期刊
JOURNAL OF OCEANOGRAPHY
卷 60, 期 2, 页码 253-258出版社
SPRINGER
DOI: 10.1023/B:JOCE.0000038331.10108.79
关键词
Argo project; profiling float; sensor stability
类别
After recalibration of the temperature and conductivity sensors of three Argo profiling floats recovered after operations for four to nine months, the results indicate that the floats basically showed no significant drift, either in temperature or salinity, and adequately fulfilled the accuracy requirement of the Argo project (0.005degreesC for temperature and 0.01 psu for salinity). Only the third float showed a significant offset in salinity of about -0.02 psu, as expected from comparison between the float data and the shipboard conductivity-temperature-depth data. This offset was caused by the operational error of the PROVOR-type float, in which the surface water was pumped immediately after the launch, fouling the conductivity sensor cell.
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