Transformation of crop structure intensified extreme drought shocks to prehistoric settlements: an integrated study of lacustrine sediments and environmental archaeology in southwestern China - Tao Wang; Duo Wu; Zehui Li; Qili Xiao; Dan Luo; Shilong Guo; Lili Pan; Lin Chen; Yongxiu Lu; Shuai Shao; Zijie Yuan; Peiyao Xu; et al. (Global and Planetary Change, 2026)