Spatial variability and temporal trends of precipitation over the Loess Plateau of China: 1957-2013Yu Yang, Zhe Yin, Zhijie Shan, Qin Wei, Bai Li, Qiankun Guo, Long Wei, Qun Wang and Jingfeng ZhangMATEC Web Conf., 246 (2018) 01120DOI: https://doi.org/10.1051/matecconf/201824601120