Geophysical Research Letters,
Journal Year:
2019,
Volume and Issue:
46(12), P. 6868 - 6877
Published: May 23, 2019
Abstract
Urban
land
expansion
is
one
of
the
most
conspicuous
aspects
urbanization
and
has
profound
impacts
on
regional
climate
change.
Most
studies,
however,
focus
its
surface
temperature,
possible
effects
atmospheric
humidity
are
less
known.
By
examining
changes
in
Yangtze
River
Delta
urban
agglomeration
China
during
1961–2014,
we
find
a
prominent
dry
island
(UDI)
effect
this
agglomeration,
as
characterized
by
reduced
increased
vapor
pressure
deficit
core
area.
In
past
decades,
UDI
been
significantly
intensified
rapid
expansion.
contributes
to
around
half
decrease
increase
areas.
These
particularly
stronger
wet
hot
summer
relatively
weaker
cold
winter.
We
suggest
that
should
be
considered
future
planning,
landscape
design,
change
assessment
mitigation.
Nature Communications,
Journal Year:
2020,
Volume and Issue:
11(1)
Published: May 27, 2020
Abstract
The
canopy
layer
urban
heat
island
(UHI)
effect,
as
manifested
by
elevated
near-surface
air
temperatures
in
areas,
exposes
dwellers
to
additional
stress
many
cities,
specially
during
waves.
We
simulate
the
climate
of
various
generated
cities
under
same
weather
conditions.
For
mono-centric
we
propose
a
linear
combination
logarithmic
city
area
and
gross
building
volume,
which
also
captures
influence
density.
By
studying
shapes,
generalise
reduced
form
estimate
UHI
intensities
based
only
on
structure
sites,
well
their
relative
distances.
conclude
that
addition
size,
intensity
is
directly
related
density
an
amplifying
effect
sites
have
each
other.
Our
approach
can
serve
rule
thumb
for
comparison
development
scenarios.
Earth s Future,
Journal Year:
2019,
Volume and Issue:
7(4), P. 411 - 427
Published: March 1, 2019
The
temporal
structure
of
heat
waves
having
substantial
human
impact
varies
widely,
with
many
featuring
a
compound
hot
days
interspersed
cooler
breaks.
In
contrast,
wave
definitions
employed
by
meteorologists
include
continuous
threshold‐exceedance
duration
criterion.
This
study
examines
the
hazard
these
diverse
sequences
extreme
in
present,
and
their
change
global
warming.
We
define
to
those
periods
additional
following
short
breaks
duration.
apply
analyze
daily
temperature
data
from
observations,
NOAA
Geophysical
Fluid
Dynamics
Laboratory
climate
model
simulations
past
projected
climate,
synthetically
generated
time
series.
demonstrate
that
will
constitute
greater
proportion
as
warms
suggest
an
explanation
for
this
phenomenon.
result
implies
order
limit
heat‐related
mortality
morbidity
warming,
there
is
need
consider
added
vulnerability
caused
compounding
waves.
Advances in Atmospheric Sciences,
Journal Year:
2022,
Volume and Issue:
39(6), P. 819 - 860
Published: Jan. 25, 2022
Urban
environments
lie
at
the
confluence
of
social,
cultural,
and
economic
activities
have
unique
biophysical
characteristics
due
to
continued
infrastructure
development
that
generally
replaces
natural
landscapes
with
built-up
structures.
The
vast
majority
studies
on
urban
perturbation
local
weather
climate
been
centered
heat
island
(UHI)
effect,
referring
higher
temperature
in
cities
compared
their
surroundings.
Besides
UHI
effect
waves,
urbanization
also
impacts
atmospheric
moisture,
wind,
boundary
layer
structure,
cloud
formation,
dispersion
air
pollutants,
precipitation,
storms.
In
this
review
article,
we
first
introduce
datasets
methods
used
studying
areas
through
both
observation
modeling
then
summarize
scientific
insights
impact
various
aspects
regional
extreme
based
more
than
500
studies.
We
highlight
major
research
gaps
challenges
our
understanding
provide
perspective
recommendations
for
future
priorities
directions.城市环境位于社会、文化和经济活动的结合点,城市下垫面具有独特的生物物理特征。在城市化过程中持续的基础设施建设导致自然景观被建筑物替代。在过去很长时间,绝大部分城市影响天气气候的研究和城市热岛效应(城市及上空温度高于周边地区)有关。除了城市热岛效应,城市化也影响大气湿度、风、边界层结构、云的形成、污染物扩散、降水和暴雨。在这篇综述文章中,我们阅览了超过五百篇文献,从观测和模拟两个方面,首先介绍了用于城市化及影响研究的数据资料和方法,总结了城市化影响区域气候和极端天气的各个领域的科学要点。我们也例举了在理解城市化影响方面目前存在的主要问题和挑战,提出了相应的未来研究重点和方向。.
Geophysical Research Letters,
Journal Year:
2018,
Volume and Issue:
45(23)
Published: Nov. 30, 2018
Abstract
A
combination
of
hot
temperature
and
high
humidity
(high
heat
stress)
has
severe
impacts
on
environment,
society,
public
health,
especially
in
urban
areas
where
the
majority
world's
population
lives.
This
study
investigates
changes
stress
eastern
China
urbanization
effects.
Data
for
242
records
from
a
dense
network
nearly
2,000
stations
are
examined.
All
have
experienced
substantial
increases
mean
frequencies
extreme
days
events
during
1971–2014.
The
human‐perceived
even
stronger
than
air
temperature.
Urban
experience
more
intense
surrounding
rural
areas.
We
estimate
that
accounts
30%
increase
stress.
Urbanization
effects
prominent
major
conglomerates
such
as
Beijing‐Tianjin‐Hebei
Yangtze
Pearl
river
deltas.
