Research on the traceability and treatment of nitrate pollution in groundwater: a comprehensive review
Environmental Geochemistry and Health,
Год журнала:
2025,
Номер
47(4)
Опубликована: Март 7, 2025
Язык: Английский
Environmental Risk Assessment of Metals in Groundwater in an Area of Jiujiang City, Jiangxi Province, China
Toxics,
Год журнала:
2025,
Номер
13(3), С. 197 - 197
Опубликована: Март 10, 2025
To
conduct
an
environmental
risk
assessment
for
metals
in
the
groundwater
of
a
site
Jiujiang
City,
Jiangxi
Province,
we
analyzed
seven
(Cr,
Zn,
Pb,
Ni,
Sb,
Cu,
and
Tl)
that
exhibited
higher
detection
rates
among
elements
measured.
For
example,
our
measurement
data,
average
concentration
element
cobalt
(Co)
is
less
than
2
×
10–3
μg/L,
cadmium
(Cd)
5
μg/L.
The
purpose
this
was
to
provide
scientific
basis
remediation
subsequent
construction.
carried
out
using
single-factor
pollution
index,
Nemerow
comprehensive
index
(Pn),
potential
ecological
hazard
methods.
Principal
component
analysis
correlation
analyses
were
used
investigate
sources
metal
groundwater.
results
indicated
following:
(1)
concentrations
study
area
did
not
exceed
Class
IV
quality
standard
limits.
highest
Zn
(38.08
μg/L),
indicating
relatively
low.
(2)
Pn
below
0.7,
at
non-polluted
level.
(3)
principal
indicate
these
may
be
residues
from
material
stored
raw
warehouse
former
iron
smelting
plant
site.
show
level
contamination
falls
within
extremely
low
range;
thus,
focus
on
can
reduced
construction
activities.
Язык: Английский
Construction of Government Environmental Audit System in the Yangtze River Economic Belt under the Perspective of Green Development
Applied Mathematics and Nonlinear Sciences,
Год журнала:
2025,
Номер
10(1)
Опубликована: Янв. 1, 2025
Abstract
Under
the
continuous
promotion
of
ecological
civilization
construction
and
optimization
national
audit
function,
environmental
plays
a
very
important
role
in
government
work,
is
still
undergoing
dynamic
changes.
This
study
takes
balanced
scorecard
theory
as
guiding
theory,
combines
relevance
basic
characteristics
green
development
audit,
puts
forward
index
system
Yangtze
River
Economic
Zone
under
perspective
development.
It
also
utilizes
principal
component
extraction
method
variable-weight
hierarchical
comprehensive
evaluation
to
evaluate
environment.
The
results
show
that
environment
Hubei
province
Belt
has
lowest
score
terms
quality
development,
with
only
60.67%.
After
supervision
rectification
assisted
by
system,
enterprises
realize
governance
through
protection
investment,
scientific
technological
innovation,
pollution
control,
expenditure
increases
year
from
2023
2024.
Carrying
out
effective
audits
on
can
not
implement
work
relevant
departments,
but
enhance
awareness
whole
society,
governmental
proposed
this
can,
sense,
promote
implementation
programs
Belt.
Язык: Английский