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Major landslides caused by agricultural irrigation in Peru

from The Landslide Blog

It is well-established that irrigation by farmers can be the cause of landslides, especially in areas with low rainfall totals. A very nice study was published in Nature Geoscience that uses a long archive of satellite data to examine landsliding on river cliffs in Peru. The study area, the Vitor and Siguas valleys in southern Peru, is hyper-arid, which has meant that historically agriculture has been limited to the flood plains of the incised river channels. more

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