A GIS STUDY OF LANDSLIDES IN THE LOWER LOS AMIGOS FORELAND OF PERU

A GIS study of landslides in the lower Los Amigos sub-basin in Peru, where human influence on drainage is nearly non-existent, was performed to determine environmental variables controlling landslides. GIS layers consisted of slope, landslides (381 digitized), Soils, and elevation. I applied Ripleys...

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Main Author: Khanal, Suresh Prasad
Other Authors: Ranjan S Muttiah
Format: Others
Language:en
Published: Texas Christian University 2006
Subjects:
Online Access:http://etd.tcu.edu/etdfiles/available/etd-08022006-120445/
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spelling ndltd-TCU-oai-etd.tcu.edu-etd-08022006-1204452013-01-08T02:48:37Z A GIS STUDY OF LANDSLIDES IN THE LOWER LOS AMIGOS FORELAND OF PERU Khanal, Suresh Prasad College of Science and Engineering A GIS study of landslides in the lower Los Amigos sub-basin in Peru, where human influence on drainage is nearly non-existent, was performed to determine environmental variables controlling landslides. GIS layers consisted of slope, landslides (381 digitized), Soils, and elevation. I applied Ripleys K-function to estimate spatial extent of correlation between the landslides. The MIKE-SHE hydrologic model was used to determine the unsaturated soil-water pressure in the soil profile. Spatial regressions were performed between landslide counts in a 1X1 km grid and environmental variables: slope, aspect, distance of landslide from nearest river, and soil-water pressure. My conclusions are that landslides were spatially correlated at about 2km lengths, and variations of pore-water pressure in the soils significantly controlled landslide occurrence. Landslides along river meander paths may be an important factor that controls the evolution of foreland basins Ranjan S Muttiah Texas Christian University 2006-08-02 text application/pdf application/msword http://etd.tcu.edu/etdfiles/available/etd-08022006-120445/ http://etd.tcu.edu/etdfiles/available/etd-08022006-120445/ en unrestricted I hereby certify that, if appropriate, I have obtained and attached hereto a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee. I hereby grant to TCU or its agents the non-exclusive license to archive and make accessible, under the conditions specified below, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report.
collection NDLTD
language en
format Others
sources NDLTD
topic College of Science and Engineering
spellingShingle College of Science and Engineering
Khanal, Suresh Prasad
A GIS STUDY OF LANDSLIDES IN THE LOWER LOS AMIGOS FORELAND OF PERU
description A GIS study of landslides in the lower Los Amigos sub-basin in Peru, where human influence on drainage is nearly non-existent, was performed to determine environmental variables controlling landslides. GIS layers consisted of slope, landslides (381 digitized), Soils, and elevation. I applied Ripleys K-function to estimate spatial extent of correlation between the landslides. The MIKE-SHE hydrologic model was used to determine the unsaturated soil-water pressure in the soil profile. Spatial regressions were performed between landslide counts in a 1X1 km grid and environmental variables: slope, aspect, distance of landslide from nearest river, and soil-water pressure. My conclusions are that landslides were spatially correlated at about 2km lengths, and variations of pore-water pressure in the soils significantly controlled landslide occurrence. Landslides along river meander paths may be an important factor that controls the evolution of foreland basins
author2 Ranjan S Muttiah
author_facet Ranjan S Muttiah
Khanal, Suresh Prasad
author Khanal, Suresh Prasad
author_sort Khanal, Suresh Prasad
title A GIS STUDY OF LANDSLIDES IN THE LOWER LOS AMIGOS FORELAND OF PERU
title_short A GIS STUDY OF LANDSLIDES IN THE LOWER LOS AMIGOS FORELAND OF PERU
title_full A GIS STUDY OF LANDSLIDES IN THE LOWER LOS AMIGOS FORELAND OF PERU
title_fullStr A GIS STUDY OF LANDSLIDES IN THE LOWER LOS AMIGOS FORELAND OF PERU
title_full_unstemmed A GIS STUDY OF LANDSLIDES IN THE LOWER LOS AMIGOS FORELAND OF PERU
title_sort gis study of landslides in the lower los amigos foreland of peru
publisher Texas Christian University
publishDate 2006
url http://etd.tcu.edu/etdfiles/available/etd-08022006-120445/
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