npj Climate and Atmospheric Science,
Год журнала:
2023,
Номер
6(1)
Опубликована: Июнь 24, 2023
Abstract
Compound
hot-dry
events
have
the
potential
to
cause
significant
damages
and
propel
socioeconomic
systems
towards
tipping
points
by
overwhelming
ability
of
natural
human
cope
with
combined
stressors.
As
climate
change
continues
alter
hazard
patterns,
impacts
these
will
be
further
compounded
changes
in
exposure
vulnerability.
However,
future
risk
role
components
remain
poorly
understood.
Using
a
multimodel
ensemble,
we
find
that
end
21st
century,
an
additional
0.7–1.7
billion
people
globally
exposed
amplified
compound
events,
depending
on
scenarios.
Additionally,
cropland
is
projected
increase
2–5.7
million
km².
Our
findings
also
suggest
countries
weak
governance
experience
twice
larger
than
those
good
governance.
This
underscores
importance
effective
mitigating
managing
escalating
risks
events.
Water,
Год журнала:
2024,
Номер
16(11), С. 1541 - 1541
Опубликована: Май 27, 2024
Groundwater
is
a
primary
source
of
drinking
water;
however,
groundwater
depletion
constitutes
common
phenomenon
worldwide.
The
present
research
aims
to
quantify
in
three
aquifers
Greece,
including
the
porous
Eastern
Thermaikos
Gulf,
Mouriki,
and
Marathonas
basin.
hypothesis
reverse
by
adopting
an
environmentally
acceptable
methodology.
core
suggested
methodology
was
simulation
using
MODFLOW-NWT
application
managed
aquifer
recharge
(MAR)
water
from
small
dams
after
generation
hydropower.
Surface
run-off
values
were
obtained
ArcSWAT
simulation.
predicted
future
climatic
data
Coordinated
Regional
Climate
Downscaling
Experiment
(CORDEX),
considering
Representative
Concentration
Pathway
(RCP)
4.5
climate
model
REMO2009.
flow
simulations
2010
2020
determined
existing
status
aquifers.
extended
year
2030
forecast
regime.
In
all
sites,
occurred
2020,
while
will
be
exacerbated
2030,
as
depicted
GIS
maps.
During
zones
11%,
28%,
23%
basin,
respectively.
increase
50%,
42%,
44%
2040
applying
MAR
with
well
additional
dams.
contributed
reversal
depletion,
significant
amount
hydropower
generated.
Until
2040,
reduce
0.5%,
9%,
12%
Apart
over-pumping,
factors
such
long
periods
drought
have
depletion.
transformation
mini-scale
facilities
combined
benefit
clean
energy
production,
save
CO2
emissions,
lead
economically
feasible
strategy
against
Communications Earth & Environment,
Год журнала:
2024,
Номер
5(1)
Опубликована: Апрель 24, 2024
Abstract
The
intensification
of
compound
hot-dry
events
due
to
climate
change
is
a
pressing
concern,
underscoring
the
need
for
precise
analysis.
However,
impact
different
dry
indicators
on
projections
these
has
not
been
quantitatively
evaluated,
nor
its
importance
compared
with
other
sources
uncertainty.
Here
we
examine
sensitivity
projected
changes
in
indicators.
We
use
data
from
22
Coupled
Model
Intercomparison
Project
Phase
6
(CMIP6)
models
characterize
global
conditions
based
precipitation,
runoff,
soil
moisture,
and
multivariate
index
combining
variables
through
trivariate
copulas.
Our
findings
reveal
large
differences
likelihood
across
While
model
uncertainty
remains
primary
source
event
projections,
associated
also
substantial,
surpassing
scenario
specific
regions.