Doklady Earth Sciences

, Volume 479, Issue 2, pp 507–510 | Cite as

Daily Course of CO2 Fluxes in the Atmosphere–Water System and Variable Fluorescence of Phytoplankton during the Open-Water Period for Lake Baikal according to Long-Term Measurements

  • V. V. Zavoruev
  • V. M. Domysheva
  • D. A. Pestunov
  • M. V. Sakirko
  • M. V. Panchenko
Geography

Abstract

The process of gas exchange of CO2 in the atmosphere–water system and its relation to the daily course of variable fluorescence of phytoplankton is studied on the basis of long-term (2004–2014) measurements during the open water period for Lake Baikal. It is found that the decrease in photosynthetic activity of plankton is almost synchronous to the increase in the CO2 flux from atmosphere to water. It follows from comparison of the spring and summer data with December measurements that the daily decrease in variable fluorescence of phytoplankton is caused by the internal daily rhythm of the photosynthetic activity of plankton.

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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • V. V. Zavoruev
    • 1
    • 2
  • V. M. Domysheva
    • 2
  • D. A. Pestunov
    • 3
  • M. V. Sakirko
    • 4
  • M. V. Panchenko
    • 3
  1. 1.Siberian Federal UniversityKrasnoyarskRussia
  2. 2.Institute of Computational Modeling, Siberian BranchRussian Academy of SciencesKrasnoyarskRussia
  3. 3.Zuev Institute of Atmospheric Optics, Siberian BranchRussian Academy of SciencesTomskRussia
  4. 4.Limnological Institute, Siberian BranchRussian Academy of SciencesIrkutskRussia

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