International Journal of Digital Earth,
Journal Year:
2023,
Volume and Issue:
16(1), P. 1094 - 1107
Published: March 23, 2023
Mapping
soil
organic
matter
(SOM)
content
has
become
an
important
application
of
digital
mapping.
In
this
study,
we
processed
all
Sentinel-2
images
covering
the
bare-soil
period
(March
to
June)
in
Northeast
China
from
2019
2022
and
integrated
observation
results
into
synthetic
materials
with
four
defined
time
intervals
(10,
15,
20,
30
d).
Then,
used
corresponding
different
periods
conduct
SOM
mapping
determine
optimal
interval
before
finally
assessing
impacts
adding
environmental
covariates.
The
showed
following:
(1)
mapping,
highest
accuracy
was
obtained
using
day-of-year
(DOY)
120
140
20
d
intervals,
as
well
ranked
follows:
>
15
10
d;
(2)
when
at
predict
SOM,
best
for
predicting
always
within
May;
(3)
covariates
effectively
improved
performance,
multiyear
average
temperature
most
factor.
general,
our
demonstrated
valuable
potential
imagery,
thereby
allowing
detailed
large
areas
cultivated
soil.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(28)
Published: April 28, 2023
Abstract
Dielectric
materials
with
higher
energy
storage
and
electromagnetic
(EM)
conversion
are
in
high
demand
to
advance
electronic
devices,
military
stealth,
mitigate
EM
wave
pollution.
Existing
dielectric
for
high‐energy‐storage
electronics
loss
absorbers
studied
toward
realizing
these
goals,
each
aligned
the
current
global
grand
challenges.
Libraries
of
desirable
permittivity,
loss,
and/or
breakdown
strength
potentially
meeting
device
requirements
reviewed
here.
Regardless,
aimed
at
translating
into
oft‐encountered
shortcomings
can
be
caused
by
either
two
confluences:
a)
low
strength;
b)
process
complexity.
Contextualizing
aspects
overarching
objectives
enabling
high‐efficiency
conversion,
recent
advances
by‐design
inorganic–organic
hybrid
here,
a
focus
on
design
approaches,
preparation
methods,
characterization
techniques.
In
light
their
strengths
weaknesses,
potential
strategies
foster
commercial
adoption
critically
interrogated.
npj Climate and Atmospheric Science,
Journal Year:
2024,
Volume and Issue:
7(1)
Published: March 8, 2024
Abstract
Atmospheric
soot
and
organic
particles
from
fossil
fuel
combustion
biomass
burning
modify
Earth’s
climate
through
their
interactions
with
solar
radiation
modifications
of
cloud
properties
by
acting
as
condensation
nuclei
ice
nucleating
particles.
Recent
advancements
in
understanding
individual
microscopic
composition
have
led
to
heightened
interest
microphysical
properties.
This
review
article
provides
an
overview
current
advanced
measurements
offers
insights
into
future
avenues
for
studying
these
To
quantify
morphology
ageing,
fractal
dimension
(
D
f
)
is
a
commonly
employed
quantitative
metric
which
allows
characterize
morphologies
aggregates
relation
ageing
factors
like
internal
mixing
state,
core-shell
structures,
phase,
heterogeneity.
Models
been
developed
incorporate
diversity
metrics
aged
particles,
enabling
assessment
optical
absorption
radiative
forcing
effects.
The
are
complex
they
influenced
particle
sources,
process,
meteorological
conditions.
Furthermore,
soluble
exhibit
diverse
forms
can
engage
liquid–liquid
phase
separation
sulfate
nitrate
components.
Primary
carbonaceous
such
tar
balls
warrant
further
attention
due
strong
light
absorbing
properties,
presence
toxic
constituents,
small
size,
impact
human
health.
Future
research
needs
include
both
atmospheric
modeling
approaches,
focusing
on
changes
the
structures
ensembles,
effects
dynamics
Environmental Science & Technology,
Journal Year:
2023,
Volume and Issue:
57(18), P. 7285 - 7297
Published: April 25, 2023
Biochar-derived
dissolved
black
carbon
(DBC)
molecules
are
dependent
on
the
BC
formation
temperature
and
affect
fate
of
emerging
contaminants
in
waters,
such
as
polyvinyl
chloride
microplastic
(MPPVC).
However,
temperature-dependent
evolution
MPPVC-interaction
DBC
remain
unclear.
Herein,
we
propose
a
novel
DBC-MPPVC
interaction
mechanism
by
systematically
interpreting
heterogeneous
correlations,
sequential
responses,
synergistic
relationships
thousands
their
linking
functional
groups.
Two-dimensional
correlation
spectroscopy
was
proposed
to
combine
Fourier
transform–ion
cyclotron
resonance
mass
spectrometry
spectroscopic
datasets.
Increased
caused
diverse
fluorophores,
accompanied
molecular
transformation
from
saturation/reduction
unsaturation/oxidation
with
high
oxidation
states,
especially
for
acidic
The
response
detected
via
negative-/positive-ion
electrospray
ionization
sequentially
occurred
unsaturated
hydrocarbons
→
lignin-like
condensed
aromatic
lipid-/aliphatic-/peptide-like
tannin-like
carbohydrate-like
molecules.
changes
induced
MPPVC
were
closely
coordinated,
contributing
most
interaction.
Functional
groups
m/z
<
500
showed
phenol/aromatic
ether
C–O,
alkene
C═C/amide
C═O
polysaccharides
C–O
alcohol/ether/carbohydrate
These
findings
help
elucidate
critical
role
DBCs
MP
environmental
behaviors.
Fire,
Journal Year:
2023,
Volume and Issue:
6(2), P. 79 - 79
Published: Feb. 20, 2023
Combustion
is
an
essential
process
for
humanity,
but
it
has
created
turbulence
in
society
due
to
the
pollutant
emissions
from
partial
completion
of
its
and
byproducts.
The
regular
population
unaware
repercussions
being
faced
terms
health
deterioration,
product
quality
degradation,
biodiversity
loss,
environmental
harm.
Although
strategic
planning
against
effects
applied
sideways
by
authorities
local
industrial
facilities,
awareness
still
minimal.
indicators
bioremediation
required,
observed
through
increased
sales
pharmaceutical
medicines
supplements,
air
filters,
new
techniques,
include
smog,
elevation
respiratory
disease,
immune
system
decreasing
life
span,
increasing
mortality
rate,
degradation
food
water
quality.
This
article
gives
a
brief
overview
problems
uncontrolled
combustion
activities,
sources
pollutants,
their
creation,
emission,
dispersal
process,
along
with
mitigation
techniques
developed
overcome
after-effects
on
human
environment.
Progress in Earth and Planetary Science,
Journal Year:
2023,
Volume and Issue:
10(1)
Published: March 6, 2023
Abstract
Light-absorbing
aerosols
affect
atmospheric
radiation,
dynamics,
and
precipitations
through
shortwave
absorption
in
the
atmosphere
snowpack.
Black
carbon
(BC)
is
considered
most
significant
contributor
to
global
among
all
known
light-absorbing
aerosol
components.
In
analyses
predictions
of
BC’s
lifecycle
climate
effects,
multiscale
field
observations
are
needed
test
fundamental
assumptions
model.
situ
measurements,
focus
this
review,
fill
gap
observational
information
accessible
from
remote
sensing
laboratory
analyses.
This
article
reviews
historical
backgrounds,
recent
advances
measurements
BC,
resulting
findings
used
update
models
sensing.
Finally,
we
raise
open
problems
that
demand
a
rethinking
future
investigation.
Illustrating
physical
principle
detecting
black
iron
oxides
particles
using
single-particle
laser-induced
incandescence
