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Heterotrophic bacteria, with sizes peaking in the 0.4-0.7 um range and numerical abundance in the range of 10E11 to 10E13 cell m{-3}, can form a sizeable part of the particulate organic carbon present in the sea. Only recently it has been recognized that bacteria can be significant scatterers and absorbers of light, especially at blue wavelengths and in clear oceanic waters. Thus it is of interest to include the contribution of heterotrophic bacteria in multi-component models that describe radiation transfer in water. The bacteria concentration can be conveniently expressed in terms of their volume absorption coefficient, that is the light absorption of the bacteria contained in a cubic meter of water.

Additional information

Authors: TASSAN S, JRC Ispra (IT);FERRARI G M, JRC Ispra (IT)
Bibliographic Reference: Paper presented: XII Congresso Associazione Italiana di Oceanologia e Limnologia, Isola di Vulcano (IT), September 19-21, 1996
Availability: Available from (1) as Paper EN 40060 ORA
Record Number: 199611269 / Last updated on: 1996-10-29
Original language: en
Available languages: en
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