A low-cost active reflector and a passive corner reflector network for assisting landslide monitoring using multi-temporal InSAR
Por:
Luzi G., Barra A., Gao Q., F.Espín-López P., Palamà R., Monserrat O., Crosetto M., Colell X.
Publicada:
1 ene 2022
Resumen:
A C-band Low-cost Active Reflector (AR) has been tested in a real experimental campaign aimed at monitoring through multi-temporal InSAR an area threatened by a landslide that occurred in 2019. To monitor and characterize the movement, a network of eight Passive Corner Reflectors and one Active Reflector were installed along a forested slope. A set of 285 interferograms obtained combining 60 Sentinel-1 SAR images were processed to evaluate the stability of the area. The AR, installed in a stable location close to the landslide, was used to provide a reference point in this low coherence area. Despite the high sensitivity of the phase response of such devices to temperature changes, the device operates with a stability of ±2 mm in deformation retrieval, a value acceptable for monitoring purposes, with a moderate range of temperature values. © 2022 Informa UK Limited, trading as Taylor & Francis Group.
Filiaciones:
Luzi G.:
Geomatics Research Unit, Centre Técnologic de Telecommunicacions de Catalunya (CTTC/CERCA), Barcelona, Spain
Barra A.:
Geomatics Research Unit, Centre Técnologic de Telecommunicacions de Catalunya (CTTC/CERCA), Barcelona, Spain
Gao Q.:
Geomatics Research Unit, Centre Técnologic de Telecommunicacions de Catalunya (CTTC/CERCA), Barcelona, Spain
F.Espín-López P.:
Geomatics Research Unit, Centre Técnologic de Telecommunicacions de Catalunya (CTTC/CERCA), Barcelona, Spain
Palamà R.:
Geomatics Research Unit, Centre Técnologic de Telecommunicacions de Catalunya (CTTC/CERCA), Barcelona, Spain
Monserrat O.:
Geomatics Research Unit, Centre Técnologic de Telecommunicacions de Catalunya (CTTC/CERCA), Barcelona, Spain
Crosetto M.:
Geomatics Research Unit, Centre Técnologic de Telecommunicacions de Catalunya (CTTC/CERCA), Barcelona, Spain
Colell X.:
Euroconsult, Andorra la Vella, Andorra
Green Submitted, All Open Access; Green Open Access
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