Brief communication: Radar images for monitoring informal urban settlements in vulnerable zones in Lima, Peru

Lima, Peru's capital, has about 9.6 million inhabitants and keeps attracting more residents searching for a better life. Many citizens, without access to housing subsidies, live in informal housing and shack settlements. A typical social phenomenon in Lima is the sudden illegal occupation of ar...

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Bibliographic Details
Published in:Natural hazards and earth system sciences 2022-01, Vol.22 (1), p.65-70
Main Authors: Moya, Luis, Garcia, Fernando, Gonzales, Carlos, Diaz, Miguel, Zavala, Carlos, Estrada, Miguel, Yamazaki, Fumio, Koshimura, Shunichi, Mas, Erick, Adriano, Bruno
Format: Article
Language:English
Subjects:
Communication
Earthquakes
Hazard mitigation
Housing
Radar
Radar imaging
Radar systems
Remote sensing
SAR (radar)
Seismic activity
Seismic engineering
Soil conditions
Subsidies
Synthetic aperture radar
Time series
Urban areas
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Summary:Lima, Peru's capital, has about 9.6 million inhabitants and keeps attracting more residents searching for a better life. Many citizens, without access to housing subsidies, live in informal housing and shack settlements. A typical social phenomenon in Lima is the sudden illegal occupation of areas for urban settlements. When such areas are unsafe against natural hazards, it is important to relocate such a population to avoid significant future losses. In this communication, we present an application of Sentinel-1 synthetic aperture radar (SAR) images to map the extension of a recent occupation of an area with unfavorable soil conditions against earthquakes.
ISSN:1684-9981
1561-8633
1684-9981
DOI:10.5194/nhess-22-65-2022