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Caspian sea-level changes during the last millennium: historical and geological evidence from the south Caspian Sea

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http://pubman.mpdl.mpg.de/cone/persons/resource/persons37087

Arpe,  Klaus
MPI for Meteorology, Max Planck Society;

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cp-9-1645-2013.pdf
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Citation

Beni, A. N., Lahijani, H., Harami, R. M., Arpe, K., Leroy, S. A. G., Marriner, N., et al. (2013). Caspian sea-level changes during the last millennium: historical and geological evidence from the south Caspian Sea. Climate of the Past, 9, 1645-1665. doi:10.5194/cp-9-1645-2013.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0014-5CD0-9
Abstract
Historical literature may constitute a valuable source of information to reconstruct sea-level changes. Here, historical documents and geological records have been combined to reconstruct Caspian sea-level (CSL) changes during the last millennium. In addition to a comprehensive literature review, new data from two short sediment cores were obtained from the south-eastern Caspian coast to identify coastal change driven by water-level changes and to compare the results with other geological and historical findings. The overall results indicate a high-stand during the Little Ice Age, up to −21 m (and extra rises due to manmade river avulsion), with a −28 m low-stand during the Medieval Climate Anomaly, while presently the CSL stands at −26.5 m. A comparison of the CSL curve with other lake systems and proxy records suggests that the main sea-level oscillations are essentially paced by solar irradiance. Although the major controller of the long-term CSL changes is driven by climatological factors, the seismicity of the basin creates local changes in base level. These local base-level changes should be considered in any CSL reconstruction.