The Science of The Total Environment,
Journal Year:
2024,
Volume and Issue:
954, P. 176439 - 176439
Published: Sept. 26, 2024
Climate
change
poses
significant
challenges
to
urban
environments
affecting
both
flood
risks
and
stormwater
pollutant
loadings.
However,
studies
on
variations
in
runoff
quantity
quality
cold
regions,
which
are
highly
sensitive
climate
change,
notably
limited.
Integrating
climatic,
hydrologic,
hydraulic
modelling,
the
study
assesses
potential
impacts
of
volume
dynamics
a
Canadian
watershed
(Calgary).
A
two-year
field
program
was
conducted
support
calibration
validation
Storm
Water
Management
Model
(SWMM).
Intensity-duration-frequency
curves
were
employed
evaluate
peak
flow
rate
flooding
duration.
In
addition,
typical
dry,
average,
wet
years
applied
continuously
simulate
during
2050s
2080s.
The
results
suggest
substantial
increases
rates
durations,
particularly
for
5-year
return
period
rainfall,
with
1-h,
4-h,
24-h
inflow
increasing
by
74.3%
(170.7%),
89.2%
(158.4%),
64.1%
(102.8%)
(2080s)
Furthermore,
is
projected
rise
2.4-10.2%
11.8-17.5%
Total
suspended
solids
(TSS),
total
nitrogen
(TN),
phosphorus
(TP)
loadings
anticipated
increase
2.0-36.1%,
3.1-21.4%,
4.1-20.7%,
respectively.
As
result,
current
system
could
overload
likely
deteriorate
under
impact
change.
findings
beneficial
regions
develop
adaptive
strategies
that
enhance
water
security
environmental
sustainability
Scientific Reports,
Journal Year:
2025,
Volume and Issue:
15(1)
Published: Feb. 13, 2025
Abstract
Climate
change
is
increasing
the
frequency
and
intensity
of
urban
heat
islands
stormwater
flooding.
In
order
to
mitigate
these
threats
cities
are
turning
toward
green
infrastructure
restore
hydrologic
cycle
in
a
way
that
increases
ecosystem
services
provided
by
trees.
Strategically
designed
can
runoff
volume
rainfall
interception
through
tree
canopies
redirect
impervious
into
bioswales
promote
infiltration.
addition,
greens
extreme
via
evapotranspiration
shading.
Here
we
applied
i-Tree
HydroPlus
model
German
city
Karlsruhe
its
twenty-seven
districts
with
varying
initial
conditions
cover
analyze
potential
for
both
mitigation
during
dry
wet
periods
throughout
5-year
period.
After
analyzing
drainage
conditions,
used
simulate
scenario
each
district
restored
hydrology
at
30%.
Regarding
trade-offs
between
mitigation,
results
confirm
soils
before
storm
events
lead
greater
reduction
10%,
prior
heatwaves
resulted
evaporative
cooling.
Compared
current
scenarios
decreasing
number
hours
(Heat
Index
>
31
°C)
per
year
on
average
64.5%,
reduce
58%
across
all
districts.
Thus,
our
simulation
show
investing
greener
infrastructure,
has
positive
impacts
microclimate
hydrology.
Finally,
discuss
synergies
investigated
management
options
as
well
transferability
other
cities.
Hydrology,
Journal Year:
2025,
Volume and Issue:
12(1), P. 16 - 16
Published: Jan. 15, 2025
As
climate
change
intensifies
with
more
frequent
and
severe
flood
events,
urban
areas
face
increasing
challenges
to
protect
population
wellbeing.
Amid
development
challenges,
political
uncertainty,
socioeconomic
pressures,
finding
sustainable
solutions
enhance
resilience
has
become
urgent
complex.
This
article
explores
the
limitations
of
traditional
drainage
systems
in
an
zone
Bucharest,
Romania,
integration
nature-based
for
mitigation.
We
compare
existing
situation
those
simulated
a
scenario
before
after
implementing
green
solutions.
The
imperviousness
parking
lots
was
set
at
60%,
that
roofs
65%,
85%.
A
hydraulic
model
used
this
purpose.
results
demonstrate
current
stormwater
struggle
meet
demands
rainfall
intensity
highlight
how
strategies
can
effectively
address
extreme
weather
while
contributing
restoration
natural
environments
within
city.
In
case
using
‘gray’
solutions,
only
10–20%
area
affected
by
floods
is
reduced.
comparison,
combination
gray
infrastructure
achieved
average
reduction
peak
water
levels
0.76
m.
Hydrological Processes,
Journal Year:
2025,
Volume and Issue:
39(2)
Published: Feb. 1, 2025
ABSTRACT
Urban
winter
runoff
management
was
mainly
regulated
by
temperature
variations
and
the
snow‐removing
measures,
but
underlying
mechanism
of
temperature‐hydraulic
conductivity
(T‐K)
relation
seldom
studied
for
urban
environments
far
from
clearly
understood.
It
is
imperative
to
consider
T‐K
snowmelt
calculation
especially
when
compound
effects
with
measures
low
impact
development
(LID)
need
be
considered.
This
work
investigated
regulation
on
infiltration
a
proposed
modelling
framework.
A
series
hydrologic
model
experiments
revealed
crucial
link
between
hydraulic
emphasising
role
in
partitioning
percolation
runoff.
The
inclusion
SWMM
resulted
26.0%–37.1%
decrease
12.7%–25.8%
increase
were
found
become
more
significant
anthropogenic
interventions
such
as
snow‐clearing
LID
applied.
After
modelled,
caused
reduced
33.7%–48.2%
raised
19.7%–35.6%,
respectively,
would
further
reduce
46.2%–65.2%
71.0%–105.2%.
study
serves
one
first
few
attempts
improve
understanding
freeze–thaw
cycles
land
surface
environments.
