Mechanism producing the near-700 nm brightness peak in the emission spectra of water bodies and its possible applications in remote sounding of such bodies

A. A. Gitel'son, K. Ya Kondrat'yev

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In order to interpret multizonal video information from satellites and develop remote methods for airborne monitoring of water bodies in terms of spectrometric data for the visible region, we need to elucidate the mechanism producing the 'red peak' that occurs in the emission of spectra of such bodies near 700 nm. Various explanations of this peak have been offered: dispersion in the absorption band of phytoplankton and chlorophyll A fluorescence effects; phytoplankton flourescence effect. A.P. Vasil'kov and D.V. Kopelevich use a simple model to show that it could be produced by a corresponding minimum in the absorption spectrum at chlorophyll A concentrations greater than 1 mg/meter. They also show that the anomalous dispersion makes a negligible contribution to the red peak. In the present paper the authors attempt to elucidate the mechanism producing this brightness peak.

Original languageEnglish (US)
Pages (from-to)1-4
Number of pages4
JournalDoklady. Earth science sections
Issue number3
StatePublished - May 1 1990


ASJC Scopus subject areas

  • Engineering(all)

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