Articles | Volume 9, issue 2
Research article
16 May 2018
Research article |  | 16 May 2018

Influence of atmospheric internal variability on the long-term Siberian water cycle during the past 2 centuries

Kazuhiro Oshima, Koto Ogata, Hotaek Park, and Yoshihiro Tachibana

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Cited articles

Aagaard, K. and Carmack, E. C.: The role of sea ice and other fresh water in the Arctic circulation, J. Geophys. Res.-Oceans, 94, 14485–14498,, 1989. 
Aagaard, K. and Carmack, E. C.: The Arctic Ocean and Climate: A Perspective, in: The Polar Oceans and Their Role in Shaping the Global Environment, edited by: Johannessen, O. M., Muench, R. D., and Overland, J. E., American Geophysical Union, Washington, D.C., USA, 5–20,, 1994. 
ArcticRIMS: Observed river discharge, available at:; last access: 26 April 2018. 
Arpe, K., Leroy, S. A. G., Wetterhall, F., Khan, V., Hagemann, S., and Lahijani, H.: Prediction of the Caspian Sea Level using ECMWF seasonal forecasts and reanalysis, Theor. Appl. Climatol., 117, 41–60,, 2013. 
Berezovskaya, S.: Compatibility analysis of precipitation and runoff trends over the large Siberian watersheds, Geophys. Res. Lett., 31, L21502,, 2004. 
Short summary
Long-term variations in the Siberian river discharges of the Lena in the east and the Ob in the west were examined based on the observations, tree-ring reconstructions, and simulations with atmospheric and climate models. The discharges of the two rivers tended to be negatively correlated during the past 2 centuries. An east–west seesaw pattern of summertime large-scale atmospheric circulation frequently emerges over Siberia as an internal variability. This results in the negative correlations.
Final-revised paper