Russian

• The fundamental purpose of research
• Research problems
• Research methods
• Subjects of inquiry
• Basic publication

The fundamental purpose of research:

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Research problems:

• To evaluate the climate and seismotectonics influence on sediment runoff (flood of solid matter) and on composition of the main sediment components
• To estimate quantitative correlation between bottom sediment properties and paleotemperature - humidity fluctuations
• To construct regional climatic chronology by the time series analysys of lithological-geochemical indicators within sedimentary sequences correlated with meteorological, historical and dendrochronological records

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Research methods:

Coring of bottom sediments from depths down to 1000 m by gravity tubes (up to 4 m long , 60-100 mm in diameter) and by a box-corer (14x14x20 cm).The mineralogical-petrographic description of a core and solid preparations from it, as well as diagnostics of clastic and authigene mineral phases. The sampling and the analysis of about 45 measured parameters of sedimentary columns with step 0.5 - 5 mm.The¹³⁷Cs and ²¹⁰Pb radioisothope dating of the top layers for an estimation of sedimentation rate.Time series analysis and other methods of statistical treatment.

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Subjects of inquiry:

Study of periodicity for different time scales is carried out on sedimentary sequences of the following lakes.

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Basic publication:

• V.A.Bobrov, I.A.Kalugin, M.A.Phedorin, SRXFA of Element Composition of Bottom Sediments from Teletskoye Lake // Nuclear Instruments and Methods in Physics Research, V. A405 (1998), pp. 569-571.

• Giralt, S., Riera S., J. Klerkx, R. Julia, V. Lignier, C. Beck, M. de Batist & I. Kalugin. Lake Issyk-Kul (Rep. Of Kyrgyzstan): an Example of Recent Evolution in a Continental Environment. Terra Nostra 2001/2; Girona, Spain. 30-36.

• I.A. Kalugin. Recent Bottom Fill of the Teletsk Basin. // The physical and geological environment of Lake Teletskoye, chapter 10. Tervuren. Royal Museum of Central Africa (Belgium), Ann. Sc. Geol., Vol.105 (2001) 263-282.

• E.L. Goldberg, M.A. Grachev, M.A. Phedorin, I.A. Kalugin, O.M. Khlystov, S.N. Mezentsev, I.N. Azarova, S.S. Vorobyeva, T.O. Zheleznyakova, G.N. Kulipanov, V.I. Kondratyev, E.G. Miginsky, V.M. Tsukanov, K.V. Zolotarev V.A. Trunova, Yu.P. Kolmogorov , V.A. Bobrov. Application of Synchrotron X-Ray Fluorescent Analysis to Studies of the Records of Paleoclimates of Eurasia Stored in the Sediments of Lake Baikal and Lake Teletskoye // Nucl. Instr. and Meth. in Phys. Res. A 470 (2001) 388-395.

• De Batist, Y. Imbo, P. Vermeesch, J. Klerkx, S. Giralt, D. Delvaux, V. Lignier, C. Beck, I. Kalugin, K. Abdrakhmatov. Bathymetry and Sedimentary Environments of Lake Issyk Kul, Kyrgyz Republic (Central Asia): a large, high altitude, tectonic lake. // NATO advanced research workshop "The Issyk-Kul Lake: Evaluation of the Environmental State and its Remediation" Cholpon-Ata, Kyrgyzstan. 2000. NATO Science series IV, v. 13. Dordrecht/Boston/London, 2002. - P. 101-124

• A.V. Daryin, E.L. Goldberg, I.A. Kalugin, M.A. Phedorin, K.V. Zolotarev, N.V. Maksimova. The Ratio Coherent / Incoherent Scattering on the Sample as Climatic Correlated Paleosignal in Historical Layer (1860-1996) of Teletskoe Bottom Sediments // Surface, 2003, №12, p.53-55 (Rus.)

• A.V.Daryin, K.V.Zolotarev, I.A.Kalugin, N.V.Maksimova. Application of X-Ray Fluorescent Analysis with Synchrotron Radiation (SRXFA) for Definition of Microelement Composition of Bottom Sediments from Hovsgol Lake (Mongolia). Search of Geochemical Indicators for Processes of Sedimentation and Paleoclimate Variations in Baikal Rift Zone // Surface, 2003, №12, p.45-48 (Rus.)

• A.V.Daryin, I.A.Kalugin, K.V.Zolotarev. The Scanning XRF-microanalysis of Annual Layers in Microsection of Bottom Sediments Lake Teletskoe // Digest Reports of the XV International Synchrotron Radiation Conference, 2004, Novosibirsk, Russia, p.113 (Rus.)

• A.V.Daryin, I.A.Kalugin, N.V.Maksimova. Opportunities of XRFA SR on Definition of Elements Composition of Lake Sediments for Studying Diagenesis Transformations of Geochemical Paleoclimatic Indicators // Digest Reports of the XV International Synchrotron Radiation Conference, 2004, Novosibirsk, Russia, p.114 (Rus.)

• A.V.Daryin, I.A.Kalugin, N.V.Maksimova, L.G.Smolyaninova, E.L.Goldberg, K.V.Zolotarev. Highresolution Quantitative Reconstruction of Variations of Temperature and Humidity in Mountain Altai Region During 1200 -1900 Years According to Researsch of Cores Teletskoe Lake by Method Scanning XRF-analysis on Beams of SR from VEPP-3 // Digest Reports of the XV International Synchrotron Radiation Conference, 2004, Novosibirsk, Russia, p.116 (Rus.)

• A. Fedotov, A. Kazansky, D. Tomurhuu, G. Matasova, G. Ziborova, T. Zheleznyakova, S. Vorobyova, M. Fedorin, E. Goldberg, T. Oyunchimeg, T. Narantsetseg, E. Vologina, A. Yuldashev, I. Kalugin, O. Tomurtogoo and M. Grachev. A 1-Myr Record of Paleoclimates from Lake Khubsugul, Mongolia. // EOS.Vol. 85, No. 40, 5 October 2004, p.387 - 390p.

• I. Kalugin, V. Selegei, E. Goldberg, G. Seret. Rhythmic Fine-grained Sediment Deposition in Lake Teletskoye, Altai, Siberia, in Relation to Regional Climate Change // Quaternary International (in press)

• A.V. Daryin, I.A. Kalugin, N.V.Maksimova, L.G. Smolyaninova, K.V. Zolotarev. Use of a Scanning XRF Analysis on SR Beams from VEPP-3 Storage Ring for Research of a Cores Bottom Sediments Teletskoe Lake with the Purpose of High Resolution Quantitative Reconstruction of Last Millennium Paleoclimate // Nuclear Instruments and Methods in Physics Research (in press)

• The work was carried out with a financial support from the Russian Foundation for Basic Research, Grants No. 03-05-64949-а.

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Laboratory of ecogeology