Sustainability,
Journal Year:
2024,
Volume and Issue:
16(5), P. 1738 - 1738
Published: Feb. 20, 2024
Accurately
identifying
and
obtaining
changes
in
ecosystem
drivers
the
spatial
heterogeneity
of
their
impacts
on
services
can
provide
comprehensive
support
information
for
ecological
governance.
In
this
study,
we
investigate
relationship
between
human
natural
factors
water-related
(WESs)
different
sub-watersheds
across
various
time
periods,
focusing
four
aspects:
single-factor
effect,
nonlinear
interactive
effects,
characteristics.
Taking
southern
basins,
which
have
complex
topographic,
climatic,
economic
characteristics,
as
a
study
area,
area
was
divided
into
sub-basins
with
WESs
water
yield,
soil
conservation,
purification
were
quantified
using
InVEST
model
five
periods
from
2000
to
2020,
OPGD
MGWR
models
integrated
assess
15
The
results
show
following:
(1)
After
comparing
data
over
multiple
climate
such
precipitation
(0.4033)
are
primary
affecting
construction
(0.0688)
weaker
influence.
direct
impact
is
not
significant
short
term
but
increases
time.
(2)
Different
WESs.
For
instance,
activity
intensity
(0.3518)
key
factor
Inward
Flowing
Area,
while
influencing
other
sub-watersheds.
(3)
Influencing
WES
often
nonlinearly
correlated;
however,
once
certain
threshold
exceeded,
they
may
adverse
(4)
When
single
interacts
factors,
its
explanatory
power
tends
increase.
(5)
Compared
traditional
methods,
estimation
accuracy
higher.
Intense
activities
adversely
affect
WESs,
abundant
creates
favorable
conditions
formation
Therefore,
integrating
long-time-series
multi-remote
sensing
suitable
analyzing
driving
mechanisms
that
influence
Against
backdrop
global
change,
elucidating
crucial
insights
developing
practical
policies
land
management
applications.
Land Degradation and Development,
Journal Year:
2024,
Volume and Issue:
35(8), P. 2700 - 2715
Published: April 3, 2024
Abstract
Soil
and
groundwater
contamination
has
always
been
a
global
concern.
Contaminants
are
migrated
transformed
in
the
soil
environments,
which
turn
pose
potential
environmental
risks
to
humans.
This
paper
describes
four
typical
contaminants,
including
heavy
metals,
polycyclic
aromatic
hydrocarbons,
microplastics,
perfluorinated
polyfluoroalkyl
substances.
Based
on
systematic
summary
of
sources,
hazards,
migration
behaviors
these
various
existing
remediation
methods
analyzed,
advantages
disadvantages
different
discussed.
Finally,
future
research
prospects
described,
significance
study
contaminant
subsurface
environment
is
emphasized.
can
help
provide
theoretical
technical
support
for
removal
further
improve
rate
actual
sites.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 1, 2024
Abstract
The
growing
demand
for
solid‐state
magnetic
cooling,
leveraging
the
magnetocaloric
effect
requires
discovery
of
high‐performing
materials
(MCMs).
Herein,
a
family
Gd‐containing
MCMs
is
provided,
specifically
Gd
4.5
A
0.5
Si
3
O
13
(
=
K,
Na,
and
Li)
oxides,
which
demonstratse
exceptional
low‐temperature
performance.
Through
comprehensive
experimental
investigations
theoretical
calculations
on
their
structural,
electronic,
properties,
it
unequivocally
confirmed
that
all
them
crystallize
in
hexagonal
apatite‐type
structure
(space
group
P
6
/
m
),
exhibiting
an
antiferromagnetic
semiconductor
ground
state
with
ordering
temperatures
below
1.8
K
(typically
≈0.7
).
Furthermore,
remarkable
maximum
entropy
change
(−Δ
S
M
max
)
values
31.85
58.22
J
kgK
−1
;
25.31
55.01
Na
25.15
55.77
Li
,
under
field
changes
0‐2
0‐5
T,
respectively,
surpass
those
prominent
MCMs,
including
commercialized
Ga
5
12
(≈14.6
32.8
paramagnetic
salt.
These
findings
addition
to
high
environmental
stability
position
these
oxides
as
exceptionally
promising
practical
cooling
applications.
The Science of The Total Environment,
Journal Year:
2025,
Volume and Issue:
964, P. 178529 - 178529
Published: Jan. 22, 2025
Due
to
increasing
plastic
production,
the
continuous
release
of
primary
and
secondary
nanoplastic
particles
(NPs,
<1
μm)
has
become
an
emerging
contaminant
in
terrestrial
environments.
The
fate
transport
NPs
subsurface
environments
remain
poorly
understood,
largely
due
complex
interplay
mineralogical,
chemical,
biological,
morphological
heterogeneity.
This
study
examines
interactions
between
abundant
minerals
under
controlled
water
chemistry
(1
mM
KCl,
pH
5.5).
These
conditions
minimize
potential
chemical
effects
from
ions
solution,
isolating
impact
mineral
complexity.
Surface-modified
polystyrene
nanoparticles
(-COOH
-NH2
functional
groups)
are
proxies
for
degradation
products
organic
associations
found
environmental
plastics.
Experimental
results
compared
with
theoretical
predictions
using
DLVO
(Derjaguin-Landau-Verwey-Overbeek)
double-layer
force
models.
Despite
all
studied
maintaining
negative
surface
charges
across
varying
pH,
electrostatic
(EDL)
played
a
minor
role
NP
attachment.
Instead,
mechanisms
such
as
specific
ion-binding
(mediated
by
trace
metal
ions),
bridging
via
divalent
ions,
hydrogen
bonding
were
more
significant.
Evidence
suggests
that
kinetic
most
mineral-NP
combinations
persist
beyond
24
h.
highlights
critical
biogeochemical
mineralogical
composition
controlling
attachment
environments,
implications
their
aquifers.