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Application of the PJ and NPS evaporation duct models over the South China Sea (SCS) in winter

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  • Shaobo Yang
  • Xingfei Li
  • Chao Wu
  • Xin He
  • Ying Zhong

Abstract

The detection of duct height has a significant effect on marine radar or wireless apparatus applications. The paper presents two models to verify the adaptation of evaporation duct models in the SCS in winter. A meteorological gradient instrument used to measure evaporation ducts was fabricated using hydrological and meteorological sensors at different heights. An experiment on the adaptive characteristics of evaporation duct models was carried out over the SCS. The heights of the evaporation ducts were measured by means of log-linear fit, Paulus-Jeske (PJ) and Naval Postgraduate School (NPS) models. The results showed that NPS model offered significant advantages in stability compared with the PJ model. According the collected data computed by the NPS model, the mean deviation (MD) was -1.7 m, and the Standard Deviation (STD) of the MD was 0.8 m compared with the true value. The NPS model may be more suitable for estimating the evaporation duct height in the SCS in winter due to its simpler system characteristics compared with meteorological gradient instruments.

Suggested Citation

  • Shaobo Yang & Xingfei Li & Chao Wu & Xin He & Ying Zhong, 2017. "Application of the PJ and NPS evaporation duct models over the South China Sea (SCS) in winter," PLOS ONE, Public Library of Science, vol. 12(3), pages 1-11, March.
    • Handle: RePEc:plo:pone00:0172284
    DOI: 10.1371/journal.pone.0172284
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