Urbanization and its thermal footprint: A spatiotemporal analysis of land-use/land-cover changes and land surface temperature in Ha Noi city, Viet Nam
Research Square (Research Square),
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 18, 2025
Abstract
Urbanization
significantly
alters
environmental
systems,
leading
to
notable
changes
in
land-use/land-cover
(LULC)
and
associated
increases
land
surface
temperature
(LST),
intensifying
urban
heat
island
(UHI)
effects.
This
study
investigates
spatiotemporal
variations
LULC
LST
dynamics
Ha
Noi,
Viet
Nam,
from
1998
2022,
using
Landsat
satellite
imagery,
remote
sensing,
GIS
techniques.
was
classified
into
built-up
areas,
agriculture,
forests,
barren
land,
open
water,
with
results
indicating
significant
expansion
at
the
expense
of
agricultural
land.
Built-up
areas
grew
substantially
7.45%
16.99%
resulting
a
marked
rise
average
LST,
reaching
25.28°C
by
2022.
intensified
effect,
evidenced
higher
compared
vegetated
regions
water
bodies.
The
correlation
analysis
revealed
strong
positive
associations
between
indices
(NDBI,
BI),
while
vegetation
(NDVI,
NDWI)
correlated
negatively
LST.
Additionally,
Contribution
Index
(CI)
demonstrated
that
increased
temperatures,
whereas
forested
bodies
mitigated
this
effect.
underscore
critical
role
green
blue
infrastructure
mitigating
thermal
stress
emphasize
urgency
sustainable
planning
management.
Findings
provide
valuable
insights
for
planners
policymakers
enhance
climate
resilience,
balance
sustainability,
accommodate
ongoing
growth
rapidly
urbanizing
cities
like
Noi.
Язык: Английский
The impact of urban morphology on land surface temperature across urban-rural gradients in the Pearl River Delta, China
Building and Environment,
Год журнала:
2024,
Номер
267, С. 112215 - 112215
Опубликована: Окт. 22, 2024
Язык: Английский