Georgiy Kirillin

IGB, Abt.1, Ecohydrology
12587 Berlin, Müggelseedamm 310

Fields of Interests:

Physical processes in freshwater lakes

key words: lake hydrodynamics; heat and mass exchange across boundary layers; climatic impact on lake mixing and heat transport

Tel: (030) 64 181 669
Fax: (030) 64 181 663

kirillin@igb-berlin.de

Journal Articles

G. Kirillin. Modeling the impact of global warming on water temperature and seasonal mixing regimes in small temperate lakes. Boreal Env Res, 15: in press, 2010.

M. D. MacKay, P. J. Neale, C. D. Arp, L. N. De Senerpont Domis, X. Fang, G. Gal, K. Jöhnk, G. Kirillin, J. D. Lenters, E. Litchman, S. MacIntyre, P. Marsh, J. Melack, W. M. Mooij, F. Peeters, A. Quesada, S. G. Schladow, M. Schmid, C. Spence, H. G. Stefan, and S. L. Stokes. Modeling lakes and reservoirs in the climate system. Limnol Oceanogr, 54:in press, 2009.

G. Kirillin, C. Engelhardt, and S. Golosov. Transient convection in upper lake sediments produced by internal seiching. Geophys Res Let, 36:L18601, 2009. doi: 10.1029/2009GL040064

G. Kirillin, C. Engelhardt, S. Golosov, and T. Hintze. Basin-scale internal waves in the bottom boundary layer of an ice-covered lake. Aquatic Ecology, 43:641-651, 2009. doi: 10.1007/s10452-009-9274-3

A. Terzhevik, S. Golosov, N. Palshin, A. Mitrokhov, R. Zdorovennov, G. Zdorovennova, G. Kirillin, E. Shipunova, and I. Zverev. Some features of the thermal and dissolved oxygen structure in boreal, shallow ice-covered Lake Vendyurskoe, Russia. Aquatic Ecology, 43:617-627, 2009. doi: 10.1007/s10452-009-9288-x

G. Kirillin, C. Engelhardt, and S. Golosov. A mesoscale vortex in a small stratified lake. Env. Fluid Mech., 8:349-366, 2008. doi: 10.1007/s10652-008-9101-8

S. Golosov, O. A. Maher, E. Schipunova, A. Terzhevik, G. Zdorovennova, and G. Kirillin. Physical background of the development of oxygen depletion in ice-covered lakes. Oecologia, 151:331-340, 2007. doi: 10.1007/s00442-006-0543-8

D. Mironov, A. Terzhevik, G. Kirillin, T. Jonas, J. Malm, and D. Farmer. Radiatively-driven convection in ice-covered lakes: Observations, scaling and mixed-layer model. J. Geophys. Res., 107(C4):1-16, 2002. doi: 10.1029/2001JC000892

G. B. Kirillin, A. M. Kozlovskiy, V. M. Radikevich, and Yu. A. Romanov. On the currents in the Commonwealth Sea. Izv. RGO (Trans. of the Russian Geographical Society), 131(4):79-83, 1999.

K. D. Kreiman and G. B. Kirillin. Laboratory modeling of turbulent entrainment in a stratified fluid. Izvestiya, Atmos. Ocean Phys., 34(4):600-605, 1998.

Other Publications

G. Kirillin, S. Golosov, D. Mironov, and C. Engelhardt. Climate warming and shallow lakes: the role of bottom sediments and water transparency. In I. Schauzer and T. Strube, editors, Perspectives Of Lake Modelling Towards Predicting Reaction To Trophic Change, volume 9 of Kompetenzzentrum Wasser Berlin Publication Series, pages 77-81. Kompetenzzentrum Wasser Berlin gGmbH, 2008. ISBN 978-3-9811684-3-3.

S. Golosov, I. Zverev, A. Terzhevik, G. Kirillin, and C. Engelhardt. On the effective thermal diffusivity in ice-covered lakes. In L. Umlauf and G. Kirillin, editors, Proc. 11 Workshop on Physical Processes in Natural Waters, volume 25 of Berichte des IGB, pages 157-168, 2007.

C. Engelhardt, S. Golosov, P. Casper, M. Hupfer, and G. Kirillin. Seiche-induced convection in upper sediments. In F. Rueda Valdivia, editor, Proc. 10th European Workshop on Physical Processes in Natural Waters, pages 59-68, Granada, Spain, 2006. Granada University.

S. Golosov, A. Tolmachev, G. Kirillin, and E. Shipunova. Dimensional analysis applied to the lake ecosystem modeling. In F. Rueda Valdivia, editor, Proc. 10th European Workshop on Physical Processes in Natural Waters, pages 209–-210, Granada, Spain, 2006. Granada University.

G. Kirillin, C. Engelhardt, and S. Golosov. Observation of a cyclonic gyre produced by internal surge in a small deep lake. In A. Folkard and I. Jones, editors, Proc. 9th European Workshop on Physical Processes in Natural Waters, pages 61-68, United Kingdom, 2005. Lancaster University.

G. Kirillin, C. Engelhardt, and N. Nikolaevich. Density-driven near-shore currents in small strongly stratified Lake Stechlin. In L. Bengtsson and O. A. Maher, editors, Proc. 8th European Workshop on Physical Processes in Natural Waters, pages 13-17, Sweden, 2004. Lund University.

G. Kirillin. Modeling of the shalow lake response to climate variability. In A. Terzhevik, editor, Proc. Of the 7th Workshop on Physical Processes in Natural Waters, pages 144-148, Petrozavodsk, Russia, 2003. Karelian Scientific Centre, Russian Academy of Sciences.

G. Kirillin and A. Terzhevik. Radiative damping of convection near the maximum density temperature: A specific mixing regime in ice-covered lakes. In A. Terzhevik, editor, Proc. Of the 7th Workshop on Physical Processes in Natural Waters, pages 117-122, Petrozavodsk, Russia, 2003. Karelian Scientific Centre, Russian Academy of Sciences.

D. Mironov, G. Kirillin, E. Heise, S. Golosov, A. Terzhevik, and I. Zverev. Parameterization of lakes in numerical models for environmental applications. In A. Terzhevik, editor, Proc. Of the 7th Workshop on Physical Processes in Natural Waters, pages 135-143, Petrozavodsk, Russia, 2003. Karelian Scientific Centre, Russian Academy of Sciences.

G. Kirillin. Modeling of the Vertical Heat Exchange in Shallow Lakes. PhD thesis, Humboldt-Universität, Berlin, 2002.

G. Kirillin. On self-similarity of the pycnocline. In D. Boyer and R. Rankin, editors, Proceedings of the 3rd International Symposium on Environmental Hydraulics, Tempe, AZ, USA, 2001. 6pp. (Proceedings CD-ROM is available at <www.eas.asu.edu/iseh2001/book/>).

K. Kreyman, G. Kirillin, David L. Parnas, and Z. Wang. Using relational requirements documentation for software that models lake conditions. In D. Boyer and R. Rankin, editors, Proceedings of the 3rd International Symposium on Environmental Hydraulics, Tempe, AZ, USA, 2001. 6pp. (Proceedings CD-ROM is available at <www.eas.asu.edu/iseh2001/book/>).

G. Kirillin. On self-similarity of thermocline in shallow lakes. In X. Casamitjana, editor, Proc. 6th International Workshop on Physical Processes in Natural Waters, pages 221-225, Spain, 2001. University of Girona.

K. Kreyman, G. Kirillin, and L. A. Oganesyan. Modeling of coupling wind and baroclinic currents in a coastal zone. Oceanography, 14(1):32, 2001.

G. Kirillin, D. Mironov, and A. Terzhevik. Radiatively-driven spring convection in ice-covered lakes: The effect of salt concentration. In X. Casamitjana, editor, Proc. 6th International Workshop on Physical Processes in Natural Waters, pages 199-203, Spain, 2001. University of Girona.

S. D. Golosov and G. B. Kirillin. Modelling the lake response to an external phosphorus load. In A. Peltonen, E. Grönlund, and M. Viljanen, editors, Proceedings of the 3rd International Lake Ladoga Symposium, pages 388-392. University of Joensuu, Publications of Karelian Institute, 2000.

G. B. Kirillin and S. D. Golosov. Modelling accidental pollutant dispersal in Lake Ladoga. In A. Peltonen, E. Grönlund, and M. Viljanen, editors, Proceedings of the 3rd International Lake Ladoga Symposium, pages 407-413. University of Joensuu, Publications of Karelian Institute, 2000.

L. A. Oganesyan, S. D. Golosov, S. A. Kondratyev, G. B. Kirillin, I. S. Zverev, N. V. Ignatieva, and A. V. Tolmachev. Coastal and deep water problems of Lake Ladoga modelling. In Proceedings of the Workshop on Numerical Models - a Case Study of Lake Ladoga, pages 68-79, 1998.

G. Kirillin, L. Oganesyan, and A. Terzhevik. Analytical Modelling of Coastal Hydrodynamics of Large Reserviors. Report No 3221, Department of Water Resources Engineering, Lund Institute of Technology, Lund University, Lund, Sweden, 1998.

K. D. Kreiman, L. A. Oganesyan, G. B. Kirillin, and I. S. Zverev. Simulation of thermal and hydrodynamic processes in coastal waters of a big lake. In Proceedings of the 2nd International Lake Ladoga Symposium, page 30. University of Joensuu, Publications of Karelian Institute, 1996.

I. S. Zverev, K. D. Kreiman, G. B. Kirillin, N. V. Kochkov, and E. S. Sulkovsky. Winter/Spring field investigation of thermal processes in water-sediment system of shallow lake. In Proceedings of the 2nd International Lake Ladoga Symposium, page 56. University of Joensuu, Publications of Karelian Institute, 1996.

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Heat and mass transport in lakes under seasonal ice cover

2010-2012

Project KI-853/5 funded by German Research foundation (DFG)

Abstract

Heat and mass exchange in ice-covered lakes is still poorly investigated compared to the open water conditions. Yet, quantitative estimation of transport processes under the ice cover is of crucial importance for understanding of the ecosystem dynamics of freezing lakes and for estimation of the lake response to climate-driven changes in duration of the ice-covered period. The proposed project joins together three research teams from Germany, Finland and Russia with the aim to investigate the hydrodynamic processes and their effect on the mass transport, oxygen dynamics and plankton growth in seasonally ice-covered lakes at scales from the microscale turbulence to the synoptic and seasonal variability. A complex field program will be performed at Finnish and Russian lakes using the modern measurement techniques, which will be complemented with a cluster of numerical models and laboratory experiments, allowing resolving the mechanisms governing the heat storage, vertical and lateral transport of dissolved matter, oxygen depletion and early plankton development under ice.

Working Group

Prof. Dr. Matti Leppäranta
Department of Physics
University of Helsinki

Dr. Arkady Terzhevik
Northern Water Problems Institute,
Karelian Research Centre,
Russian Academy of Sciences

Effect of internal waves on microbiological habitats and activity as well as mass exchange on the water-sediment boundary of Lake Stechlin (Seiches and Bacteria)

2009-2011

Project GR-1540/15 funded by German Research foundation (DFG)

Abstract

In a srtatified lake the internal seiches (periodical oscillations of the thermocline) determine the temperature regime at the bottom slopes. Our previous research demonstrated for the first time that seiches generate periodic temperature variations in the upper sediment and produce pore-water convection. The upper sediment layer is the area of highest mocrobial activity, yet the consequences of these seiche-induced effect for the bacteria are completely unknown. The laboratory investigations will be aimed at uncovering the direct temperature effect as well as the indirect effect of the convective transport on the heterotrophic bacteria and on the biogeochemical processes in the upper sediment with outlook into the matter exchange between sediment and open water.

Working Group

Dr. Hans-Peter Grossart
Dr. Michal Hupfer
Dr. Georgiy Kirillin
Dr. Christof Engelhardt
Juliane Bernhardt
Katharina Frindte

Investigation of 3D Circulation in Lake Stechlin

2005-2008

Project KI853/2-1 funded by German Research foundation (DFG)

Abstract

Results of recent research on Lake Stechlin suggest increasing release of phosphorus from lake sediments that can impact the oligotrophic state of the lake on large time scales. In order to reveal the mechanisms increasing internal P-loading a hydrodinamic model can be applied, which calculates the circulation pattern in the entire lake and provide thereby with mixing parameters in the bottom boundary layer. Such 3D model will be adapted in the project to the small and deep lake conditions. The project combines modern modeling methods with advanced field measurements supporting the model. The high resolution measurement techniques will be applied for estimation of bottom currents and of concentrations of dissolved phosphorus in water and sediments. The coupled modeling and field research should uncover the role of atmospheric and topographic factors in the lake circulation and allow parameterisation of mass exchange processes on the water-sediments boundary layer. The aim of the invesitagions is to reconstruction and the circulation pattern in Lake Stechlin and to ascertain the role played by currents in P-loading.

Working Group

Dr. Georgiy Kirillin
Dr. Christof Engelhardt
Dr. Peter Casper

Climatic impact on temperature and mixing regime of polymictic lakes and its consequences for lake ecosystems

2005-2009

Project KI853/3-1 (continued as BE-1383/7)
in frames of DFG Priority Program AQUASHIFT

Abstract

The project aims at estimation of the freshwater lakes response to possible climatic changes. The study is focused on characteristics of vertical mixing in small or polymictic lakes (i.e., those mixed till the bottom at least once during summer heating periods), which are the majority of the European lakes. Special attention is to be paid to possible climatically-driven switching of the lake mixing regime between polymictic and dimictic ones that would effect drastically the lake’s ecology. As a result, criteria will be elaborated, associating possibility of such regime transition with existing climatic trends. A shallow lake physical model will be developed for this purpose, describing mixing and heat exchange processes processes in the entire sediments-water-ice system. Parameterization of lake morphometry in frames of one-dimensional modeling approach is foreseen as an important result of the project. Subsequent model experiments and comprehensive data analysis will allow determining the relation between annual mixing cycle, climatic conditions and lake morphometry. The second step will consist in analysis of possible changes in hydrological regime of German lakes based on atmospheric input from the modern climatic scenarios for the next 50 years. Thus, a background will be created for estimation of shallow lake ecosystem response to variability in atmospheric forcing on climatic scales. Integration of the new physical model into the shallow lake ecosystem model EMMO will be performed and first estimations of climatic changes impact on lake biological communities will be given.

working Group

Dr. Horst Behrendt
Dr. Sergey Golosov

Everything you need to know are the geographical coordinates, average depth of the lake and some estimate of lake water clarity. The online version of the model can help answering many frequently asked questions about lakes:

• "What is the typical surface temperature in the lake ZZ at the day YY of the month XX?"
• "Does the lake surface freeze in winter?"
• "At which depth the strong temperature drop (thermocline) occurs?"
• ..and many others.

• Researchers looking for information on typical seasonal temperature course, stratification pattern, mean ice cover duration in a lake, where no measurements are available;
• Fishermen, anglers, divers interested in the vertical position of the thermocline in order to locate the fish habitats;
• Anyone wno plans to spend holidays at an outlying lake in unpopulated area and wants to know if the water temperature will be good for bathing during that time.