Interdependence of temperature and land use on water quality in urban lakes, Vellore, Tamil Nadu, India
D. R. Manjunath,
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P. Jagadeesh
No information about this author
Frontiers in Water,
Journal Year:
2025,
Volume and Issue:
7
Published: May 7, 2025
Urban
lakes
provide
crucial
ecological,
social,
and
economic
benefits,
but
rapid
urbanization
land
use
changes
have
significantly
compromised
their
health
sustainability.
This
study
investigates
the
interrelations
among
use,
temperature,
water
quality
in
Vellore
(1997–2024)
to
address
sustainable
development
goals
(SDG)
6.4
(water)
13.3
(climate
resilience).
Satellite
derived
data
revealed
a
direct
correlation
between
reduced
spread
area
(1.82%)
increasing
LSTs,
underscoring
adverse
effects
of
urbanization.
Notably,
64%
dissolved
oxygen
(DO)
samples
surpassed
permissible
limits.
Hardness,
electrical
conductivity
(EC),
total
solids
(TDS)
DO
emerge
as
primary
influencers
Water
Quality
Index
(WQI).
It
was
validated
by
XGBoost
model.
Based
on
WQI
most
lake
classified
“Poor”
for
drinking.
Principle
component
analysis
68%
variance
with
main
factors
LST,
built-up,
vegetative
cover.
Furthermore,
suggesting
that
implementing
30%
green
buffers,
restoring
2–5%
WSA,
adopting
climate-smart
urban
planning
could
lower
LST
1.8°C.
These
science-driven
strategies
align
SDGs
India’s
Smart
Cities
Mission,
offering
pathway
harmonize
ecological
resilience
safeguard
biodiversity
under
changing
climate.
Language: Английский
Investigating Thermal Stability in Hyderabad City, India
Journal of Landscape Ecology,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 25, 2024
Abstract
Thermal
environment
and
land
use
status
are
the
two
controlling
factors
for
determining
ecological
health
of
any
urban
area.
The
study
aims
to
investigates
stability
relationship
between
surface
temperature
with
normalized
difference
built-up
index
in
Hyderabad
City,
India
using
eight
Landsat
8
data
summer
season
2023.
applies
Pearson’s
method
correlation
coefficient
this
relationship.
results
represent
a
consistent
nature
values
as
range
mean
(0.08
6.78
o
C
temperature)
standard
deviation
(0.02
0.79
significantly
low.
Land
very
stable
(correlation
=
>
0.63
images
0.50
images).
Moreover,
also
built
strong
positive
(average
=0.64)
temperature.
affects
vegetation
life
city
influences
index.
Built-up
leads
an
increase
value
regulates
is
useful
environmental
planning.
Language: Английский