Landslides associated with recent road constructions in the Rio Lucma catchment, eastern Cordillera Blanca, Peru

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F86652079%3A_____%2F22%3A00566880" target="_blank" >RIV/86652079:_____/22:00566880 - isvavai.cz</a>

Result on the web

<a href="https://www.scielo.br/j/aabc/a/GQcgLthHZJypZ9ZvVDGvQDj/?lang=en" target="_blank" >https://www.scielo.br/j/aabc/a/GQcgLthHZJypZ9ZvVDGvQDj/?lang=en</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1590/0001-3765202220211352" target="_blank" >10.1590/0001-3765202220211352</a>

Result language

angličtina

Original language name

Landslides associated with recent road constructions in the Rio Lucma catchment, eastern Cordillera Blanca, Peru

Original language description

Extensive road construction works recently took place in the remote eastern part of the Peruvian Cordillera Blanca, aiming at a better connection of isolated mountain communities with regional administrative centres. Here we document and characterize landslides associated with these road construction efforts in the Rio Lucma catchment, Peru. We show that a total area of 321,332 m(2) has been affected by landslides along the 47.1 km of roads constructed between 2015 and 2018. While landslides downslope the roads (48.2%) and complex landslides crossing the roads (46.4%) were the most frequent landslide types in relation to the position of the road, slide-type movement (60.7%) prevails over the flow-type movement (39.3%). Timewise, we found that 75.0% of landslides were observed simultaneously with road construction work, while the remaining 25.0% occurred up to seven months after the roads had been constructed. We plotted the lagged occurrence of these subsequent landslides against precipitation data, showing that 85.7% of them were observed during the wet season (November to April). We conclude that the majority of mapped landslides were directly associated with road constructions and that the road constructions also may set preconditions for landslides, which mainly occurred during the subsequent wet season.

Czech name

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Czech description

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Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

10618 - Ecology

Project

<a href="/en/project/8J18AT032" target="_blank" >8J18AT032: Is the occurrence of slope movements in the Cordillera Blanca, Peru, influenced by the El Niño Southern Oscillation?</a><br>

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2022

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Anais Da Academia Brasileira de Ciencias

ISSN

0001-3765

e-ISSN

1678-2690

Volume of the periodical

94

Issue of the periodical within the volume

3

Country of publishing house

BR - BRAZIL

Number of pages

16

Pages from-to

e20211352

UT code for WoS article

000899436000012

EID of the result in the Scopus database

2-s2.0-85142837559