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Progress in Earth and Planetary Science
Fig. 4 | Progress in Earth and Planetary Science

Fig. 4

From: Ground subsidence and polygon development due to thermokarst in the Lena-Aldan interfluve, eastern Siberia, revealed by satellite remote sensing data

Fig. 4

(a) WorldView-2 image captured in 2019 over Mayya; (b) Elevation around Mayya; (c) Spatial distribution of cumulative surface displacement. M1–M4 denote sites used for extracting time-series displacement data shown in (d). Stars indicate the reference points used to calibrate InSAR phases; (d) Time-series plots of the four selected sites shown in (c)

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