2Bishop M P,Shroder J F,Bonk R,et al.Geomorphic change in high mountains:a western Himalayan perspective[J].Global and Planetary Change,2002,32:311-329.
3Fielding E J.Tibet uplift and erosion[J].Tectonophysics,1996,260:55-84.
4Grohmann C H.Morphometric analysis in geographic information systems:applications of free software GRASS and R[J].Computers & Geosciences,2004,30:1055-1067.
