Brief communication : glacier mapping and change estimation using very high-resolution declassified Hexagon KH-9 panoramic stereo imagery (1971-1984)
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The panoramic cameras (PCs) on board Hexagon KH-9 (KH-9PC) satellite missions from 1971-1984 captured very high-resolution stereo imagery with up to 60gcm spatial resolution. This study explores the potential of this imagery for glacier mapping and change estimation. We assess KH-9PC imagery using data from the KH-9 mapping camera (KH-9MC), KH-4PC, and SPOT and Pléiades satellite imagery. The high resolution of KH-9PC leads to higher-quality DEMs, which better resolve the accumulation region of the glaciers in comparison to the KH-9MC. On stable terrain, KH-9PC DEMs achieve an elevation accuracy of
Ghuffar , S , King , O , Guillet , G , Rupnik , E & Bolch , T 2023 , ' Brief communication : glacier mapping and change estimation using very high-resolution declassified Hexagon KH-9 panoramic stereo imagery (1971-1984) ' , Cryosphere , vol. 17 , no. 3 , pp. 1299-1306 . https://doi.org/10.5194/tc-17-1299-2023
Copyright © Author(s) 2023. This work is distributed under the Creative Commons Attribution 4.0 License.
DescriptionThis study was supported by the Swiss National Science Foundation (grant no. 200021E_177652/1) and the Strategic Priority Research Program of the Chinese Academy of Sciences (grant no. XDA20100300).
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