Assessment of Air Pollution and Lagged Meteorological Effects in an Urban Residential Area of Kenitra City, Morocco
Atmosphere,
Год журнала:
2025,
Номер
16(1), С. 96 - 96
Опубликована: Янв. 16, 2025
Complex
mixtures
of
air
pollutants,
including
ozone
(O3),
carbon
monoxide
(CO),
sulfur
dioxide
(SO2),
nitrogen
(NO2),
black
(BC),
and
fine
particulate
matter
(PM2.5),
present
significant
health
risks.
To
understand
the
factors
influencing
pollution
levels
their
temporal
variations,
comprehensive
high-resolution
long-term
data
are
essential.
This
study
analyzed
characteristics,
lagged
meteorological
effects,
patterns
six
pollutant
concentrations
over
a
one-year
period
at
an
urban
residential
site
in
Kenitra,
Morocco.
The
results
reveal
pronounced
seasonal
diurnal
variations
levels,
shaped
by
factors,
emission
sources,
local
geographic
conditions.
PM2.5,
SO2,
CO
peaked
during
winter,
while
NO2
exhibited
consistent
peaks
morning
evening
rush
hours
across
all
seasons,
driven
traffic
emissions
nocturnal
accumulation.
In
contrast,
O3
were
highest
summer
afternoons
due
to
photochemical
reactions
fueled
strong
UV
radiation,
winter
lowest
reduced
sunlight.
Lagged
effects
further
highlighted
complexity
dynamics.
Meteorological
temperature,
wind
speed,
humidity,
pressure,
significantly
influenced
with
both
immediate
observed.
Lag
analyses
revealed
that
PM2.5
BC
responded
humidity
time,
highlighting
dynamics
dispersion
is
sensitive
temperature
pressure
changes,
delayed
impacts,
formation
was
primarily
reflecting
complex
processes.
SO2
direction
playing
key
role
transport.
These
findings
emphasize
importance
considering
as
well
developing
quality
management
strategies.
Язык: Английский
Ankara’da Partikül Madde (PM10) ve Kükürt Dioksit (SO2) Konsantrasyonlarının İklim Parametreleri İle Mekânsal-Zamansal Analizi
Doğal Afetler ve Çevre Dergisi,
Год журнала:
2025,
Номер
11(1), С. 249 - 267
Опубликована: Янв. 25, 2025
Türkiye’de
hava
kirliliği,
özellikle
büyük
şehirlerde,
nüfus
artışı,
plansız
kentleşme,
sanayi
ve
enerji
tesislerindeki
artış
nedeniyle
ciddi
bir
sorun
haline
gelmiştir.
Partikül
Madde
(PM10)
Kükürt
Dioksit
(SO2)
konsantrasyonları,
üretimindeki
yüksek
emisyonlar
sonucu
kalitesini
önemli
ölçüde
bozmaktadır.
Hava
kirliliği
sorunuyla
karşılaşan
şehirlerden
biri
olan
Ankara,
2022
Türkiye
Çevre
Sorunları
Öncelikleri
Değerlendirme
Raporu'nda
kirliliğinin
öncelikli
sorunlar
arasında
ikinci
sırada
yer
aldığı
belirtilmiştir.
Bu
çalışmanın
amacı,
2011–2014
yılları
Ankara’da
PM10
SO2
konsantrasyonlarının,
meteorolojik
faktörlerin
etkisi
altında
mekânsal-zamansal
değişimlerini
Kriging
with
External
Drift
(KED)
yöntemi
kullanarak
incelemektir.
2011
yılında,
konsantrasyon
değerleri,
diğer
yıllara
göre
daha
düşük
seviyelerde
olup,
Dünya
Sağlık
Örgütü
(World
Health
Organization,
WHO)
tarafından
belirlenen
yıllık
değerlerinin
üzerinde
kalmıştır.
2012
2013
yıllarında,
konsantrasyonlarında
gözlemlenmiş
şehrin
farklı
bölgelerinde
değişkenlik
göstermiştir.
2014
artan
yağış
sıcaklık
değerleri
ile
birlikte,
dikkat
çekici
azalma
yaşanmıştır.
konsantrasyonlarına
ait
tahmin
modellerinin
performansı
değerlendirildiğinde,
modelinin
%66,
%78
oranında
açıklayıcı
güce
sahip
olduğu
görülmektedir.
konsantrasyonlarının
faktörler
kullanılarak
yapılan
KED
analizi,
anlamak
mekânsal
değişkenler
arasındaki
ilişkileri
zaman
içindeki
etkileşimleri
kavrayabilmek
açısından
önemlidir.
Ground-Based LiDAR Analysis of Persistent Haze Pollution Events During Winter 2022 in Luohe City
Remote Sensing,
Год журнала:
2025,
Номер
17(5), С. 786 - 786
Опубликована: Фев. 24, 2025
Aerosol
transport
flux
LiDAR
was
used
to
observe
heavy
pollution
events
in
Luohe
City
during
January
2022
and
combined
with
monitoring
data
of
ground
meteorological
parameters
conventional
pollutants
analyze
the
vertical
optical
properties
aerosols,
sources,
causes
pollution.
Two
(January
2nd–5th
13th–20th,
2022)
were
effectively
monitored
divided
into
four
phases
according
PM2.5
concentrations
relative
humidity
(RH).
The
results
showed
that
all
PM2.5/PM10
values
above
0.5
throughout
pollution,
indicating
a
predominance
fine
particulate
matter.
Analysis
distribution
aerosol
inversion
layer
distributed
below
1
km;
profile
extinction
coefficient
dominated
by
local
emissions,
while
contribution
regional
transmission
2nd
5th
also
quite
prominent;
kriging
interpolation
this
covered
most
central
eastern
regions
China
2022.
there
three
main
channels
PM2.5:
east
(Zhoukou,
Lu–Wan–Yu–Su
junction),
northeast
(Lu–Yu
southeast
(YRD).
analysis
clustered
backward
trajectories,
potential
source
function
(PSCF),
concentration-weighted
trajectory
(CWT)
models
sources
mainly
junction
zones
as
well
Shaanxi
Province,
PSCF
0.7
CWT
70
μg/m3.
This
study
could
provide
scientific
basis
for
prevention
control
Язык: Английский
Assessing the Impact of Spatial and Temporal Variability in Fine Particulate Matter Pollution on Respiratory Health Outcomes in Asthma and COPD Patients
Journal of Personalized Medicine,
Год журнала:
2024,
Номер
14(8), С. 833 - 833
Опубликована: Авг. 6, 2024
Ambient
air
pollution's
health
impacts
are
well
documented,
yet
the
domestic
environment
remains
underexplored.
We
aimed
to
compare
indoor
versus
outdoor
(I/O)
quality
and
estimate
association
between
indoor/ambient
fine
particulate
matter
(PM
Язык: Английский
Groundwater Geochemistry in the Karst-Fissure Aquifer System of the Qinglian River Basin, China
Hydrology,
Год журнала:
2024,
Номер
11(11), С. 184 - 184
Опубликована: Окт. 30, 2024
The
Qinglian
River
plays
a
significant
role
in
China’s
national
water
conservation
security
patterns.
To
clarify
the
relationship
between
hydrogeochemical
properties
and
groundwater
quality
this
karst-fissure
aquifer
system,
drilling
data,
hydrochemical
parameters,
δ2H
δ18O
values
of
were
analyzed.
Multiple
indications
(Piper
diagram,
Gibbs
Na+-normalized
molar
ratio
chloro-alkaline
index
1,
mineral
saturation
index,
principal
component
analysis)
used
to
identify
primary
sources
chemicals
groundwater.
Silicate
weathering,
oxidation
pyrite
chlorite,
cation
exchange
reactions,
precipitation
are
dissolved
igneous-fissure
water.
most
relevant
parameters
karst
possibly
from
anthropogenic
activities,
other
mostly
derived
dissolution
calcite
dolomite
reactions.
Notably,
chemical
composition
deep
basin
is
mainly
influenced
by
weathering
carbonate
reactions
less
affected
human
activities.
hyporheic
zone
carbonates
silicates,
evaporation,
promotion
effect
anorthite
or
Ca-containing
minerals.
Moreover,
smallest
slope
line
among
all
groups
revealed
that
mixing
effects
isotope
water–rock
interaction
recharge
strongest.
methods
study
contribute
an
improved
understanding
processes
occur
systems
can
be
useful
zoning
management
decision-making
for
resources.
Язык: Английский