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 & Technology,
Journal Year:
2017,
Volume and Issue:
51(12), P. 6699 - 6708
Published: June 1, 2017
Elevated
atmospheric
nitrogen
(N)
deposition
has
significantly
influenced
aquatic
ecosystems,
especially
with
regard
to
their
N
budgets
and
phytoplankton
growth
potentials.
Compared
a
considerable
number
of
studies
on
oligotrophic
lakes
oceanic
waters,
little
evidence
for
the
importance
been
generated
eutrophic
lakes,
even
though
emphasis
placed
reducing
external
inputs
control
eutrophication
in
these
lakes.
Our
high-resolution
observations
depositions
riverine
biologically
reactive
species
into
Lake
Dianchi
(the
sixth
largest
freshwater
lake
China)
shed
new
light
onto
contribution
total
loads.
Annual
accounted
15.7%
16.6%
loads
under
variable
precipitation
conditions,
2-fold
higher
than
previous
estimates
(7.6%)
Dianchi.
The
proportion
further
increased
27-48%
May
June
when
toxic
blooms
ubiquitous
non-N2
fixing
cyanobacteria
Microcystis
spp.
are
initiated
proliferate.
reveal
that
reduced
(59%)
contributes
greater
amount
oxidized
deposition,
reaching
56-83%
from
late
spring
summer.
Progress
toward
mitigating
other
bloom-impacted
will
be
difficult
without
reductions
ammonia
emissions
subsequent
deposition.
