Applied Sciences,
Год журнала:
2024,
Номер
14(10), С. 3979 - 3979
Опубликована: Май 8, 2024
As
the
capital
of
China
and
a
densely
populated
major
city,
characteristics
Beijing’s
near-surface
wind
field
change
significantly
with
increase
in
density
underlying
urban
structures.
The
high
randomness
natural
makes
it
extremely
difficult
to
develop
universally
applicable
wind-resistant
load
design
code
based
on
topographic
factors
architectural
features.
This
article
takes
speeds
recorded
at
15
different
height
levels
within
area
by
325
m
meteorological
tower
Beijing
from
1991
2020
as
research
subject.
It
quantifies
speed
trends
heights
introduces
time-varying
functions
establish
non-stationary
model
optimal
model.
Additionally,
compares
basic
pressure
variation
coefficients
obtained
measurements
standards.
results
show
that,
during
past
30
years
urbanization,
has
shown
decreasing
trend.
incorporating
exhibited
best
fit
demonstrated
good
predictive
capabilities,
its
calculated
being
relatively
high.
coefficient
values
are
between
Class
C
D
terrains,
closer
lower
altitudes.
conclusion
reveals
that
urbanization
significant
impact
speeds,
primarily
concentrated
levels,
standards
underestimate
actual
conditions
when
this
is
not
considered.
Although
average
speed’s
profile
index
across
entire
time
series
mostly
greater
than
fixed
value
0.3
given
D,
represents
an
overestimated
for
maximum
speeds.
Frontiers in Environmental Science,
Год журнала:
2023,
Номер
11
Опубликована: Фев. 10, 2023
Under
the
background
of
global
warming,
interaction
between
heat
waves
(HWs)
and
urban
island
(UHI)
has
led
to
trends
increase
in
intensity,
frequency,
duration
extreme
events
areas,
seriously
threatening
health
populations.
Taking
Guangzhou
(a
tropical
megacity
China)
as
an
example,
this
study
used
automatic
weather
station
data
ERA5
reanalysis
explore
HWs
UHI,
elucidate
effects
wind
speed
local
climate
zones
(LCZs)
on
such
interaction.
Results
revealed
obvious
HWs–UHI
Guangzhou,
whereby
induces
amplification
effect
UHI
intensity
(UHII)
that
was
most
significant
at
night.
In
main
area,
UHII
both
weakened
with
increasing
speed,
indicating
low
speeds
contribute
increased
occurrence
enhancement
UHII.
Differently,
some
areas
peripheral
medium
stronger
than
speeds,
which
reflect
impact
advection
from
center.
For
different
LCZs
strongest
UHII,
highest
risk
HW
occurrence,
were
found
compact
mid-rise
buildings
low-rise
(LCZ2
LCZ3,
respectively),
followed
by
high-rise
(LCZ1),
mainly
affected
shading
buildings.
The
weakest
lowest
open
(LCZ4
LCZ5,
generally
have
good
ventilation
conditions.
Our
findings
will
help
understand
warming
its
association
regions,
implications
for
rational
improvement
thermal
environment
other
regions
globally.
Buildings,
Год журнала:
2024,
Номер
14(2), С. 348 - 348
Опубликована: Янв. 26, 2024
The
appropriate
design
of
urban
ventilation
corridors
(VCs)
can
improve
the
thermal
environment,
thereby
reducing
energy
consumption
and
promoting
sustainable
development.
However,
existing
research
lacks
a
comprehensive
grasp
characteristics
VCs
from
multiple
dimensions
quantitative
analysis
its
cooling
effect.
We
propose
novel
approach
based
on
data
mining
to
comprehensively
consider
morphological
environmental
explore
correlation
between
VC
Selecting
Nanjing
as
an
example,
index
system
was
constructed,
effect
investigated,
optimal
range
with
different
underlying
surface
types
obtained.
Results
revealed
that
is
closely
related
surface,
leading
temperature
difference
up
5.4
°C.
vary
13
600
m.
recommended
parameter
intervals
for
were
determined.
Finally,
targeted
strategies
alleviate
heat
island
proposed
types.
study
output
contributes
VCs,
which
great
significance
in
alleviating
development
cities.
Atmosphere,
Год журнала:
2024,
Номер
15(3), С. 257 - 257
Опубликована: Фев. 21, 2024
Under
the
trend
in
climate
change,
global
warming,
and
increasingly
serious
urban
heat
island
effect,
promoting
wind
corridor
planning
to
reduce
temperature
mitigate
effect
of
islands
has
received
widespread
attention
many
cities.
With
emerging
awareness
need
explicitly
incorporate
considerations
into
design,
integrating
current
spatial
analysis
simulation
tools
enhance
obtain
best
ventilation
become
an
important
research
topic
green
city
development.
However,
how
systematically
carry
out
by
employing
related
technology
is
a
that
needs
be
explored
urgently
both
theory
practice.
Taking
Zhumadian
City
China
as
example,
this
study
proposes
method
approach
uses
remote
sensing
(RS),
geographic
information
system
(GIS),
computational
fluid
dynamics
(CFD)
integrated
way
understand
landscape
conduct
planning.
The
results
reveal
form
favors
development
corridors,
railway
lines
some
major
roads
have
potential
developed
city’s
main
corridors.
there
are
still
barriers
resulting
from
existing
land
use
model
building
layout
patterns
adjusted.
In
terms
local-level
analysis,
CFD
also
reveals
common
may
result
environments
with
poor
ventilation.
Finally,
based
on
our
empirical
local
environment,
specific
suggestions
provided
develop
appropriate
strategies
for
adjustments
order
impact
effect.
Atmosphere,
Год журнала:
2024,
Номер
15(9), С. 1034 - 1034
Опубликована: Авг. 27, 2024
Urban
ventilation
corridors
are
designed
to
enhance
air
quality,
alleviate
urban
thermal
conditions,
reduce
pollution
and
energy
consumption,
as
well
improve
human
comfort
within
cities.
They
play
a
pivotal
role
in
mitigating
environmental
impacts,
particularly
densely
populated
areas.
Based
on
satellite
remote
sensing
data,
meteorological
observations,
basic
geographic
information
of
Zhengzhou
City
its
surroundings,
planning
we
analyzed
the
wind
environment,
heat
island,
ecological
cold
sources,
potential.
The
findings
reveal
several
key
insights:
(1)
Dominant
winds
predominantly
originate
from
northwest,
northeast,
south,
influenced
by
topography
monsoon
climate,
with
seasonal
variations.
These
patterns
crucial
considerations
for
designing
primary
corridors.
(2)
island
exhibits
polycentric
spatial
distribution,
intensity
decreasing
city
center
towards
periphery.
Ecological
primarily
situated
outskirts,
act
reservoirs
fresh
that
mitigate
effect
through
designated
(3)
A
preliminary
corridor
system,
termed
“eight
thirteen
secondary
corridors”,
is
proposed
based
an
integrated
assessment
potential,
surface
roughness,
sky
view
factor.
This
research
contributes
advancing
understanding
systems
provides
practical
insights
policymakers,
planners,
researchers
seeking
sustainable
solutions
climate
impacts
rapidly
urbanizing
environments
region.
