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ndsi

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Multi-decadal clean-ice and nival-line retrieval from STAC-indexed Landsat/Sentinel-2 archives: band-ratio segmentation, majority-rule epoch compositing, robust non-parametric trends, cross-sensor agreement and terrain-irradiance attribution. Sites resolved at runtime.

  • Updated Nov 1, 2026
  • Python

Global glacier area change 1990-2024 using NDSI classification of Landsat 5/7/8/9 imagery via Google Earth Engine Python API. Mann-Kendall trend analysis across Himalaya, Alps, Andes and Karakoram. Quelccaya Ice Cap: 46% loss in 34 years (p<0.001).

  • Updated Jul 1, 2026
  • Python

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