Water Policy,
Journal Year:
2024,
Volume and Issue:
26(10), P. 959 - 977
Published: Oct. 1, 2024
ABSTRACT
The
regency
of
Bogor
has
become
the
with
highest
population
in
Indonesia.
regency's
5.4
million
been
driving
increased
pollutant
buildup
areas
like
those
around
Lower
Cileungsi
watershed,
impacting
quality
river.
This
study
aims
to
provide
input
on
pollution
control
strategies
River
based
load
capacity
pollutants
from
point
and
non-point
sources.
modeled
total
potential
organic
loads
existing
critical
water
flows.
Organic
reductions
were
also
simulated
meet
river
standard
stipulated
by
Indonesian
Government
Regulation
No.
22
2021
for
Monitoring
data
showed
that
biochemical
oxygen
demand
(BOD)
dissolved
(DO)
concentrations
did
not
standard,
placing
status
as
slightly
polluted
an
average
index
value
2.57.
BOD
all
sectors
was
32,851.65
kg/day,
exceeding
river's
21,785.6
kg/day.
modeling
suggested
87%
industries,
90%
lake
outlets,
60%
domestic,
20%
agriculture.
No
reduction
is
required
livestock
sector.
Environmental Science and Ecotechnology,
Journal Year:
2023,
Volume and Issue:
17, P. 100298 - 100298
Published: July 5, 2023
Water
diversion
is
a
common
strategy
to
enhance
water
quality
in
eutrophic
lakes
by
increasing
available
resources
and
accelerating
nutrient
circulation.
Its
effectiveness
depends
on
changes
the
source
lake
conditions.
However,
challenge
of
optimizing
remains
because
it
difficult
simultaneously
improve
minimize
amount
diverted
water.
Here,
we
propose
new
approach
called
dynamic
optimization
(DWDO),
which
combines
comprehensive
model
with
deep
reinforcement
learning
algorithm.
We
applied
DWDO
region
Lake
Dianchi,
largest
freshwater
China
validated
it.
Our
results
demonstrate
that
significantly
reduced
total
nitrogen
phosphorus
concentrations
7%
6%,
respectively,
compared
previous
operations.
Additionally,
annual
decreased
an
impressive
75%.
Through
interpretable
machine
learning,
identified
impact
meteorological
indicators
both
optimal
diversion.
found
single
input
variable
could
either
increase
or
decrease
diversion,
depending
its
specific
value,
while
multiple
factors
collectively
influenced
real-time
adjustment
Moreover,
using
well-designed
hyperparameters,
proved
robust
under
different
uncertainties
parameters.
The
training
time
theoretically
shorter
than
traditional
simulation-optimization
algorithms,
highlighting
potential
support
more
effective
decision-making
management.
Water,
Journal Year:
2018,
Volume and Issue:
10(8), P. 1068 - 1068
Published: Aug. 10, 2018
One
of
the
challenging
problems
Punjab,
most
populous
province
Pakistan,
is
surface
water-quality
problem
Ravi
River,
which
flows
through
main
cities
province.
At
present,
overall
status
water
quality
very
polluted,
primarily
due
to
residential
and
industrial
wastewater
directly
discharged
into
River
a
network
drains.
Due
poor
water,
river
ecosystem
not
favorable
for
aquatic
surrounding
environment.
Hence,
management
options
are
proposed
reduce
pollution.
Therefore,
study
was
formulated
identify
sources
pollution
along
their
potential
impact
on
course
channel.
In
addition,
applied
numerical
model
WASP
8.1
(Water
Quality
Simulation
Program)
discover
best
strategy
improvement
quality.
Through
simulation
it
found
that,
if
flow
at
headwater
link
canals
increased
up
50%,
with
75%
in
concentration
drains
wastewater-treatment
facilities,
can
be
improved
an
acceptable
limit
standards.
International Journal of River Basin Management,
Journal Year:
2016,
Volume and Issue:
14(2), P. 243 - 254
Published: Feb. 25, 2016
Fuzzy
theory
is
a
powerful
tool
with
the
capability
of
solving
many
complex
problems
which
include
river
water
quality
assessment
when
dealing
uncertainties
data
and
vagueness
that
occur
in
system.
In
this
paper,
various
fuzzy
techniques
are
applied
development
management;
particularly,
index
outlined.
Uncertainties
involved
management,
especially
from
random
nature
hydrologic
variables
missing
data,
can
be
overcome
using
techniques.
interference
system
(FIS)
plays
an
important
role
excursion.
FIS
improved
other
methods
such
as
similarity
measures
grey
clustering
method
to
obtain
better
accurate
results.
also
integrated
expert
decision
support
assist
decision-maker
improving
through
effective
strategies.
Thus,
incorporated
clustering,
artificial
neural
network,
provide
comprehensive
solution
order
control
pollution
demonstrated.