Water Science & Technology Water Supply,
Journal Year:
2024,
Volume and Issue:
24(11), P. 3940 - 3953
Published: Oct. 26, 2024
ABSTRACT
Pollution
of
urban
rivers
not
only
destroys
the
river
ecology
but
also
adversely
affects
health
residents
and
landscape.
In
this
regard,
we
selected
a
certain
in
Wuhan
for
research.
paper,
utilize
modified
bypass
multi-stage
ecological
pond
reservoir
system,
set
up
front
parthenogenetic
pond,
aeration
oxygenation
purification
other
processes,
supplemented
with
aeration–bacteriophage
coupling,
filler-type
floating
island
technologies
to
improve
water
quality
river.
Results
show
that
4
months
after
operation
rate
enhancement
transparency
reached
550%,
dissolved
oxygen
(DO)
uplift
322%,
addition,
system
achieved
77.98,
77.78
74.41%
removal
ammonia
nitrogen
(NH3-N),
total
phosphorus
(TP),
chemical
demand
(COD)
respectively,
effluent
meets
target
standard.
The
process
has
good
pollutant
effect,
low
cost
characteristics
can
enhance
landscape
biodiversity.
It
provide
reference
similar
pollution
improvement.
Limnology and Oceanography Letters,
Journal Year:
2024,
Volume and Issue:
10(1), P. 113 - 121
Published: Oct. 8, 2024
Abstract
Despite
global
evidence
of
lake
deoxygenation,
its
duration,
timing,
and
impacts
over
decadal
to
centennial
timescales
remain
uncertain.
This
study
introduces
a
novel
model
approach
using
150
yr
limnological
paleolimnological
data
evaluate
the
anthropogenic
on
deep
oxygen
in
Lake
Geneva.
Results
highlight
an
increase
consumption
rates
due
cultural
eutrophication,
initially
triggering
historical
hypoxia,
subsequently
exacerbated
by
reduced
winter
mixing
induced
climate
change.
Simulations
pre‐eutrophication
conditions
future
scenarios
define
safe
operating
spaces
for
thrive
without
severe
hypoxia
risk.
Complete
O
2
recharge
once
every
3
can
compensate
demand
Geneva,
even
when
exceeding
1.5
g
m
−2
d
−1
.
However,
complete
becomes
less
frequent,
similar
those
observed
before
eutrophication
cause
persistent
posing
significant
threat
survival
hypolimnetic
aquatic
life.
Water Science & Technology Water Supply,
Journal Year:
2024,
Volume and Issue:
24(11), P. 3940 - 3953
Published: Oct. 26, 2024
ABSTRACT
Pollution
of
urban
rivers
not
only
destroys
the
river
ecology
but
also
adversely
affects
health
residents
and
landscape.
In
this
regard,
we
selected
a
certain
in
Wuhan
for
research.
paper,
utilize
modified
bypass
multi-stage
ecological
pond
reservoir
system,
set
up
front
parthenogenetic
pond,
aeration
oxygenation
purification
other
processes,
supplemented
with
aeration–bacteriophage
coupling,
filler-type
floating
island
technologies
to
improve
water
quality
river.
Results
show
that
4
months
after
operation
rate
enhancement
transparency
reached
550%,
dissolved
oxygen
(DO)
uplift
322%,
addition,
system
achieved
77.98,
77.78
74.41%
removal
ammonia
nitrogen
(NH3-N),
total
phosphorus
(TP),
chemical
demand
(COD)
respectively,
effluent
meets
target
standard.
The
process
has
good
pollutant
effect,
low
cost
characteristics
can
enhance
landscape
biodiversity.
It
provide
reference
similar
pollution
improvement.
