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  1. 2 Oceanological Studies

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  1. 1 2001

  2. 1 1997

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  1. 2 Krezel A.

  2. 1 Kozlowski L.

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1

A model of solar energy input to the sea surface

100%
Krezel A.
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vol. 26
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issue 4
21-34
EN
On the basis of the papers of Bird and Riordan (1986), Justus and Paris (1985), Kr??el (1985, 1997) and Leckner (1978), a model of solar radiation energy input to the sea surface under real meteorological conditions has been developed. The model enables one to determine the flux or dose of total (direct + scattered) radiation within the whole visible light spectrum and any other spectrum interval in the range of 300-4000 nm. The initial data to the model are: atmospheric pressure and water vapour pressure at the sea surface and cloudiness. The seasonal mean long-term values of ozone and aerosol caused attenuation of light in the southern Baltic area were taken into account. The calculations performed for Gdynia and Hel regions are in a good agreement with the ac-tinometric data recorded in Gdynia. Therefore, the presented model could serve as a part of eco-logical model.
2

Verification of the model of a solar energy radiation input to the sea surface against actinometric data

80%
Krezel A., Kozlowski L.
Oceanological Studies
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2001
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vol. 30
|
issue 3-4
17-38
EN
Data on the planetary albedo which were registered in Channel 0.4 - 1.1 mum (VIS) by the geostationary satellite METEOSAT were used to determine a quantitative characteristic of a cloud cover over the Baltic Sea area. By applying the obtained results and the input data generated by the model of the Interdisciplinary Centre for Mathematical and Computational Modelling of the Warsaw University, calculations of irradiance on the sea surface were done using the model of radiation transmission in the Baltic Sea atmosphere. The results were compared to the actinometric data that were continuously recorded by the Gdansk Maritime Institute?s measuring buoy that was anchored at 18?31.094?E and 54?56.157?N. It was noted that the application of ICM model information on the atmosphere to the solar radiation transmission model results in decreasing the calculated irradiance values by approximately 15% in relation to the measured values. If cloud cover data in the input data set are replaced by relevant satellite data, then the average difference between the measured data and the modelled ones decreases to approximately 5%.
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