Materials,
Journal Year:
2025,
Volume and Issue:
18(2), P. 379 - 379
Published: Jan. 15, 2025
Extracting
water
directly
from
the
atmosphere
seems
to
be
a
perfect
way
solve
scarcity
facing
2
billion
people;
however,
traditional
Atmospheric
Water
Harvesting
(AWH)
lacks
ability
adsorb
molecules
in
an
arid
climate.
Porous
materials
are
capable
of
assisting
adsorption;
currently,
only
certain
customizable
Metal-Organic
Frameworks
(MOFs)
able
meet
standard
adsorbing
at
low
humidity
and
releasing
temperatures
times
that
can
realize
assisted
AWH's
practical
energy-efficient
use
(Energy
consumption
<
5kWh/L-water).
From
this
perspective,
we
offer
concise
review
advancements
enhanced
AWH
technologies,
delve
into
attributes
appropriate
MOFs,
insights
potential
future
directions
MOFs-AWH.
In
conclusion,
underscore
development
designable
MOFs
holds
key
widespread
implementation
AWH,
promising
availability
affordable
clean
anywhere
world.
National Science Review,
Journal Year:
2023,
Volume and Issue:
10(8)
Published: April 24, 2023
Despite
the
mounting
attention
being
paid
to
vegetation
growth
and
their
driving
forces
for
water-limited
ecosystems,
relative
contributions
of
atmospheric
soil
moisture
dryness
stress
on
are
an
ongoing
debate.
Here
we
comprehensively
compare
impacts
high
vapor
pressure
deficit
(VPD)
low
water
content
(SWC)
in
Eurasian
drylands
during
1982-2014.
The
analysis
indicates
a
gradual
decoupling
between
over
this
period,
as
former
has
expanded
faster
than
latter.
Moreover,
VPD-SWC
relation
VPD-greenness
both
non-linear,
while
SWC-greenness
is
near-linear.
loosened
coupling
VPD
SWC,
non-linear
correlations
among
VPD-SWC-greenness
area
extent
which
SWC
acts
dominant
factor
all
provide
compelling
evidence
that
more
influential
stressor
drylands.
In
addition,
set
11
Earth
system
models
projected
continuously
growing
constraint
towards
2100.
Our
results
vital
dryland
ecosystems
management
drought
mitigation
Eurasia.
Water Resources Management,
Journal Year:
2023,
Volume and Issue:
37(6-7), P. 2805 - 2834
Published: March 4, 2023
Abstract
The
divergence
between
agricultural
water
use
and
the
annual
supply
of
resources
(water
gap)
has
been
increasing
for
decades.
forecast
is
that
this
gap
will
continue
to
widen,
compromising
security
a
large
share
global
population.
On
one
hand,
increase
in
demand
attributed
an
ever-growing
population
that,
addition,
adopting
high-water
consumption
per
capita
lifestyle
(e.g.,
meat-rich
diet,
increased
biofuels
irrigated
agriculture).
other
climate
change
aridification
spatio-temporal
heterogeneity
precipitation
worldwide.
particularly
acute
drylands,
where
development
food
based
on
massive
exploitation
resources,
groundwater.
Here
we
analyze
mechanisms
underlying
gap,
which
mainly
driven
by
agriculture,
suggest
suitable
solutions
can
help
close
it.
Using
causal
diagrams,
show
how
generates
different
demands
create
prevailing
supply-side
cannot
close.
Indeed,
it
widening
over
years
because
grown
exponentially.
This
behaviour
explained
series
necessary
understand
realize
complexity
scarcity
problems.
For
solving
propose
exemplify
eight
lines
action
be
combined
tailored
each
territory.
Our
analyses
corroborate
urgent
need
plan
integral
management
avoid
widespread
scenarios
under
future
climatic
conditions.
Global Change Biology,
Journal Year:
2024,
Volume and Issue:
30(4)
Published: April 1, 2024
Abstract
Drylands,
comprising
semi‐arid,
arid,
and
hyperarid
regions,
cover
approximately
41%
of
the
Earth's
land
surface
have
expanded
considerably
in
recent
decades.
Even
under
more
optimistic
scenarios,
such
as
limiting
global
temperature
rise
to
1.5°C
by
2100,
semi‐arid
lands
may
increase
up
38%.
This
study
provides
an
overview
state‐of‐the‐art
regarding
changing
aridity
arid
with
a
specific
focus
on
its
effects
accumulation
availability
carbon
(C),
nitrogen
(N),
phosphorus
(P)
plant–soil
systems.
Additionally,
we
summarized
impacts
rising
biodiversity,
service
provisioning,
feedback
climate
change
across
scales.
The
expansion
ecosystems
is
linked
decline
C
nutrient
stocks,
plant
community
biomass
diversity,
thereby
diminishing
capacity
for
recovery
maintaining
adequate
water‐use
efficiency
plants
microbes.
Prolonged
drought
led
−3.3%
reduction
soil
organic
(SOC)
content
(based
148
drought‐manipulation
studies),
−8.7%
decrease
litter
input,
−13.0%
absolute
decomposition,
−5.7%
decomposition
rate.
Moreover,
substantial
positive
loop
warming
exists,
primarily
due
increased
albedo.
loss
critical
ecosystem
services,
including
food
production
water
resources,
poses
severe
challenge
inhabitants
these
regions.
Increased
reduces
SOC,
nutrient,
content.
Aridity
intensification
exacerbate
socio‐economic
disparities
between
economically
rich
least
developed
countries,
significant
opportunities
improvement
through
investments
infrastructure
technology.
By
half
world's
landmass
become
dryland,
characterized
conditions
marked
limited
C,
N,
P
scarcity,
native
species
biodiversity.
These
pose
formidable
challenges
essential
impacting
human
well‐being
raising
complex
regional
socio‐political
challenges.
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: June 6, 2024
Abstract
During
extensive
periods
without
rain,
known
as
dry-downs,
decreasing
soil
moisture
(SM)
induces
plant
water
stress
at
the
point
when
it
limits
evapotranspiration,
defining
a
critical
SM
threshold
(θ
crit
).
Better
quantification
of
θ
is
needed
for
improving
future
projections
climate
and
resources,
food
production,
ecosystem
vulnerability.
Here,
we
combine
systematic
satellite
observations
diurnal
amplitude
land
surface
temperature
(dLST)
during
corroborated
by
in-situ
data
from
flux
towers,
to
generate
observation-based
global
map
.
We
find
an
average
0.19
m
3
/m
,
varying
0.12
in
arid
ecosystems
0.26
humid
ecosystems.
simulated
Earth
System
Models
overestimated
dry
areas
underestimated
wet
areas.
The
observed
pattern
reflects
adaptation
available
atmospheric
demand.
Using
explainable
machine
learning,
show
that
aridity
index,
leaf
area
texture
are
most
influential
drivers.
Moreover,
annual
fraction
days
with
stress,
stays
below
has
increased
past
four
decades.
Our
results
have
important
implications
understanding
inception
models
identifying
tipping
points.