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The Gangdese Range, which lies north of the crest of the high Himalaya, forms the southern boundary of the internally drained section of the Tibetan Plateau. The development of this internal drainage and the role that uplift of the Gangdese may have played is enigmatic. In collaboration with Andrew Laskowski and Mike Taylor, my students and I are working on understanding the exhumation, erosion, and topographic history of the Gangdese and placing this into the context of the evolution of the drainage network along the southern Tibetan Plateau.
Along-Strike View of the Himalaya and Southern Tibetan Plateau
Along-Strike View of the Himalaya and Southern Tibetan Plateau
We developed a unique projection system to project data along the arc of the Himalaya to be able to compare data from throughout the range while preserving the structural position of the individual observations. This allows us to view the relationship between the topography, drainage divides, records of exhumation, and geodetic measures of vertical motion. This comparison highlights that the Gangdese Range appears to be currently experiencing surface uplift at rates on par with the main Himalaya and have a consistent signal of young cooling ages. Results of this analysis are reported in an issue of GSA Today (Taylor et al., 2021).
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