Figure F4. Preliminary APCT-3 calibration. A. Uncalibrated third-generation advanced piston corer temperature (APCT-3; APC3 in figure) tool temperatures and reference temperatures during calibration in well-stirred bath. B. Differences between reference and APCT-3 temperatures. C. Linear regression of temperature differences and reference temperatures. D. Reference temperatures as a function of thermistor resistivity (blue dots) and best fitting Steinhart-Hart parametrization. E, F. Differences between reference temperatures and APCT-3 temperatures computed with best fitting Steinhart-Hart approximation (cf. D).
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