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Evaluating and Zoning Subsidence Risk using MABAC and ANP Adaptive ...
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One of the dangers facing Iran s plains is subsidence.
Land subsidence due to various reasons,
such as over-harvesting of underground water sources and
climate changes, has caused many
problems in agricultural lands, roads, and power and
energy transmission lines. Therefore, it is
important to deal with the causes and influencing factors
to control the risks. Ardabil plain is also
one of the areas prone to subsidence due to climate
changes and the decrease of underground
water in recent years. The aim of the present research is
the zoning subsidence risk in this plain.
First, the factors influencing subsidence in the Ardabil
plain (slope, land use, lithology, distance
from the fault, distance from the waterway, drop in water
level, distance from the city and the
village) were identified. Then the layers of data were
applied in the geographic information
system. In the next stage, the weighting of the
investigated factors was done using ANP method
and in the Super Decision software, and the final
analysis and modeling were done using the
MABAC method as one of the multi-criteria decision making
methods. Finally, the resulting map
was classified into five categories from very low risk to
very high risk. The results showed that
such factors as water level drop, distance from the river
and lithology have the highest weighting
factor. Moreover, 244.29 and 370.59 square kilometers,
respectively, of the area of this plain, are
in very dangerous and dangerous classes. Finally, due to
the high potential of Ardabil plain in
terms of subsidence, protective and management measures
should be taken into consideration by
relevant authorities and institutions.
Date Published: 2024-12-04 16:15:59
Identifier: geoeh-volume-11-issue-4-pages-43-68
Item Size: 14665926
Media Type: texts
# Topics
Hazards
Subsidence Phenomenon
MCDM
Ardabil Plain
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