Journal of Hydrology Regional Studies,
Год журнала:
2023,
Номер
50, С. 101591 - 101591
Опубликована: Ноя. 25, 2023
In
many
regions
of
the
world,
lakes
are
key
significance
in
purely
environmental
terms,
but
also
through
their
relevance
for
human
life
and
socio-economics
activities.In
this
regard,
activities
among
reasons
ongoing
alteration
inland
water
bodies,
as
example
progressive
lake
quality
deterioration
due
to
over-exploiting
resources
high
pollutant
loadings.In
parts
observed
data
scarce,
thus
better
understand
processes
impacts,
monitoring
modeling
should
be
integrated.Lake
using
state-of-theart
models
can
help
hindcast
project
impacts
available
sources
(e.g.,
observed,
remote
sensing).This
special
issue
is
present
readers
a
collection
interdisciplinary
approaches
research.In
total,
7
papers
published
issue,
including
total
suspended
solids
(Chen
et
al.,
2023),
multi-approach
framework
estimate
mass
flux
at
sediment-water
interface
(Sun
Journal of Environmental Management,
Год журнала:
2025,
Номер
375, С. 124362 - 124362
Опубликована: Фев. 1, 2025
The
Caloosahatchee
Estuary
in
southwest
Florida,
USA,
is
regularly
subject
to
the
introduction
of
toxic
Microcystis
aeruginosa
blooms,
often
originating
from
eutrophic
Lake
Okeechobee
via
C-43
Canal.
focus
this
study
was
determine
responses
one
these
introduced
blooms
progressively
elevated
salinity
levels
as
bloom
water
mass
moved
through
estuary.
In
upper
estuary,
salinities
were
freshwater,
and
surface
large
colonies
M.
observed,
along
with
peak
microcystin
toxin
concentrations
up
107
μg
L-1,
all
particulate
fraction.
mid-estuary,
increased
2-6,
again
259
however,
significant
extracellular
also
observed
(i.e.,
17.8
L-1),
suggesting
a
level
osmotic
stress
on
aeruginosa.
lower
ranged
6
25
very
few
viable
but
0.5
L-1)
present
throughout
column.
It
noteworthy
that
average
total
column
+
extracellular)
remained
constant
movement
during
its
transit
revealing
negligible
rate
degradation
ten-day
transit.
results
provide
insights
into
changes
distribution
gradient,
which
has
implications
for
management
risks
ecosystem
human
health,
how
may
be
affected
by
releases
three
control
structures
Discharge
rates
play
major
roles
Canal-Caloosahatchee
ecosystem.
potential
discharge
regulation
are
discussed
perspectives
allochthonous
autochthonous
origin.
International Journal of Sediment Research,
Год журнала:
2024,
Номер
39(3), С. 375 - 385
Опубликована: Июнь 1, 2024
Water
quality
management
in
shallow
impounded
lakes
is
challenging
due
to
nutrient's
enrichment
and
algal
blooms.Lake
Hongze
a
reservoir
for
the
South-to-North
Diversion
Project's
Eastern
Route
an
essential
water
source
Jiangsu
Province,
China,
its
closely
relates
local
aquatic
ecosystem
affects
supply
security
of
surrounding
areas.The
spatial
seasonal
patterns
total
nitrogen,
phosphorus
(TP),
chlorophyll-a
(Chl-a)
lake
were
investigated
effects
floods
on
these
assessed.Hydrological
data
trophic
state
parameters
analyzed
using
7
years
monitoring
from
16
sampling
sites
throughout
lake.The
statistical
analysis
revealed
variation
characteristics
affected
by
differences
material
transport
continuity
between
inflow
outflow
boundaries.Eutrophication
assessment
level
index
Chl-a
concentrations
also
indicated
eutrophication
was
concentrated
at
southeast
side
lake.Spatial
interpolation
ordinary
kriging
method
clarified
that
existence
movement
localized
area
Lake
Hongze.The
mass
balance
calculations
TP
substantial
amount
entered
during
flood
season,
however,
most
severe
blooms
occurring
after
season.The
onset
exhibits
significant
time
lag
response
input,
primarily
influence
hydrodynamic
processes
within
season.
