Fig. 1

Study area. The black dashed line in the figure represents the boundary of the Tibetan Plateau51. The background image is a 5ākm SRTM DEM. The figure also includes an indication of some of the terrain within and around the Tibetan Plateau.

Study area. The black dashed line in the figure represents the boundary of the Tibetan Plateau51. The background image is a 5ākm SRTM DEM. The figure also includes an indication of some of the terrain within and around the Tibetan Plateau.