RT Journal T1 Comparison analysis of sampling methods to estimate regional precipitation based on the Kriging interpolation methods: A case of northwestern China A1 JinKui Wu, ShiWei Liu, LePing Ma, Jia Qin, JiaXin Zhou, Hong Wei PB Sciences in Cold and Arid Regions FD 2016-12-01 YR 2016 JF Sciences in Cold and Arid Regions JO Sciences in Cold and Arid Regions VO 8 IS 6 SP 485 DO 10.3724/SP.J.1226.2016.00485 K1 Kriging interpolation method;sampling methods;spatial sandwich sampling;precipitation;northwestern China LK {http://www.scar.ac.cn/CN/article/article_121.shtml}