National Oceanic and
Atmospheric Administration
United States Department of Commerce


FY 2005

Calibration procedures and instrumental accuracy estimates of next generation ATLAS water temperature and pressure measurements

Freitag, H.P., T.A. Sawatzky, K.B. Ronnholm, and M.J. McPhaden

NOAA Tech. Memo. OAR PMEL-128, NTIS: PB2008-101764, NOAA/Pacific Marine Environmental Laboratory, Seattle, WA, 22 pp (2005)

This report describes instrumentation that measures and records water temperature and pressure from taut-line surface moorings of the TAO/TRITON Array in the tropical Pacific and the PIRATA Array in the tropical Atlantic, with primary focus on calibration methods. The analysis includes estimates of calibration repeatability, calibration accuracy, initial instrumental accuracy, and calibration drift over time. The overall accuracy of temperature (pressure) measurements made from these moorings is estimated to be ±0.0181°C (±0.98 dbar).

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