Application of entropy analysis of in situ droplet-size spectra in evaluation of oil chemical dispersion efficacy

Zhengkai Li, Kenneth Lee, Thomas King, Haibo Niu, Michel C. Boufadel, Albert D. Venosa

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

In situ droplet-size distributions were measured using a laser in situ scattering and transmissiometry (LISST-100X) particle size analyzer during the evaluation of natural and chemical dispersion efficiency of crude oils under different wave and current conditions. An entropy grouping of the in situ dispersed oil droplet-size spectra has classified the multi-modal droplet-size distributions into different groups based on similar droplet-size spectra characteristics within groups and distinction between groups. A generalized linear logistic regression model was fitted to analyze the effects of a number of factors and their interactions on the grouping of oil droplet-size spectra. The grouped results corresponded to the oil dispersion efficiency at different levels. This new method for droplet-size distribution data analysis can have significant implication in field evaluation of natural and chemical dispersion efficiency of oil.

Original languageEnglish (US)
Pages (from-to)2129-2136
Number of pages8
JournalMarine Pollution Bulletin
Volume62
Issue number10
DOIs
StatePublished - Oct 2011
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Oceanography
  • Aquatic Science
  • Pollution

Keywords

  • Dispersant efficacy
  • Entropy analysis
  • Oil droplet-size spectra
  • Oil spill

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