Long-Term Spatio-Temporal Analysis, Distribution, and Trends of Dust Events over Iran
Atmosphere,
Journal Year:
2025,
Volume and Issue:
16(3), P. 334 - 334
Published: March 16, 2025
This
study
provides
a
comprehensive
evaluation
of
dust
events
over
Iran,
using
synoptic
data
from
286
meteorological
stations.
The
are
classified
according
to
codes
as
suspended
and
others
(i.e.,
blowing
dust,
storms)
based
on
their
intensity
with
horizontal
visibility
≤1,
3,
5,
10
km.
Severe
(visibility
≤
1
km)
(code
06)
occurred
primarily
in
the
western
parts
while
moderate
or
severe
dominated
south
eastern
thus
revealing
contrasting
spatial
distribution
regarding
type
frequency
events.
Furthermore,
distinct
seasonality
is
revealed
number
events,
since
maximized
SW
Iran
March
July,
highly
associated
Shamal
winds,
storms
east
April
August.
Zabol
city,
some
stations
along
coast
Arabian
Sea
impacted
by
this
storm
throughout
year.
Trend
analysis
notable
increase
during
period
1994–2023,
particularly
part
mostly
attributed
transboundary
Mesopotamian
plains.
large
activity
1994–2009
was
followed
decrease
2010s
at
many
stations,
differences
were
observed
trends
dust.
An
inverse
correlation
between
precipitation
anomalies
observed,
years
abnormal
(e.g.,
2019;
138%
increase)
related
substantial
occurrence.
Over
an
11-year
period,
surface
concentrations
exceeded
annual
PM10
threshold
50
µg/m3
more
than
800
days,
maximum
reaching
up
1411
µg/m3.
highlights
urgent
need
for
effective
management
strategies
mitigate
impacts
air
quality
public
health
Iran.
Language: Английский
Application of WRF-Chem and HYSPLIT Models for Dust Storm Analysis in Central Iran (Case Study of Isfahan Province, 21–23 May 2016)
Atmosphere,
Journal Year:
2025,
Volume and Issue:
16(4), P. 383 - 383
Published: March 27, 2025
Dust
is
one
of
the
most
important
problems
human
societies
in
arid
and
semi-arid
areas.
This
study
analyzed
rising
propagation
dust
storm
occurring
from
21
to
23
May
2016
Isfahan
province
(Central
Iran)
by
using
WRF-Chem
HYSPLIT
models.
The
was
visualized
visible
imagery
coarse-mode
aerosol
optical
depth
data
satellite
sensor
data,
emission
transport
were
simulated
for
Central
Iran
with
AFWA
GOCART
schemes.
results
show
that
concentration
Sistan
Baluchistan
Persian
Gulf
as
high
2000
µg/m3,
both
schemes
estimate
highest
amount
emissions
central
parts
eastern
part
province.
PM10
Yazd
station
used
verify
model
outputs,
which
showed
scheme
has
a
higher
correlation
coefficient
observations
(0.62)
than
scheme.
case
suggests
simulate
reasonably
good
reliability,
though
further
determination
enhancement
are
still
required
an
accurate
prediction
extents.
Language: Английский