Journal of Geophysical Research Atmospheres,
Journal Year:
2025,
Volume and Issue:
130(7)
Published: April 8, 2025
Abstract
With
the
growing
need
to
fully
understand
characteristics
of
daytime
and
nighttime
heatwaves
under
global
warming,
an
overall
investigation
has
been
conducted
distinctly
separating
comparing
independent
daytime,
nighttime,
day‐night
compound
over
China.
The
findings
reveal
that
Yangtze‐Huaihe
River
basin
(YHRB)
suffers
from
most
frequent
heatwaves,
which
also
exhibit
a
significant
rise
in
both
frequency
intensity
during
1961–2020.
Focused
on
regional
YHRB,
are
mostly
related
atmospheric
systems
at
middle
lower
levels,
including
strengthened
westward
western
North
Pacific
subtropical
high
(WNPSH)
Pacific‐Japan/East
Asia—Pacific
(PJ/EAP)
pattern,
benefits
sunny
weather
downdrafts
YHRB.
On
other
hand,
influenced
by
synoptic
higher
northward
cyclonic
meandering
East
Asian
jet
(EASJ),
eastward
South
(SAH),
positive
phase
circumglobal
teleconnection
(CGT)
pattern
accompanied
with
cloudy
downward
longwave
radiation
north
Our
would
help
improve
understanding
mechanisms
underlying
various
types
better
respond
them.
Meteorological Applications,
Journal Year:
2025,
Volume and Issue:
32(1)
Published: Jan. 1, 2025
Abstract
Heat
waves
harm
human
health
and
adversely
impact
the
natural
environment
society,
especially
in
urban
regions.
Understanding
differences
between
heat
agglomerations
their
driving
mechanisms
is
essential
for
sustainable
development.
In
this
study,
we
investigate
spatiotemporal
distribution
of
summertime
association
with
sea
surface
temperature
modes
two
China's
most
densely
populated
areas:
Beijing–Tianjin–Hebei
(BTH)
Yangtze
River
Economic
Belt
(YREB).
The
results
indicate
an
increase
frequency
BTH
YREB
by
0.02
times
a
−1
0.1
duration
0.09d
0.48d
,
respectively.
Regarding
spatial
distribution,
gradually
decreased
from
northeast
to
southwest.
contrast,
were
concentrated
upper
parts
lower
reaches.
Atlantic
Multidecadal
Oscillation
significantly
influences
both
Nevertheless,
Pacific
Decadal
Oscillation,
Indian
Ocean
Basin‐Wide
Index,
Cold‐tongue
ENSO
Index
primarily
region,
limited
influence
observed
region.
This
study
provides
scientific
basis
accurately
identifying
understanding
changes,
assisting
decision‐makers
formulating
mitigation,
adaptation
strategies,
disaster
prevention
policies
related
heat‐induced
consequences.
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(4), P. 1764 - 1764
Published: Feb. 9, 2025
In
July
2023,
19
continuous
days
of
very
hot
in
Hong
Kong
brought
inconvenience
to
citizens
and
disasters
society.
This
long-lasting
heat
wave
event
is
closely
linked
the
atmospheric
variability
on
quasi-biweekly
intraseasonal
timescales.
While
extreme
weather
has
aroused
attention
scientists
society,
limited
studies
focus
(QBIE)
weather.
Thus,
address
this
issue,
study
aims
at
examining
climatology
long-term
these
QBIE
events
Kong.
serves
as
one
few
fundamental
works
that
construct
a
century-long
record
temperature
events,
based
situ
observation
Kong,
further
examines
climatology,
diversity,
events.
A
total
382
waves
510
cold
surges
are
identified
from
1885
2022,
exhibiting
various
characteristics
their
occurring
time
seasonality.
Based
ARIMA
model
series
analyses,
we
find
while
apparent
interannual
exists
surge
activity,
short-term
climate
prediction
past
patterns
or
common
indices
largely
unfeasible.
research
provides
valuable
historical
reference
for
understanding
Guangdong–Hong
Kong–Macau
Greater
Bay
Area
highlights
need
predictability
future.
