Impacts of the spatial extent of pollen-climate calibration-set on the absolute values, range and trends of reconstructed Holocene precipitation

Xianyong Cao, Alfred Wegener Institute Helmholtz Center for Polar and Marine Research, Potsdam, Germany, Fang Tian, Alfred Wegener Institute Helmholtz Center for Polar and Marine Research, Research Unit Potsdam, Potsdam, Germany, Richard Telford, University of Bergen, and Bjerknes Centre for Climate Research, EECRG, Department of Biology, Bergen, Norway, Jian Ni, Zhejiang Normal University, College of Chemistry and Life Sciences, Jinhua, China, Qinghai Xu, Hebei Normal University, College of Resources and Environment Sciences, Shijiazhuang, China, Fahu Chen, Lanzhou University, Key Laboratory of Western China's Environmental Systems (MOE), College of Earth Environmental Sciences, Lanzhou, China, Xingqi Liu, Capital Normal University, Beijing Key Laboratory of Resource Environment and GIS, College of Resource Environment and Tourism, Beijing, China, Martina Stebich, Senckenberg Research Station for Quaternary Palaeontology, Weimar, Germany, Yan Zhao, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, China and Ulrike Herzschuh, Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Potsdam, Germany