical Atlantic Climate Studies) in 1986. The goal of STACS was to obtain multi-year records for the investigation of interannual variability of climate-relevant flow transients. The ACCP-1, 2, and 3 moored arrays have been designated as the US WOCE western boundary current arrays for the subtropical Atlantic.

Related publications

Zantopp R.J., T.N.Lee and W.E.Johns (1998): Moored current meter observations east of Abaco, the Bahamas (ACCP-2 Array). University of Miami RSMAS Technical Report 98-005, 36 pp.

Lee, T.N., W.E. Johns, R.J. Zantopp and E.R. Fillenbaum (1996): Moored observations of Western Boundary Current variability and thermocline circulation at 26.5N in the subtropical North Atlantic. J. Phys. Oceanog., 26(6), 962-983.

Johns, W.E., T.N. Lee, R.J. Zantopp and E. Fillenbaum (1997): Updated transatlantic heat flux at 26.5N. International WOCE Newsletter, 27, 15-22.

Fillenbaum, E.R., T.N. Lee, W.E. Johns and R.J. Zantopp (1997): Meridional heat transport variability at 26.5N in the North Atlantic. J. Phys. Oceanog., 27(1), 153-174.

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Format of the current records

These files have been compressed with the ZIP compression utility. After downloading them, you will need to expand them. On a PC, WinZip or Pkunzip will do the job. Other utilities are available for the Unix and Macintosh environments. After expansion, you will have ascii files in OSU's stranger format.

The stranger format begins with several lines of header information that are meant to be machine-readable. They contain a Fortran format specification that will be useful in reading the file, a pointer to the first line of data, and a description of the data. Each line of the current record itself contains the time of the sample, the values recorded, and a line count.

Please be aware that end-of-line in these files is a carriage-return plus line-feed (the PC convention). This means that in a Unix environment (where a single line-feed serves as end-of-line) you may want to remove the carriage-returns.

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