%0 Dataset %T Tree ring substitution index of climate change in desert area of lower reaches of Heihe River in 2012 %J National Cryosphere Desert Data Center %I National Cryosphere Desert Data Center(www.ncdc.ac.cn) %U http://www.ncdc.ac.cn/portal/metadata/ed49e4f6-ebcc-47eb-8e91-314f6a403659 %W NCDC %R 10.12072/ncdc.nieer.db3078.2023 %A Xiao shengchun %K precipitation;The climate is dry;index;climate;Tree ring change %X