Journal of Environmental Management,
Год журнала:
2025,
Номер
381, С. 125291 - 125291
Опубликована: Апрель 10, 2025
Effective
management
of
harmful
algal
blooms
(HABs)
in
dam
reservoirs
is
crucial
for
water
resource
sustainability,
particularly
monsoon
climates,
such
as
South
Korea,
where
approximately
55
%
the
domestic
supply
depends
on
these
reservoirs.
To
address
critical
need
accurate
HABs
prediction,
an
innovative
three-dimensional
hydrodynamic
and
quality
model
that
integrates
turbidity
with
traditional
nutrient-based
approaches
was
developed.
This
study
focused
Daecheong
Reservoir
Geum
River
Basin,
simulating
density
currents
turbid
during
rainfall
events,
quantifying
their
impact
(Chl-a)
concentrations.
The
results
revealed
turbidity-induced
light
limitation
significantly
reduced
Chl-a
concentrations
by
44-58
across
reservoir,
effects
intensifying
from
riverine
transitioning
to
lacustrine
zones.
improved
extinction
coefficient
estimations
incorporating
multiple
parameters,
including
suspended
solids,
outperformed
conventional
single-parameter
Secchi
depth
approach.
integrated
modeling
approach
prediction
accuracy
51-70
(RMSE-ERR,
Root
Mean
Square
Error-Error
Reduction
Rate)
52-67
(MAPE-ERR,
Absolute
Percentage
when
compared
nutrient-only
models,
while
also
seasonal
variations
turbidity-nutrient
interactions
events.
These
findings
demonstrate
nutrient-focused
strategies
are
insufficient,
they
overlook
role
growth
monsoon-affected
novel
advocates
comprehensive
considers
interactions,
thereby
contributing
more
effective
sustainable
practices
under
changing
climatic
conditions.
Environmental Modelling & Software,
Год журнала:
2018,
Номер
109, С. 93 - 103
Опубликована: Авг. 18, 2018
Cyanobacterial
harmful
algal
blooms
(cyanoHAB)
cause
human
and
ecological
health
problems
in
lakes
worldwide.
The
timely
distribution
of
satellite-derived
cyanoHAB
data
is
necessary
for
adaptive
water
quality
management
targeted
deployment
monitoring
resources.
Software
platforms
that
permit
timely,
useful,
cost-effective
delivery
information
from
satellites
are
required
to
help
managers
respond
cyanoHABs.
Cyanobacteria
Assessment
Network
(CyAN)
mobile
device
application
(app)
uses
the
European
Space
Agency
Copernicus
Sentinel-3
satellite
Ocean
Land
Colour
Instrument
(OLCI)
near
real-time
make
initial
assessments
quickly
alert
potential
emerging
threats
related
cyanobacteria.
App
functionality
were
validated
with
25
state
advisories
issued
2017.
CyAN
app
provides
a
user-friendly
platform
reduces
complexities
associated
accessing
allow
fast,
efficient,
across
lakes.
The Science of The Total Environment,
Год журнала:
2020,
Номер
748, С. 141366 - 141366
Опубликована: Авг. 6, 2020
The
thermal
structure
in
reservoirs
affects
the
development
of
aquatic
ecosystems,
and
can
be
substantially
influenced
by
climate
change
management
strategies.
We
applied
a
two-dimensional
hydrodynamic
model
to
explore
response
Germany's
largest
drinking
water
reservoir,
Rappbode
Reservoir,
future
projections
different
withdrawal
used
for
representative
concentration
pathways
(RCP)
2.6,
6.0
8.5
from
an
ensemble
4
global
models.
Simulation
results
showed
that
epilimnetic
temperatures
reservoir
strongly
increased
under
all
three
scenarios.
Hypolimnetic
remained
rather
constant
RCP
2.6
but
markedly
8.5.
Under
intense
warming
8.5,
hypolimnion
were
projected
rise
5
°C
8
end
century.
Stratification
was
more
stable
did
not
show
significant
changes
2.6.
Similar
found
with
respect
light
intensity
within
mixed-layer.
Moreover,
suggested
surface
effective
adaptation
strategy
strong
(RCP
8.5)
reduce
avoid
hypolimnetic
warming.
This
study
documents
how
scale
translated
into
site-specific
impacts
derive
strategies
operation.
our
illustrate
most
scenario,
i.e.
demands
far-reaching
while
mitigation
scenario
2.6)
does
require
before
2100.
Frontiers in Environmental Science,
Год журнала:
2021,
Номер
9
Опубликована: Июнь 11, 2021
Wildfires
are
an
increasing
threat
in
the
Mediterranean
region,
causing
frequent
losses
of
goods
and
human
lives.
Not
only
wildfires
a
concern
due
to
their
immediate
effects
on
vegetation
soil,
but
they
can
also
have
substantial
impacts
surface
water
quality.
Approximately
one-third
world’s
largest
cities
obtain
drinking
from
forest
catchments.
The
removal
consequent
runoff
increase
with
high
concentration
ash
sediment
often
leads
increased
nutrient
contaminant
loads
downstream
reservoirs,
damaging
aquatic
ecosystem
threatening
health.
This
study
focused
post-fire
degradation
Castelo
de
Bode
reservoir,
strategic
freshwater
supply
for
Lisbon’s
metropolitan
area
(2,000,000
inhabitants),
Portugal.
Output
data
catchment
model
Soil
Water
Assessment
Tool
were
used
as
inputs
CE-QUAL-W2
reservoir
model.
was
then
calibrated
level,
temperature,
nutrients,
total
suspended
solids,
chlorophyll-a,
dissolved
oxygen.
assessed
by
adjusting
land
use
features
(curve
number,
crop
management
factor),
soil
properties
(soil
erodibility)
model,
considering
different
fire
(low,
medium,
severity).
able
perform
temperature
seasonality
stratification
while
weak
performance
found
chlorophyll-a
probably
having
considered
group
algae.
Simulations
showed
deterioration
quality
at
dam
wall
during
first
year
after
fire.
Nevertheless,
contamination
did
not
appear
worrisome
regards
standards
likely
capability
attenuate
inflow
concentrations.
