Biogeosciences Discuss., https://doi.org/10.5194/bg-2019-146 Manuscript under review for journal Biogeosciences Discussion started: 16 May 2019 c Author(s) 2019. CC BY 4.0 License. 1 Spatial distribution of environmental indicators in surface 2 sediments of Lake Bolshoe Toko, Yakutia, Russia 3 4 Boris K. Biskaborn1*, Larisa Nazarova1,2,3, Lyudmila A. Pestryakova4, Liudmila 5 Syrykh5, Kim Funck1,6, Hanno Meyer1, Bernhard Chapligin1, Stuart Vyse1, Ruslan 6 Gorodnichev4, Evgenii Zakharov4,7, Rong Wang8, Georg Schwamborn1,9, Bernhard 7 Diekmann1,2 8 9 *Corresponding author’s Email:
[email protected] 10 11 1 Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Potsdam, Germany 12 2 University of Potsdam, Potsdam, Germany 13 3 Kazan Federal University 14 4 North-Eastern Federal University of Yakutsk, Russia 15 5 Herzen State Pedagogical University of Russia, St. Petersburg, Russia 16 6 Humboldt University Berlin, Germany 17 7 Institute for Biological Problems of Cryolithozone Siberian Branch of RAS, Yakutsk, Russia 18 8 Key Laboratory of Submarine Geosciences, State Oceanic Administration, Hangzhou, China 19 9 Free University of Berlin, Berlin, Germany 20 21 Manuscript status: 22 Approved by all authors. English proofread. 23 24 Keywords: 25 Diatoms, chironomids, XRF elements, XRD minerals, grain-size distribution, oxygen isotopes, 26 organic carbon 27 28 Abstract 29 30 Rapidly changing climate in the northern hemisphere and associated socio- 31 economic impacts require reliable understanding of lake systems as important 32 freshwater resources and sensitive sentinels of environmental changes. To better 33 understand time-series data in lake sediment cores it is necessary to gain 34 information on within-lake spatial variabilities of environmental indicator data.