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3 Oceanological Studies

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On the usefulness of NOAA-AVHRR satelite data for estimating the component content in Baltic Sea water

100%

Oleszewski J. , Kowalczuk P. , Darecki M.

Oceanological Studies

1995

nr 68/8

51-60

The hypothetical response of the visible channel of the NOAA satelite detectors is discussed in order to discover to what extend the content of Baltic water can be distinguished.The experimental data from the spring of 1993 shows that, the applicability of the detector has been proven only in the direct evaluation of total suspended matter (TSM) concentration.The limitation ranges of TSM concentration for good and poor AVHRR detection are given.The results are illustrated with some AVHRR images, processed into the spatial distribution of total suspended in the Baltic's surface layer.

Chlorophyll vs AVHRR satelite data during Skagex Experiment

100%

Darecki M. , Kowalczuk P. , Sagan S. , Krezel A.

Oceanological Studies

1993

nr 64/3

49-50

A preliminary study of the spectral characteristics of the upward radiance field in the surface layer of the Baltic.An empirical algorithm for the remote detection of chlorophyll concentration

100%

Darecki M. , Olszewski J. , Kowalczuk P.

Oceanological Studies

1995

nr 68/8

27-49

The first results of experimental research into relations between the diffuse reflectance spectra of seawater and the concentrations of chlorophyll and total suspended mater in the surface layer are presented.The results allowed the preliminary classification of these waters into two basic groups, which differ from each other in the maximum reflectance and in the concentration ranges of total suspended matter.Each of the basic groups can be divided into two sub-groups, differing in the shape of the reflectance spectrum (defining the water colour), chlorophyll concentration and the level of correlation between concentrations of chloriophyll and total suspended matter.On the basis of above data a local algorithm for the radiometric estimation of chlorophyll content in the surface layer of the BAltic is also developed and presentes.