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Analyzing the effects of particle size on remotely sensed spectra: a study on optical properties and spectral similarity scale of suspended particulate matters in water |
Applied Optics, Vol. 52, Issue 4, pp. 879-888 (2013)
http://dx.doi.org/10.1364/AO.52.000879
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Abstract
Particle size is an important factor for determining the concentration of suspended particle matter (SPM) in water using optical remotely sensed data. We collected reflectance spectra of five SPM samples with different particle sizes in a controlled laboratory experiment using a spectroradiometer. The theoretical relationship between particle size distributions and backscattering coefficient was deduced based on a spectral reflectance model. The backscattering coefficient of the complete SPM sample can be computed using the linear weighted combination of four percentages of different subsamples. The spectral similarity scale results indicate the optimal optical bands and boundary conditions for particle size and concentration of SPM remote sensing. The particle size can be evaluated by optical remote sensing to improve the applicability and precision of remote sensing models for SPM concentration inversion.
© 2013 Optical Society of America
OCIS Codes
(010.7340) Atmospheric and oceanic optics : Water
(300.6170) Spectroscopy : Spectra
(280.4788) Remote sensing and sensors : Optical sensing and sensors
(280.1350) Remote sensing and sensors : Backscattering
(010.0280) Atmospheric and oceanic optics : Remote sensing and sensors
ToC Category:
Atmospheric and Oceanic Optics
History
Original Manuscript: August 30, 2012
Revised Manuscript: December 24, 2012
Manuscript Accepted: December 30, 2012
Published: February 1, 2013
Virtual Issues
Vol. 8, Iss. 3 Virtual Journal for Biomedical Optics
Citation
Yingcheng Lu, Guang Zheng, Qingjiu Tian, Chunguang Lyu, and Shaojie Sun, "Analyzing the effects of particle size on remotely sensed spectra: a study on optical properties and spectral similarity scale of suspended particulate matters in water," Appl. Opt. 52, 879-888 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-4-879
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