Journal of Hydrology Regional Studies,
Год журнала:
2024,
Номер
55, С. 101919 - 101919
Опубликована: Авг. 7, 2024
Gin
River
Basin,
Sri
Lanka.
The
individual
and
combined
effects
of
climate
land-use
changes
on
flood
flow
inundation
in
the
basin,
Lanka,
were
assessed.
Downscaled,
bias-corrected
future
precipitation
projected
by
an
ensemble
general
circulation
models
(GCMs)
under
Representative
Concentration
Pathway
(RCP)
4.5
emissions
scenario
was
input
into
a
model
developed
using
Rainfall
Runoff
Inundation
(RRI)
model.
Possible
mitigation
measures
identified
based
simulations
through
integrated
assessment
incorporating
projections.
basin
is
to
receive
increased
rainfall
during
southwest
monsoon
(9.7
%)
second
inter-monsoon
(15.7
seasons,
excluding
March
April,
future.
Human
settlements
will
expand
downstream
areas
while
significant
share
agricultural
land
(27
be
converted
shrublands
2050.
High
flows
are
predicted
increase
16
%
4
at
upstream
gauging
stations,
respectively,
mean
river
expected
decrease
25
(upstream)
34
(downstream).
In
addition,
3.5
annual
maximum
extent
projected.
However,
total
can
reduced
1.3
regulating
changes,
particularly
conversion
riparian
forests.
Journal of Hydrology,
Год журнала:
2022,
Номер
615, С. 128702 - 128702
Опубликована: Ноя. 8, 2022
Tropical
regions
have
experienced
the
fastest
Land
Use
Cover
Change
(LULCC)
in
last
decades,
coupled
with
climate
change
(CC)
this
has
affected
hydrological
and
geomorphological
processes
of
river
systems.
With
increased
demand
for
land,
general
trend
been
loss
forest
land
to
agriculture
settlements.
These
changes
altered
water
balance
components
through
enhanced
or
reduced
evaporation,
peak
flow,
flooding,
morphology.
The
aim
review
paper
is
provide
a
meta-analysis
on
effects
spatiotemporal
LULC
hydro-morphology
tropics.
Following
systematic
search,
60
case
studies
were
identified,
which
majority
(68%)
due
agricultural
urban
expansion,
resulting
streamflow,
surface
total
yield
decreased
ET
groundwater
recharge.
12%
showed
impacts
LULCC
channel
morphology
features
sediment
transport
riverbank
erosion.
Results
from
study
show
limited
correlation
between
variables,
indicating
that
there
are
likely
other
factors
controlling
processes.
Catchment
heterogeneity
including
soil
topography
play
an
important
role.
Based
project
these
into
future,
similar
trends
expected
over
next
differences
based
LU
scenarios.
There
still
responses
CC
tropics
despite
major
taking
place
there.
In
light
future
changes,
more
needed
improve
our
understanding.
Water,
Год журнала:
2023,
Номер
15(17), С. 3068 - 3068
Опубликована: Авг. 27, 2023
Land
use/land
cover
(LULC)
and
climate
are
two
crucial
environmental
factors
that
impact
watershed
hydrology
worldwide.
The
current
study
seeks
to
comprehend
how
the
evolving
LULC
patterns
impacting
of
Mahanadi
Reservoir
catchment.
A
semi-distributed
Soil
Water
Assessment
Tool
(SWAT)
model
was
utilized
simulate
various
water
balance
elements.
Twelve
distinct
scenarios
were
developed
by
combining
three
different
climatic
data
periods
(1985–1996,
1997–2008,
2009–2020)
with
four
sets
land
use
maps
(1985,
1995,
2005,
2014).
SWAT
demonstrated
strong
performance
in
simulating
monthly
stream
flows
throughout
calibration
validation
phases.
reveals
changes
have
a
effect
on
environment.
Specifically,
lead
heightened
streamflow
reduced
evapotranspiration
(ET).
These
mainly
attributed
amplified
urbanization
diminished
presence
bodies,
forest
cover,
barren
within
combined
change
shifts
complex
interactions.
Therefore,
present
offers
an
understanding
over
past
few
decades
influenced
hydrological
behavior
catchment
Chhattisgarh.
findings
this
potential
offer
advantages
governmental
policymakers,
resource
engineers,
planners
seeking
effective
strategies
for
management.
would
be
particularly
relevant
context
ecological
regions
similar
those
In
addition,
rational
regulatory
framework
is
essential
assisting
stakeholders
managing
resources
appropriately
developing
entire
Water,
Год журнала:
2022,
Номер
14(24), С. 4031 - 4031
Опубликована: Дек. 10, 2022
Empirical
evidence
continues
to
show
that
climate
change
remains
a
threat
the
stability
of
hydrologic
system.
As
system
interacts
with
cycle,
one
significant
repercussion
global
warming
includes
changes
in
water
availability
at
both
regional
and
local
scales.
Climate
adaptation
is
intrinsically
difficult
attain
due
dynamic
earth
lack
comprehensive
understanding
future
its
associated
uncertainties.
Mostly
developing
countries,
hampered
by
scarcity
good
quality
adequate
hydro-meteorological
data.
This
article
provides
synopsis
modelling
chain
applied
investigate
response
under
changing
climate,
which
choosing
appropriate
models,
downscaling
techniques,
emission
scenarios,
approach
be
used
modelling.
The
conventional
criteria
for
suitable
hydrological
model
are
discussed.
advancement
scenarios
including
latest
Shared
Socioeconomic
Pathways
their
role
modelling,
impact
assessment,
adaptation,
also
highlighted.
paper
discusses
uncertainties
impacts
plausible
approaches
reducing
such
Among
outcomes
this
review
include
highlights
studies
on
commonly
models
assessing
particularly
sub-Saharan
Africa
region
some
specific
reviews
southern
Africa.
Further,
as
human
systems
keep
dominating
within
several
ways,
effective
should
involve
coupling
these
may
truly
represent
bidirectional
feedback
experienced
modern
world.
concludes
data
key
having
robust
measures,
hence
poorly
gauged
basins
use
artificial
neural
networks
satellite
datasets
have
shown
successful
tools,
calibration
validation.
Journal of Hydrology Regional Studies,
Год журнала:
2024,
Номер
52, С. 101731 - 101731
Опубликована: Март 11, 2024
Study
Region:
The
Lhasa
River
Basin
(LRB)
on
the
Tibetan
Plateau.
Focus:
This
study
assessed
influence
of
climate
change
and
landuse/landcover
(LULC)
hydrological
processes
using
water
balancing
simulation
model
(WaSiM).
We
used
multiple
data
sources
in
a
multi-objective
calibration
validation
approach,
such
as
streamflow,
snow
cover,
glacier
inventory,
to
minimize
uncertainties
results.
Heat
transfer
soil
was
implemented
this
study,
which
is
crucial
for
permafrost
regions.
New
Hydrological
Insights
results
revealed
spatiotemporal
variation
precipitation
induced
by
warming
last
few
decades.
Runoff,
actual
evapotranspiration,
melt
are
experiencing
an
increased
trend.
Meanwhile,
decreased
trends
signaled
snowmelt
storage
changes.
Snowmelt
showed
earlier
peak
that
changed
from
June
May,
which,
combined
with
rainfall,
resulted
runoff
basin.
Rainfall
main
factor
affecting
generation
LRB,
while
driven
amount
snowfall,
evapotranspiration
most
influenced
temperature.
annual
discharge
LRB
projected
decrease,
ranging
20%
39%,
response
total
degradation.
Finally,
apparent
variations
LULC
exhibited
reveal
variety
cycle
implications.
