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The Brahmaputra River Basin (BRB), a vital and dynamic river system, is significantly affected by natural processes and tectonic forces, impacting regional socio-economic activities and environmental sustainability. The research described in this chapter used high-resolution 16 m Chinese Gaofen-1/6 Wide Field of View (WFV) multi-temporal imagery to analyze sinuosity variations from 2014–2025, from which detailed geomorphological signatures were derived. Recent changes in the morphology of the transboundary Brahmaputra River (BR) channel section shared between India and Bangladesh are assessed, together with the land use and land cover (LULC) impacts induced by dynamic river activity, and ongoing tectonic activity. Our analysis reveals that dramatic changes and tectonic influences have shaped the river’s morphology in recent times, and identifies areas of high vulnerability to tectonic activities requiring targeted environmental management and disaster risk reduction strategies. The combination of remote sensing and GIS techniques provides a comprehensive understanding of the BR’s dynamic behavior, offering valuable insights for sustainable river basin management and policy development. Finally, the chapter contributes to the broader knowledge of river dynamics and tectonic interactions, and demonstrates the usefulness of Chinese Gaofen-1/6 WFV imagery together with geospatial techniques for addressing complex environmental challenges.

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Tectono-Geomorphological and LULC Changes in the Transboundary Section of the New Brahmaputra River Channel Using Chinese Gaofen-1/6 WFV (16 m) Datasets and Geospatial Techniques

  • 章节

  • 发表日期：

    2026年

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  • Biswajit Nath,
  • Bo Zhong,
  • Junjun Wu,
  • Aixia Yang,
  • Shanlong Wu,
  • Shukla Acharjee,
  • Nandini Choudhury,
  • Atin Kumar Mitra

摘要

The Brahmaputra River Basin (BRB), a vital and dynamic river system, is significantly affected by natural processes and tectonic forces, impacting regional socio-economic activities and environmental sustainability. The research described in this chapter used high-resolution 16 m Chinese Gaofen-1/6 Wide Field of View (WFV) multi-temporal imagery to analyze sinuosity variations from 2014–2025, from which detailed geomorphological signatures were derived. Recent changes in the morphology of the transboundary Brahmaputra River (BR) channel section shared between India and Bangladesh are assessed, together with the land use and land cover (LULC) impacts induced by dynamic river activity, and ongoing tectonic activity. Our analysis reveals that dramatic changes and tectonic influences have shaped the river’s morphology in recent times, and identifies areas of high vulnerability to tectonic activities requiring targeted environmental management and disaster risk reduction strategies. The combination of remote sensing and GIS techniques provides a comprehensive understanding of the BR’s dynamic behavior, offering valuable insights for sustainable river basin management and policy development. Finally, the chapter contributes to the broader knowledge of river dynamics and tectonic interactions, and demonstrates the usefulness of Chinese Gaofen-1/6 WFV imagery together with geospatial techniques for addressing complex environmental challenges.