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A new algorithm for simultaneous retrieval of aerosol and marine parameters in coastal environments

  • K. Stamnes
  • , W. Li
  • , Y. Fan
  • , B. Hamre
  • , O. Frette
  • , A. Folkestad
  • , K. Sorensen
  • , J. J. Stamnes

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

3 Scopus citations

Abstract

We present simultaneous retrievals of aerosol and marine parameters in coastal areas from ocean color data using the OC-SMART algorithm, Ocean Color: Simultaneous Marine and Aerosol Retrieval Tool. OC-SMART uses a one-step nonlinear optimal estimation/Levenberg-Marquardt method instead of the traditional two-step look-up table approach to improve retrieval accuracy, and a radial basis function neural network (RBF-NN) forward radiative transfer model for the coupled atmosphere-water system to increase retrieval speed without loss of accuracy. We discuss applications of OC-SMART to analyze SeaWiFS, MERIS, and MODIS images obtained over coastal waters. Five parameters are obtained from the retrieval: aerosol optical depth, aerosol bi-modal fraction, chlorophyll concentration, CDOM absorption, and backscattering coefficient. The water leaving radiance is provided as a by-product.

Original languageEnglish
Title of host publicationRadiation Processes in the Atmosphere and Ocean, IRS 2012 - Proceedings of the International Radiation Symposium (IRC/IAMAS)
Pages919-922
Number of pages4
DOIs
StatePublished - 2013
EventInternational Radiation Symposium: Radiation Processes in the Atmosphere and Ocean, IRS 2012 - Berlin, Germany
Duration: 6 Aug 201210 Aug 2012

Publication series

NameAIP Conference Proceedings
Volume1531
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceInternational Radiation Symposium: Radiation Processes in the Atmosphere and Ocean, IRS 2012
Country/TerritoryGermany
CityBerlin
Period6/08/1210/08/12

Keywords

  • Coastal water
  • Ocean color
  • Radiative transfer
  • Remote sensing

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