TITLE:
Landslide Zoning in Amir-Almoemenin (AS) Water Supply Pipeline Complex, North Khorasan
AUTHORS:
Bizhan Shirdel, Ali Sorbi, Ali Solgi
KEYWORDS:
Landslide, Zoning, Amiralmoemenin Water Supply Pipeline, Mass Movements, Northern Khorasan
JOURNAL NAME:
Open Journal of Geology,
Vol.6 No.1,
January
19,
2016
ABSTRACT: Landslide term is used for
all mass movements on slopes, including falling, overturns and flow debris.
Using the potential landslide hazard zonation, areas with high potential of
landslide hazard can be detected and so prevent the landslide occurrence with
providing appropriate solutions. In this study, the landslide hazard zonation
along the water transmission lines of the Amir-Almomenin (AS) water supply
complex has been done. Studied area is located at the western part of the
Northern Khorasan (Bojnord). Study procedure includes the general geology
survey, recognition of the most important effective parameters on the landslide
phenomena (such as slope, lithology, faults and streams) and has been evaluated
as basic maps. Then, each layer was validated based on the importance of the
effective factors using the maps weighting method in ArcGis software. Finally,
the studied area was zoned based on the landslide potential using the
overlapping of the various layers. Final zonation map shows that the North,
Northwestern and Median parts of the studied area have the highest landslide potential.
These areas are included of Marl and red Marl and to some extend loss deposits
with slopes between 14 to more of 50 degrees. Seemingly, faults (due to low
occurrence) and streams (due to drought) have lower effect on the landslide
potential. However, the degree of the slope and type of lithology are the most
important parameters on the landslide potential, respectively.