Influence of chosen parameters on seasonal changes of spectrum of light absorption coefficient in waters of the Pomeranian Bay (southern Baltic)

• Autorzy: Mrozek-Lejman J. , Mikłaszewicz B.
• Języki publikacji: EN

Abstrakty

EN

This paper presents influence of selected parameters on seasonal changes of light absorption coefficient spectrum in coastal waters of the Pomeranian Bay (suthern Baltic). Differentiation of spectral distributions of light absorption coefficient has been estimated on the basic of changes of concentration of selected optically active water components, namely: concentrations of chlorophyll a + pheophytin and yellow substance, in vegetation period April - November 1996 and 1997. Additionally, the time period July - August 1997 has been evaluated separately, due to the occurrence of flood which affected Polish and German area of the Oder River drainage basin. Two cumulative waves, which were created in the upper Oder, met in the mouthpart of the river causing long-term flux of high water between 22 July and mid August. The high water influence on the light absorption coefficient in waters of the Pomeranian Bay has been analysed taking into consideration the results obtained in previous year, before the flood. The results obtained for light absorption coefficient spectra and their changes with time are to a great extent of the estimation type. However, due to the eutrophic character of coastal waters and occurrence of large amounts of phytoplankton and yellow substance they can be regarded as a good approximation of water absorption properties in the Pomeranian Bay.

Słowa kluczowe

EN

light absorption coefficient; Pomeranian Bay

• Wydawca: Museum and Institute of Zoology, Polish Academy of Sciences
• Czasopismo: Polish Journal of Ecology
• Rocznik: 2001
• Tom: Vol. 49, nr 2
• Strony: 177--189
• Opis fizyczny: Bibliogr. 30 poz., Tab., rys., wykr.

Twórcy

autor

Mrozek-Lejman J.

• Institute of Physics University of Szczecin, ul. Wielkopolska 15, 70-451 Szczecin

autor

Mikłaszewicz B.

• Institute of Physics University of Szczecin, ul. Wielkopolska 15, 70-451 Szczecin

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