Hillslope-Scale Variability in Seasonal Frost Depth and Soil Water Content Investigated by GPR on the Southern Margin of the Sporadic Permafrost Zone on the Tibetan Plateau Ma, Yingzhao Zhang, Yinsheng Zubrzycki, Sebastian Guo, Yanhong Bin Farhan, Suhaib 2015 - Forschungsinformationssystem der UHH