Applied Sciences,
Journal Year:
2024,
Volume and Issue:
14(6), P. 2406 - 2406
Published: March 13, 2024
This
paper
investigates
the
relationship
between
port
productivity
and
carbon
dioxide
(CO2)
emissions
in
cities.
The
study
initially
employs
global
Malmquist
index
(MPI)
to
measure
growth
16
major
inland
ports
along
Yangtze
River,
obtaining
data
on
ports’
total
factor
(TFP).
Through
an
analysis
using
panel
model
with
two-way
fixed
effects,
we
find
a
positive
correlation
improvement
of
TFP
increase
CO2
Further
quantile
regression
reveals
heterogeneity
this
impact,
especially
cities
medium
higher
emissions,
where
effects
are
particularly
significant.
also
indicates
threshold
effect
size
emissions:
smaller
ports,
impact
is
less
significant;
however,
once
exceeds
certain
threshold,
significantly
promotes
emissions.
These
findings
provide
theoretical
justification
decision-making
references
for
policymakers
adopt
effective
measures
mitigate
while
promoting
efficiency
production.
Water,
Journal Year:
2025,
Volume and Issue:
17(2), P. 197 - 197
Published: Jan. 13, 2025
Urbanization,
driven
by
socio-economic
development,
has
significantly
impacted
river
ecosystems,
particularly
in
plain
city
regions,
leading
to
disruptions
network
structure
and
function.
These
changes
have
exacerbated
hydrological
fluctuations
ecological
degradation.
This
study
focuses
on
the
central
urban
area
of
Changzhou
using
a
MIKE11
model
assess
effects
four
connectivity
strategies—water
diversion
scheduling,
connectivity,
dredging,
sluice
connectivity—across
13
different
scenarios.
The
results
show
that
water
diversion,
scenarios
provide
greatest
improvements
environmental
capacity,
with
maximum
increases
54.76%,
41.97%,
25.62%,
respectively.
spatial
distribution
reveals
significant
regional
variation,
some
areas,
Tianning
Zhonglou
districts,
experiencing
declines
capacity
under
river-connectivity
In
addition,
Lao
Zaogang
River
is
identified
as
crucial
for
improving
overall
quality
network.
Based
multi-objective
evaluation,
combining
economic
factors,
recommends
optimizing
scheduling
at
sluices
(Weicun,
Zaogang,
Xiaohe)
flow
rates
between
20–40
m3/s,
enhancing
key
hubs,
focusing
management
efforts
Xinmeng
rivers
strengthen
linkages
within
