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Near-inertial wave propagation between stratified and homogeneous layers: Data

by The Oscillation PublicationMay 22nd, 2024

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The four acoustic current meters also provided estimates of w, but these data are much noisier than the ADCP-w (Table 1) Most important parameters from these instruments are current components u and v, which are used for specifying the horizontal current polarization, and temperature T, which is used to monitor the variations in water mass properties with time.

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Authors:

(1) Hans van Haren, NIOZ Royal Netherlands Institute for Sea Research, P.O. Box 59, 1790 AB Den Burg, the Netherlands.

Table of Links

Abstract and Intro

Data

Observations

Simulating Transition

Discussion

Conclusions and References

2 Data

The four acoustic current meters also provided estimates of w, but these data are much noisier than the ADCP-w (Table 1). Therefore, most important parameters from these instruments are current components u and v, which are used for specifying the horizontal current polarization, and temperature T, which is used to monitor the variations in water mass properties with time, reflecting passages of eddies and newly formed dense water. Compared to the single good working mechanical current meter the acoustic devices showed larger amplitudes by 20%, as was inferred using the weak tidal amplitudes as measure. The mechanical current meter amplitude was corrected accordingly.

During the deployment and recovery cruises shipborne SeaBird-911 ConductivityTemperature-Depth (CTD) profiles were obtained. These data are used for independent information on stratification variations in the vertical. Due to cable-limitations, the 2005- profile was stopped at z = -2500 m.