Table 5 Calibration of parameters measured with the ECO-triplet fluorometer.

From: Under-ice environment observations from a remotely operated vehicle during the MOSAiC expedition

Parameter

Equation

Unit

pH

7.0 + Vout - pHoffset / pHslope * GP-CTD temperature (K) * 1.98416E-4

—

Backscatter strength

1.79e-06 (m−1 sr−1) / cts * (backscatter counts - 48 cts)

m−1 sr−1

FDOM concentration

0.0906 ppb / ct * (FDOM counts - 46 cts)

ppb

Chlorophyll-a concentration

0.0073 (μg l−1) / ct * (chlorophyll counts - 49 cts)

μg l−1

  1. Details can be found in the MATLAB processing scripts75. Abbreviations: cts: counts, GP-CTD: Glider Payload - Conductivity Temperature Depth.
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