Russ Davis contributed to this research, both by developing and deploying the ALACE floats and by commenting on the data analysis and interpretation. This research also would not have been possible without the efforts of numerous WOCE investigators who took the time to release ALACE floats over the course of research cruises to the remote parts of the Southern Hemisphere. Victor Gouretski of the WOCE analysis center in Hamburg helped both by making atlas data available and by answering detailed questions about the atlas product. In addition, the reviewers' comments have helped to clarify the presentation of this work. This research was supported by the National Science Foundation under Grant OCE-9985203/OCE-0049066 and by the National Aeronautics and Space Administration under JPL Contract 1224031.
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