National Oceanic and
Atmospheric Administration
United States Department of Commerce


FY 1995

Chemical and hydrographic measurements from the equatorial Pacific during boreal autumn, 1992

Lamb, M.F., T. Lantry, J. Hendee, K.E. McTaggart, P.P. Murphy, R.A. Feely, R. Wanninkhof, F.J. Millero, R.H. Byrne, E.T. Peltzer, and D. Frazel

NOAA Data Report ERL PMEL-56, NTIS: PB95-274809, 166 pp (1995)

In the boreal autumn of 1992, NOAA's Climate and Global Change Program sponsored a major cooperative effort with the U.S. JGOFS Program in the central and eastern equatorial Pacific to investigate the unique role of equatorial processes on CO cycling during, and following, the 1991-92 ENSO event. Data were collected meridionally along four transects, generally between 10°N and 10°S. The first leg (Leg 3) included the 140°W and 125°W transects; the second leg (Leg 4) sampled along 110°W, and the third leg (Leg 5) included stations along 95°W and three short transects extending westward from the Peru coast. Chemical parameters sampled included fCO, DIC, TAlk, pH, TOC, and nutrients. Ancillary measurements of salinity, temperature, and dissolved oxygen (DO) were also taken. Descriptions of sampling methods and data summaries are given in this report.

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