Representation of statistical properties of wave groups for sea processes with double-peaked spectra

Lin Wei-qi; Huang Pei-ji

doi:10.1007/BF02845469

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Representation of statistical properties of wave groups for sea processes with double-peaked spectra

Updated：2023-05-16

- Representation of statistical properties of wave groups for sea processes with double-peaked spectra
- Journal of Oceanology and Limnology Vol. 12, Issue 1, Pages: 22-29(1994)
- Affiliations：
  
  First Institute of Oceanography
- Author bio：
- Funds：
- DOI：10.1007/BF02845469
  CLC：
- Published：1994
- Accepted：
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Wei-qi, L., Pei-ji, H. Representation of statistical properties of wave groups for sea processes with double-peaked spectra., Chin. J. Ocean. Limnol. 12, 22–29 (1994). https://doi.org/10.1007/BF02845469
DOI：

Wei-qi, L., Pei-ji, H. Representation of statistical properties of wave groups for sea processes with double-peaked spectra., Chin. J. Ocean. Limnol. 12, 22–29 (1994). https://doi.org/10.1007/BF02845469 DOI：

摘要

Abstract

A method using group-induced second-order long waves(GSLW) to represent statistical properties of wave groups with double-peaked spectra is put forward in this paper on the basis of the GSLW theory. the GSLW is regarded as a weighted linear superimposition of the second-order long wave induced by the low peak frequency section and that induced by the high peak frequency section. There is a parabolic relationship between the GSLW and the wave envelope. Then the probability density function and the distribution function of the GSLW amplitude are derived. Thus the formulas for the average time duration and the mean length of runs can be derived. Good agreement between theoretical results and measured values was achieved

as verified with the measured double-peaked spectra in different regions.

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references

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Lin Weiqi & Huang Peiji, 1992. Statistical properties of wave groups described by group-induced long waves.Chinese Journal of Oceanology and Limnology 10(1): 57–67.

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