Estimation of suspended sediment concentrations using Pulse-coherent Acoustic Doppler Profiler (PCADP)

Xiufang Bai; Siren Li; Dejun Gong; Yongping Xu; Jingbo Jiang

doi:10.1007/s00343-009-9122-2

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Estimation of suspended sediment concentrations using Pulse-coherent Acoustic Doppler Profiler (PCADP)

Updated：2023-05-16

- Estimation of suspended sediment concentrations using Pulse-coherent Acoustic Doppler Profiler (PCADP)
- Journal of Oceanology and Limnology Vol. 27, Issue 2, Pages: 260-265(2009)
- Affiliations：
  
  1. R&D Centre of Ocean Environmental Engineering and Technology Institute of Oceanology Chinese Academy of Sciences
  2. Qingdao Feiyang Vocational & Technical College
- Author bio：
- Funds：
- DOI：10.1007/s00343-009-9122-2
  CLC：
- Online First：12 July 2009，
  
  Published：2009
- Accepted：
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Bai, X., Li, S., Gong, D. et al. Estimation of suspended sediment concentrations using Pulse-coherent Acoustic Doppler Profiler (PCADP)., Chin. J. Ocean. Limnol. 27, 260–265 (2009). https://doi.org/10.1007/s00343-009-9122-2
DOI：

Bai, X., Li, S., Gong, D. et al. Estimation of suspended sediment concentrations using Pulse-coherent Acoustic Doppler Profiler (PCADP)., Chin. J. Ocean. Limnol. 27, 260–265 (2009). https://doi.org/10.1007/s00343-009-9122-2 DOI：

摘要

Abstract

The objective of the study is to investigate the suitability of using Pulse-coherent Acoustic Doppler Profiler (PCADP) to estimate suspended sediment concentration (SSC). The acoustic backscatter intensity was corrected for spreading and absorption loss

then calibrated with OBS and finally converted to SSC. The results show that there is a good correlation between SSC and backscatter intensity with R value of 0.74. The mean relative error is 22.4%. Then the time span of little particle size variation was also analyzed to exclude the influence of size variation. The correlation coefficient increased to 0.81 and the error decreased to 18.9%. Our results suggest that the PCADP can meet the requirement of other professional instruments to estimate SSC with the errors between 20% and 50%

and can satisfy the need of dynamics study of suspended particles.

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references

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