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Table 2 Detail of high-resolution satellite optical images used in this study

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

Area

Satellite

Acquisition date of scenes (dd/mm/yyyy)

Mayya

WorldView-2

Pleiades-1B

12/09/2019

04/06/2021

Churapcha

WorldView-2

WorldView-3

11/09/2011, 04/06/2021

14/06/2021

Tyungyulyu

Pleiades-1B

26/07/2013, 05/08/2013, 18/06/2019

Amga

WorldView-2

Pleiades-1B

05/08/2017, 20/06/2021

12/06/2019