Environment International,
Год журнала:
2024,
Номер
188, С. 108741 - 108741
Опубликована: Май 11, 2024
Polycyclic
aromatic
hydrocarbons
(PAHs)
and
carbon
dioxide
primarily
originate
from
the
combustion
of
fossil
fuels
biomass.
The
implementation
Chinese
"double
strategy"
is
expected
to
impact
distribution
PAH
emissions,
consequently
influencing
spatial
trend
PAHs
in
surface
soil.
Therefore,
it
crucial
quantitatively
evaluate
effectiveness
on
soil
pollution
for
purpose
"the
reduction
emissions".
This
study
utilized
15,088
individual
concentration
data
943
samples
collected
between
2003
2020
China,
conjunction
with
emissions
at
a
10
km
resolution,
meta-analysis.
calculated
this
are
line
global
emission
inventory
(PKU-PAH-2007),
relative
standard
deviation
provincial
level
less
than
25
%.
Subsequently,
novel
method
was
developed
using
density
K
International Soil and Water Conservation Research,
Год журнала:
2023,
Номер
11(3), С. 429 - 454
Опубликована: Март 15, 2023
Soils
constitute
one
of
the
most
critical
natural
resources
and
maintaining
their
health
is
vital
for
agricultural
development
ecological
sustainability,
providing
many
essential
ecosystem
services.
Driven
by
climatic
variations
anthropogenic
activities,
soil
degradation
has
become
a
global
issue
that
seriously
threatens
environment
food
security.
Remote
sensing
(RS)
technologies
have
been
widely
used
to
investigate
as
it
highly
efficient,
time-saving,
broad-scope.
This
review
encompasses
recent
advances
state-of-the-art
ground,
proximal,
novel
RS
techniques
in
degradation-related
studies.
We
reviewed
RS-related
indicators
could
be
monitoring
properties.
The
direct
(mineral
composition,
organic
matter,
surface
roughness,
moisture
content
soil)
indirect
proxies
(vegetation
condition
land
use/land
cover
change)
evaluating
were
comprehensively
summarized.
results
suggest
these
above
are
effective
degradation,
however,
no
system
established
date.
also
discussed
RS's
mechanisms,
data,
methods
identifying
specific
phenomena
(e.g.,
erosion,
salinization,
desertification,
contamination).
investigated
potential
relations
between
Sustainable
Development
Goals
(SDGs)
challenges
prospective
use
assessing
degradation.
To
further
advance
optimize
technology,
analysis
retrieval
methods,
we
identify
future
research
needs
directions:
(1)
multi-scale
degradation;
(2)
availability
data;
(3)
process
modelling
prediction;
(4)
shared
dataset;
(5)
decision
support
systems;
(6)
rehabilitation
degraded
resource
contribution
technology.
Because
difficult
monitor
or
measure
all
properties
large
scale,
remotely
sensed
characterization
related
particularly
important.
Although
not
silver
bullet,
provides
unique
benefits
studies
from
regional
scales.
PLoS ONE,
Год журнала:
2025,
Номер
20(1), С. e0296545 - e0296545
Опубликована: Янв. 13, 2025
Soil
spectroscopy
is
a
widely
used
method
for
estimating
soil
properties
that
are
important
to
environmental
and
agricultural
monitoring.
However,
bottleneck
its
more
widespread
adoption
the
need
establishing
large
reference
datasets
training
machine
learning
(ML)
models,
which
called
spectral
libraries
(SSLs).
Similarly,
prediction
capacity
of
new
samples
also
subject
number
diversity
types
conditions
represented
in
SSLs.
To
help
bridge
this
gap
enable
hundreds
stakeholders
collect
affordable
data
by
leveraging
centralized
open
resource,
Spectroscopy
Global
Good
initiative
has
created
Open
Spectral
Library
(OSSL).
In
paper,
we
describe
procedures
collecting
harmonizing
several
SSLs
incorporated
into
OSSL,
followed
exploratory
analysis
predictive
modeling.
The
results
10-fold
cross-validation
with
refitting
show
that,
general,
mid-infrared
(MIR)-based
models
significantly
accurate
than
visible
near-infrared
(VisNIR)
or
(NIR)
models.
From
independent
model
evaluation,
found
Cubist
comes
out
as
best-performing
ML
algorithm
calibration
delivery
reliable
outputs
(prediction
uncertainty
representation
flag).
Although
many
well
predicted,
total
sulfur,
extractable
sodium,
electrical
conductivity
performed
poorly
all
regions,
some
other
nutrients
physical
performing
one
two
regions
(VisNIR
NIR).
Hence,
use
based
solely
on
variations
limitations.
This
study
presents
discusses
resources
were
developed
from
aspects
opening
data,
current
limitations,
future
development.
With
genuinely
science
project,
hope
OSSL
becomes
driver
community
accelerate
pace
scientific
discovery
innovation.
Environmental Science & Technology,
Год журнала:
2021,
Номер
55(17), С. 12032 - 12042
Опубликована: Авг. 9, 2021
Agricultural
land
degradation
is
posing
a
serious
threat
to
global
food
security.
Restoration
of
the
degraded
has
traditionally
been
viewed
as
an
inherently
sustainable
practice;
however,
restoration
processes
render
consequential
environmental
impacts
which
could
potentially
exceed
benefit
itself.
In
present
study,
integrated
life
cycle
assessment
analysis
was
conducted
evaluate
primary,
secondary,
and
tertiary
associated
with
contaminated
agricultural
land.
The
results
demonstrated
importance
including
spatially
differentiated
managing
growing
crops.
Comparing
four
risk
management
scenarios
at
field
in
Southern
China,
it
found
that
primary
secondary
followed
order
no
action
>
chemical
stabilization
phytoextraction
alternative
planting.
However,
when
were
taken
into
account,
planting
rendered
much
higher
footprint
comparison
stabilization,
provides
evidence
against
emerging
notion
held
by
some
policy
makers.
Furthermore,
assuming
loss
rice
paddy
China
compensated
deforested
Amazon
rainforest,
total
impact
would
far
action,
resulting
687
ton
CO2-e
ha–1
climate
change
impact.
Overall,
study
new
research
findings
support
more
holistic
making
also
sheds
lights
on
future
development
various
technologies.
