How satellite InSAR has grown from opportunistic science to routine monitoring over the last decade
COMET Deputy Director (Volcanoes), Prof. Juliet Biggs, and COMET Director, Prof. Tim Wright, have written a commentary on satellite InSAR for the 10 year anniversary of
Nature Communications out in print! Read the article here.
An orbiting satellite sends a coherent radar signal to the surface and measures the backscattered radiation. The phase difference (position in the wave cycle) between the signals returning at two different times (time 1 in black and time 2 in red) can be used to estimate ground movement caused by a range of mechanisms. https://www.nature.com/articles/s41467-020-17587-6/figures/1
