Articles | Volume 22, issue 12
https://doi.org/10.5194/hess-22-6279-2018
https://doi.org/10.5194/hess-22-6279-2018
Research article
 | 
06 Dec 2018
Research article |  | 06 Dec 2018

New profiling and mooring records help to assess variability of Lake Issyk-Kul and reveal unknown features of its thermohaline structure

Peter O. Zavialov, Alexander S. Izhitskiy, Georgiy B. Kirillin, Valentina M. Khan, Boris V. Konovalov, Peter N. Makkaveev, Vadim V. Pelevin, Nikolay A. Rimskiy-Korsakov, Salmor A. Alymkulov, and Kubanychbek M. Zhumaliev

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Cited articles

Alamatov, A. and Mikkola, H.: Is biodiversity friendly fisheries management possible on Issyk-Kul lake in the Kyrgyz Republic?, AMBIO: A Journal of the Human Environment, 40, 479–495, 2011. 
Antal, T. K.: A study of primary production and phytoplankton characteristics using a submersible fluorescent probe, PhD Thesis, Moscow State University, Department of Biology, Moscow, Russia, 2000. 
De Batist, M., Imbo, Y., Vermeesch, P., Klerkx, J., Giralt, S., Delvaux, D., Lignier, V., Beck, C., Kalugin, I., and Abdrakhmatov, K. E.: Bathymetry and sedimentary environments of Lake Issyk-Kul, Kyrgyz Republic (Central Asia): A large, high-altitude, tectonic lake, in: Lake Issyk-Kul: Its Natural Environment, edited by: Klerkx, J. and Imanackunov, B., Dordrecht, NATO Science Series, Kluwer, 101–123, 2001. 
ECMWF (European Centre for Medium-Range Weather Forecasts): ERA-Interim global atmospheric reanalysis, available at: https://www.ecmwf.int/en/forecasts/datasets/archive-datasets/reanalysis-datasets/era-interim, last access: 4 December 2018. 
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Short summary
This paper reports the results of field surveys conducted in Lake Issyk-Kul in 2015–2017 and compares the present-day data with the available historical records. Our data do not confirm the reports of progressive warming of the deep Issyk-Kul waters as suggested in some previous publications. However, they do indicate a positive trend of salinity in the lake’s interior over the last 3 decades. An important newly found feature is a persistent salinity maximum at depths of 70–120 m.
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