1 1 A taxonomically harmonized and temporally standardized fossil pollen dataset 2 from Siberia covering the last 40 ka 3 Xianyong Cao1*, Fang Tian1, Andrei Andreev1,2,, Patricia M. Anderson3, Anatoly V. Lozhkin4, 4 Elena Bezrukova5,6, Jian Ni7, Natalia Rudaya1,6,, Astrid Stobbe8, Mareike Wieczorek1, Ulrike 5 Herzschuh1,9,10 6 1 Alfred Wegener Institute for Polar and Marine Research, Research Unit Potsdam, Telegrafenberg A43, 14473 7 Potsdam, Germany 8 2 Institute of Geology and Petroleum Technologies, Kazan Federal University, Kremlevskaya 18, 420008 Kazan, 9 Russia 10 3 Earth and Space Sciences and Quaternary Research Center, University of Washington, Seattle, WA 98185, USA 11 4 North East Interdisciplinary Science Research Institute, Far East Branch Russian Academy of Sciences, 685000 12 Magadan, Russia 13 5 Vinogradov Institute of Geochemistry, Siberian Branch, Russian Academy of Sciences, ul. Favorskogo 1a, 14 664033 Irkutsk, Russia 15 6 Institute of Archeology and Ethnography, Siberian Branch, Russian Academy of Sciences, pr. Akad. Lavrentieva 16 17, 630090 Novosibirsk, Russia 17 7 College of Chemistry and Life Sciences, Zhejiang Normal University, Yingbin Road 688, 321004 Jinhua, China 18 8 Goethe University, Norbert-Wollheim-Platz 1, Frankfurt am Main 60629, Germany 19 9 Institute of Environmental Sciences and Geography, University of Potsdam, Karl-Liebknecht-Str. 24, 14476 20 Potsdam, Germany 21 10 Institute of Biochemistry and Biology, University of Potsdam, Karl-Liebknecht-Str. 24, Potsdam 14476, 22 Germany 23 Correspondence: Ulrike Herzschuh (
[email protected]) and Xianyong Cao (
[email protected]; 24
[email protected]) 2 25 * Present address: Key Laboratory of Alpine Ecology, CAS Center for Excellence in Tibetan Plateau Earth ciences, 26 Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, 100101, China 27 Abstract 28 Pollen records from Siberia are mostly absent in global or Northern Hemisphere 29 synthesis works.