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Thermal Lag Correction on Slocum CTD Glider Data

AutorGarau, Bartolomé ; Ruiz, Simón ; Zhang, Weifeng G.; Pascual, Ananda ; Heslop, Emma ; Kerfoot, John; Tintoré, Joaquín
Palabras claveData processingStommel
In situ observations
Fecha de publicaciónsep-2011
EditorAmerican Meteorological Society
CitaciónJournal of Atmospheric and Oceanic Technology 28 (9) : 1065–1071 (2011)
ResumenIn this work a new methodology is proposed to correct the thermal lag error in data from unpumped CTD sensors installed on Slocum gliders. The advantage of the new approach is twofold: first, it takes into account the variable speed of the glider; and second, it can be applied to CTD profiles from an autonomous platform either with or without a reference cast. The proposed methodology finds values for four correction parameters that minimize the area between two temperature–salinity curves given by two CTD profiles. A field experiment with a Slocum glider and a standard CTD was conducted to test the method. Thermal lag–induced salinity error of about 0.3 psu was found and successfully corrected.
DescripciónEl documento aquí auto-archivado proviene del recurso ProQuest.
Versión del editorhttp://dx.doi.org/10.1175/JTECH-D-10-05030.1
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