Himalaya flexture watts3/14/2023 ![]() Based on the analysis of T e and F distributions, we suggest (1) the northern Tibetan Plateau could be the front edge of the plate collision of Eurasian and Indian plates (2) the southern and part of central Tibetan Plateau have a strong lithospheric mantle related to the rigid underthrusting Indian plate (3) the southeastern Tibetan Plateau may be experiencing the delamination of lithosphere and upwelling of asthenosphere.įigure 1. Main tectonic features, topography, and seismicity in the western China and surrounding areas. Our results show that the joint inversion method can yield reliable T e and F values. The internal loads are considered and investigated using the load ratio ( F). To provide more reliable T e estimations, we used a new joint inversion method that integrated both admittance and coherence techniques to compute the T e in this study, with the WGM2012 gravity data, the ETOPO1 topographic data, and the Moho depths from the CRUST1.0 model. Moreover, most of them ignored the internal loads of the lithosphere during the T e calculation, which can produce large biases in the T e estimations. ![]() ![]() Previous researchers only used one of the admittance or coherence methods to investigate the T e in the western China. The effective elastic thickness ( T e) of the lithosphere can be used to address the lithospheric strength. The lithospheric strength is a key factor in controlling the lithosphere dynamics and deformations. It is an ideal place to study the lithosphere dynamics and tectonic evolutions on the continental Earth. The western China lies in the convergence zone between Eurasian and Indian plates.
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