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Laboratory measurements of the optical properties of sea salt aerosol
1Atmospheric, Oceanic and Planetary Physics, Clarendon Laboratory, University of Oxford, UK
2Space Science and Technology Department, Rutherford Appleton Laboratory, Didcot, UK
Abstract. The extinction spectra of laboratory generated sea salt aerosols have been measured from 1 μm to 20 μm using a Bruker 66v/S FTIR spectrometer. Concomitant measurements include temperature, pressure, relative humidity and the aerosol size distribution. The refractive indices of the sea salt have been determined using a simple harmonic oscillator band model (Thomas et al., 2004) for aerosol with relative humidities between 0.1% to 100% sea salt. The resulting refractive index spectra show significant discrepancies when compared to existing sea salt refractive indices.
Discussion Paper (PDF, 1046 KB) Interactive Discussion (Final Response, 5 Comments)
Citation: Irshad, R., Grainger, R. G., Peters, D. M., McPheat, R. A., Smith, K. M., and Thomas, G.: Laboratory measurements of the optical properties of sea salt aerosol, Atmos. Chem. Phys. Discuss., 8, 71-94, 2008. Bibtex EndNote Reference Manager
