How to know subsidence or uplift from the pixel signs

[falahfakhri]

Have a look at this, I think it is helpful to understand better your question,

Webinar | InSAR for land subsidence using Sentinel-1 and SNAP

Hi, FYI, there is an upcoming RUS Copernicus webinar next 14th June 2018 at 14:00 CEST on how to use SAR interferometry (InSAR) to identify and map land subsidence using the ESA SNAP Sentinel-1 Toolbox and the RUS Copernicus cloud environment . Check this link for more information and registration. M