Effects of surface waves and ship heave-and-roll on CTD data and processing method for CTD data

Zhang Aijun

doi:10.1007/BF02850653

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Effects of surface waves and ship heave-and-roll on CTD data and processing method for CTD data

OriginalPaper | Updated：2023-05-16

- Effects of surface waves and ship heave-and-roll on CTD data and processing method for CTD data
- Effects of surface waves and ship heave-and-roll on CTD data and processing method for CTD data
- 海洋湖沼学报（英文） 1991年9卷第4期页码：375-385
- Affiliations：
- Author bio：
- Funds：
  
  The project is supported by the Natural Science Foundation of China and Chinese Education Committee
- DOI：10.1007/BF02850653
  中图分类号：
- 纸质出版：1991
- Accepted：
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Effects of surface waves and ship heave-and-roll on CTD data and processing method for CTD data[J]. 海洋湖沼学报（英文）, 1991,9(4):375-385.

Aijun, Z. Effects of surface waves and ship heave-and-roll on CTD data and processing method for CTD data., Chin. J. Ocean. Limnol. 9, 375–385 (1991). https://doi.org/10.1007/BF02850653
Effects of surface waves and ship heave-and-roll on CTD data and processing method for CTD data[J]. 海洋湖沼学报（英文）, 1991,9(4):375-385. DOI： 10.1007/BF02850653.

Aijun, Z. Effects of surface waves and ship heave-and-roll on CTD data and processing method for CTD data., Chin. J. Ocean. Limnol. 9, 375–385 (1991). https://doi.org/10.1007/BF02850653 DOI：

摘要

Abstract

The effects of surface waves and ship heave-and-roll on CTD data are discussed. The heave-and-roll produces spurious step-like structures in the CTD data. Derivation of a formula for calculating the probe's fall speed is discussed. Several current techniques for CTD sensor lag correction are analyzed and compared. It is shown the lag correction procedure presented here

which is based on the Giles-McDougall technique

can be employed to treat CTD data from regions with slow or fast T-S variations

for instance

in strong seasonal thermocline. False salinity spikes or humps in data corrected with this procedure are significantly reduced.

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references

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