马芹, 张晓萍, 万龙, 等. 1957-2009年黄土高原地区风速变化趋势[J]. 自然资源学报, 2012, 27(12): 2124-2134. MA Qin, ZHANG Xiaoping, WAN Long, et al. Spatial and temporal trends of wind speed on the Loess Plateau during 1957-2009. Journal of Natural Resources, 2012, 27(12): 2124-2134. (In Chinese)