Hydrol. Earth Syst. Sci. Discuss., 6, 6087–6105, 2009 Hydrology and www.hydrol-earth-syst-sci-discuss.net/6/6087/2009/ Earth System HESSD © Author(s) 2009. This work is distributed under Sciences 6, 6087–6105, 2009 the Creative Commons Attribution 3.0 License. Discussions Papers published in Hydrology and Earth System Sciences Discussions are under Forest decline open-access review for the journal Hydrology and Earth System Sciences caused by high soil water conditions H. Iwasaki et al. Forest decline caused by high soil water Title Page conditions in a permafrost region Abstract Introduction Conclusions References 1 1 1 2 1 H. Iwasaki , H. Saito , K. Kuwao , T. C. Maximov , and S. Hasegawa Tables Figures 1Graduate School of Agriculture, Hokkaido University, North 9, West 9, Kita-ku, Sapporo, 060-8589, Japan J I 2Institute for Biological Problems of Cryolithozone, Siberian Division of Russian Academy of J I Sciences, 41, Lenin ave. Yakutsk, 678891, Russia Back Close Received: 28 August 2009 – Accepted: 7 September 2009 – Published: 23 September 2009 Correspondence to: H. Iwasaki (
[email protected]) Full Screen / Esc Published by Copernicus Publications on behalf of the European Geosciences Union. Printer-friendly Version Interactive Discussion 6087 Abstract HESSD In the permafrost region near Yakutsk, eastern Siberia, Russia, annual precipitation (June–May) in 2005–2006 and 2006–2007 exceeded the 26-year (1982–2008) mean of 6, 6087–6105, 2009 222±68 mm by 185 mm and 128 mm, respectively, whereas in 2007–2008 the excedent 5 was only 48 mm, well within the range of variability. Yellowing and browning of larch Forest decline (Larix cajanderi Mayr.) trees occurred in an undisturbed forest near Yakutsk in the 2007 caused by high soil summer growing season.