Historical
gold
mining
has
resulted
in
heavy
metal
enrichment
soils,
which
become
a
major
concern
for
environmental
management
and
public
health.
Given
its
great
significance,
this
study
presented
combined
use
of
three-dimensional
(3D)
models
soil
pollution
plumes
ecological
hazards
statistical
analysis
to
enhance
the
current
knowledge
contamination
status
an
abandoned
area.
The
results
showed
that
mean
concentrations
Cd,
Pb,
Zn,
As
Hg
significantly
exceeded
their
corresponding
background
values.
principal
component
Pearson
correlation
revealed
were
dominant
from
diverse
anthropogenic
sources
with
complex
background,
while
Cr,
Cu
Ni
mainly
natural
origins.
order
both
within
outside
area,
varied
showing
highest
volume,
followed
by
Ni,
Cu,
Cr
former
case,
As,
latter
case.
hazard
model
suggested
displayed
high
risk
area
was
also
identified
as
contributor.
above
indicated
main
pollutant
caused
hazards.
multisource
information
obtained
present
helpful
local
authorities
develop
effective
remediation
strategies
sites
contaminated
activities.
