ArticleDating Turpan karezLi Xiaobo et al. · 2017 · Journal Arid Land · 90Why it matters: C14 on shaft timbersPlacesThe place this coversTurpan Karez (Kariz) Irrigation System — Turfan Depression🇨🇳 China · Xinjiang Uyghur Autonomous Region, Turpan Prefecture · Hydraulic works