Environmental Science & Technology,
Год журнала:
2022,
Номер
56(9), С. 5910 - 5919
Опубликована: Апрель 7, 2022
As
extremely
active
sites
processing
terrestrially
derived
dissolved
organic
matter
(DOM),
lakes
deserve
sufficient
attention.
Because
of
high-complexity
interactions
between
DOM
and
the
surrounding
environment,
natural
anthropogenic
drivers
controlling
composition
chemodiversity
molecules
in
remain
unclear.
Here,
13,952
were
identified
assessed
45
across
China
via
ultrahigh-resolution
mass
spectrometry.
Furthermore,
effects
both
factors
on
composition,
chemodiversity,
greenhouse
gas
emissions
investigated.
The
majority
variations
chemical
could
be
attributed
to
differences
hydrology
nutrient
concentrations
lakes,
human
activities
also
played
a
role,
mainly
through
atmospheric
pollution.
Environmental
influenced
form
S-containing
compounds.
N-containing
compounds
exhibited
positive
correlation
with
CO2
emissions,
while
N-
S-free
N2O
emissions.
These
results
facilitate
comprehensive
understanding
lake
thereby
providing
reference
for
formulation
strategies
aimed
at
harmonious
development
environments.
Water,
Год журнала:
2025,
Номер
17(2), С. 231 - 231
Опубликована: Янв. 16, 2025
Microplastic
(MP)
pollution,
an
emerging
global
change
factor,
disturbs
the
ecosystem
functioning.
Inland
wetlands,
providing
important
services,
might
be
sink
for
MPs.
Understanding
distribution,
source,
and
fate
of
MPs
in
inland
wetland
ecosystems
is
a
prerequisite
developing
effective
management
strategy.
Here,
different
types
including
river
wetland,
constructed
lake
were
selected
to
explore
pollution
patterns
therein.
Results
showed
that
abundance
soil
ranges
from
532
4309
items/kg.
Transparent,
fibers,
polyethylene
terephthalate
most
common
color,
shape,
polymer
type
MPs,
respectively.
The
this
study
did
not
significantly
remove
was
one
main
sinks
had
accumulated
large
amounts
In
addition,
MP
characteristics
cluster
analyses
aquaculture,
agricultural
cultivation,
domestic
waste
sources
area.
occluded
particulate
organic
carbon
content
related
abundance.
conclusion,
reveals
special
river-constructed-lake
which
would
help
better
understand
distribution
source
wetlands
have
implications
subsequent
control
ecological
restoration
wetlands.
Infrastructures,
Год журнала:
2022,
Номер
7(7), С. 88 - 88
Опубликована: Июнь 23, 2022
Maintaining
drinking
water
quality
is
considered
important
in
building
sustainable
cities
and
societies.
On
the
other
hand,
insecurity
an
obstacle
to
achieving
development
goals
based
on
issues
of
threatening
human
health
well-being
global
peace.
One
dangers
sources
cyanide
contamination
due
industrial
wastewater
leakage
or
sabotage.
The
present
study
investigates
provides
potential
strategies
remove
by
chlorination.
In
this
regard,
main
novelty
propose
a
decision
support
system
for
dirking
case
Iran.
First,
three
scenarios
have
been
defined
with
low
([CN−]
=
2.5
mg
L−1),
medium
5
high
7.5
L−1)
levels
contamination.
Then,
optimal
chlorine
dosage
has
suggested
as
2.9
L−1,
4.7
6.1
respectively,
these
scenarios.
next
step,
residual
was
modelled
mathematical
approaches,
which
revealed
that
Gaussian
distribution
best
performance
accordingly.
methodology
developing
hybrid
approach
model
genetic
algorithm.
outcomes
statistical
evaluations
illustrated
both
injected
initial
load
greatest
effects
ions.
Finally,
proposed
algorithm
characterized
multilayer
perceptron
algorithm,
can
forecast
anion
regression
coefficient
greater
than
0.99
soft
sensor.
output
demonstrate
strong
positive
relationship
between
cyanide-
(RCN−)
chlorine.
finding
our
improves
resiliency
against
treatments.
