Journal of Paleolimnology

, Volume 33, Issue 3, pp 303–311 | Cite as

Climato-hydrological environment inferred from Lake Baikal sediments based on an automatic orbitally tuned age model



We propose a new automatic orbital tuning algorithm to adjust climatic signals to insolation. This can tune two signals with periodicity only without shape similarity. A Genetic Algorithm (GA) is used as an optimizing method. The new age model for the Brunhes epoch in Lake Baikal core BDP98 defined climatic shifts at about 250 kyr B.P., 350 kyr B.P. and 700 kyr B.P. The sedimentation rate for the interval from 350 kyr B.P. to 700 kyr B.P. was comparatively low and stable. This new model also indicates that there was a stadial during the super interglacial period (MIS 11), and that the terrestrial response to climate change was complex in this period.


Genetic Algorithm Lake Baikal Orbital tuning Sediment physical properties 


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Copyright information

© Springer 2005

Authors and Affiliations

  1. 1.Department of Earth SciencesKanazawa UniversityKanazawaJapan
  2. 2.Institute of Nature and Environmental TechnologyKanazawa UniversityKanazawaJapan

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