Frontiers in Environmental Science,
Год журнала:
2023,
Номер
11
Опубликована: Фев. 16, 2023
With
the
global
food
deficit
increasing
and
rising
climate
change
issues,
there
is
a
need
to
find
green
solutions
improve
soil
fertility
productivity
while
enhancing
biochemical
quality
reducing
ecological
impact
of
agriculture.
Biochar
potentially
cost-effective,
carbonaceous
resource
with
many
agricultural
environmental
applications.
As
amendment,
it
improves
physical
properties
increases
productivity—particularly
over
long-term—increasing
aggregation,
water
retention,
pH,
microbial
activities,
thus,
improving
overall
quality,
helping
reduce
chemical
fertilizer
needs
time.
The
extent
biochar’s
on
physiochemical
varies
depending
biochar
source,
type,
size,
inherent
characteristics,
cropping
system,
etc.
Moreover,
has
significant
potential
in
remediation,
especially
through
its
unique
adsorption
capable
capture
immobilize
pollutants
such
as
metal(loid)s,
organic
pollutants,
hazardous
emerging
contaminants
microplastics.
Further,
also
emerged
key
strategic,
cost-effective
material
tackle
issues
mitigation,
net
greenhouse
gas
emission
minimize
warming
potential.
However,
knowledge
gap
remains
understanding
long-term
persistence
agroecosystem,
optimal
application
rate
for
diversity
biochar-soil-crop-environmental
conditions,
interaction
carbon
stock,
specific
mechanisms
effect
biotic
properties,
quantification
sequestration,
emissions,
synergy
or
antagonistic
effects
other
sources
compost,
manure,
residues,
etc.,
modification
applications
associated
human
risks
long-term.
Further
research
needed
evaluate
impacts
types
sizes
recommend
suitable
practices
based
management
system.
Also,
be
finetuned
wider
target
pressing
pollution.
Environmental Research Letters,
Год журнала:
2019,
Номер
14(8), С. 083002 - 083002
Опубликована: Май 17, 2019
Abstract
Reducing
the
social,
environmental,
and
economic
impacts
of
droughts
identifying
pathways
towards
drought
resilient
societies
remains
a
global
priority.
A
common
understanding
drivers
risk
ways
in
which
materialize
is
crucial
for
improved
assessments
identification
(spatial)
planning
targeted
reduction
adaptation
options.
Over
past
two
decades,
we
have
witnessed
an
increase
across
spatial
temporal
scales
drawing
on
multitude
conceptual
foundations
methodological
approaches.
Recognizing
diversity
approaches
science
practice
as
well
associated
opportunities
challenges,
present
outcomes
systematic
literature
review
state
art
people-centered
vulnerability
conceptualization
assessments,
identify
persisting
gaps.
Our
analysis
shows
that,
reviewed
(i)
more
than
60%
do
not
explicitly
specify
type
hazard
that
addressed,
(ii)
42%
provide
clear
definition
risk,
(iii)
62%
apply
static,
index-based
approaches,
(iv)
57%
indicator-based
their
weighting
methods,
(v)
only
11%
conduct
any
form
validation,
(vi)
ten
percent
develop
future
scenarios
(vii)
about
40%
establish
direct
link
to
or
strategies,
i.e.
consider
solutions.
We
discuss
challenges
with
these
findings
both
assessment
measures,
research
needs
inform
policy
agendas
order
advance
support
societies.
Geophysical Research Letters,
Год журнала:
2020,
Номер
48(1)
Опубликована: Дек. 10, 2020
Abstract
Compound
drought
and
heatwaves
can
cause
significant
damage
to
the
environment,
economy,
society.
In
this
study,
we
quantify
spatio‐temporal
changes
in
compound
heatwave
(CDHW)
events
by
integrating
weekly
self‐calibrated
Palmer
Drought
Severity
Index
(sc_PDSI)
daily
maximum
temperatures
during
period
1983
2016.
Multiple
data
products
are
used
examine
robustness
of
sc_PDSI
event
analysis.
The
results
consistently
suggest
increases
drought‐related
affected
global
land
area
recent
(warmer)
periods.
Several
regions
across
globe
witnessed
rise
CDHW
frequency
(one
three
events/year),
duration
(2–10
days/year),
severity.
This
increasing
pattern
is
spatially
asymmetric,
greater
amplification
observed
Northern
hemisphere
due
warming.
Furthermore,
background
aridity
influences
spatiotemporal
evolution
events.
be
applied
minimize
impacts
extreme
CDHWs
critical
geographical
regions.
Reviews of Geophysics,
Год журнала:
2021,
Номер
59(2)
Опубликована: Янв. 28, 2021
Abstract
Traditional,
mainstream
definitions
of
drought
describe
it
as
deficit
in
water‐related
variables
or
water‐dependent
activities
(e.g.,
precipitation,
soil
moisture,
surface
and
groundwater
storage,
irrigation)
due
to
natural
variabilities
that
are
out
the
control
local
decision‐makers.
Here,
we
argue
within
coupled
human‐water
systems,
must
be
defined
understood
a
process
opposed
product
help
better
frame
complex
interrelated
dynamics
both
human‐induced
changes
define
anthropogenic
compound
multidimensional
multiscale
phenomenon,
governed
by
combination
water
variability,
climate
change,
human
decisions
activities,
altered
micro‐climate
conditions
land
management.
This
definition
considers
full
spectrum
dynamic
feedbacks
processes
land‐atmosphere
interactions
energy
balance)
human‐nature
systems
drive
development
.
magnifies
supply
demand
gap
can
lead
bankruptcy,
which
will
become
more
rampant
around
globe
coming
decades
continuously
growing
demands
under
compounding
effects
change
global
environmental
degradation.
challenge
has
de
facto
implications
for
short‐term
long‐term
resources
planning
management,
governance,
policymaking.
Herein,
after
brief
overview
concept
its
examples,
discuss
existing
research
gaps
opportunities
understanding,
modeling,
management
this
phenomenon.
