Estuarine Coastal and Shelf Science,
Год журнала:
2021,
Номер
255, С. 107352 - 107352
Опубликована: Апрель 20, 2021
Land-use
types
and
related
intensities
are
often
associated
with
pressures
disturbances
on
estuarine
environmental
values
ecosystem
services
provided
by
water.
Although
varied
legal
frameworks
across
countries,
broadly,
spatial
planning
has
been
expected
to
contribute
the
protection
of
environmentally
sensitive
areas,
such
as
estuaries.
Among
various
tools
plan's
land-use
control
rules.
This
article
studies
incorporation
water-related
terms
in
regulations
municipal
master
plans
assess
if
rules
established
areas
significantly
different
from
others,
upstream
areas.
It
does
so
developing
a
content
analysis
set
plans'
located
two
river
basins
Mainland
Portugal.
The
results
show
greater
Moreover,
they
diversity
topics,
types,
focus
whereas
regulatory
approaches
look
poorer.
is
globally
higher
younger
plans,
certain
extent,
more
artificialized
dense
territories,
clear
distinctiveness
concerns
remains
visible.
Surprisingly,
bring
fore
fragilities
worthy
attention
future
studies.
methodology
used
for
disclosed
valuable
path
research
it
easily
expandable
take
into
consideration
land-uses
or
be
applied
regions,
further
refine
distinctive
features
explicitly
other
water
problems.
Scientific Reports,
Год журнала:
2024,
Номер
14(1)
Опубликована: Фев. 26, 2024
Abstract
Agricultural
intensification
and
urban
sprawl
have
led
to
significant
alterations
in
riverscapes,
one
of
the
critical
consequences
is
deterioration
water
quality
with
implications
for
public
health.
Therefore,
objectives
this
study
were
assessment
Suquía
River,
LULC
change
at
different
spatial
scales,
analysis
potential
seasonal
correlation
among
Water
Quality
Index
(WQI).
The
Sample
Sites
(SS)
1
2
before
Cordoba
city
had
highest
WQI
values
while
from
SS3
decreased,
lowest
close
wastewater
treatment
plant
(SS7)
after
city.
From
SS8
a
agricultural
context,
increases
but
does
not
reach
original
values.
In
light
carried
out,
between
variables
classes
local
regional
scales
demonstrated
that
negatively
affected
by
activities,
natural
impacted
positively.
spatialization
results
can
help
strongly
assessing
managing
diffusion
point
non-point
pollution
along
riverscape.
knowledge
gained
research
play
crucial
role
resources
management,
which
supports
provision
river
ecosystem
services
essential
well-being
populations.
Environmental Science & Technology,
Год журнала:
2021,
Номер
55(16), С. 10928 - 10934
Опубликована: Авг. 3, 2021
Cyanobacteria
populate
most
water
environments,
and
their
ability
to
effectively
exploit
light
nutrients
provide
them
with
a
competitive
advantage
over
other
life
forms.
In
particular
conditions,
cyanobacteria
may
experience
considerable
growth
give
rise
the
so-called
harmful
algal
blooms
(HABs).
HABs
are
often
characterized
by
production
of
cyanotoxins,
which
cause
adverse
effects
both
aquatic
organisms
humans
even
threaten
drinking
supplies.
The
concentration
cyanotoxins
in
surface
waters
results
from
budget
between
transformation,
including
photodegradation
under
sunlight
exposure.
Climate
change
will
likely
favorable
conditions
for
HABs,
expected
increase
frequency
space
time.
Moreover,
climate
could
modify
some
induce
phototransformation
reactions.
Photochemical
modeling
is
here
carried
out
two
known
photoreaction
kinetics
(microcystin-LR
cylindrospermopsin),
follow
different
pathways
freshwater
scenarios
(summertime
stratification
lakes,
browning,
evaporative
concentration).
On
this
basis,
it
possible
quantitatively
predict
that
changes
water-column
changing
would
enhance
those
significantly
transformed
reaction
triplet
states
chromophoric
dissolved
organic
matter
(3CDOM*).
This
be
case
microcystin-LR,
faster
environments
at
least
partially
offset
enhanced
occurrence.
Unfortunately,
very
few
data
currently
available
role
3CDOM*
degradation
major
knowledge
gap
understanding
link
cyanotoxin
climate.
Frontiers in Marine Science,
Год журнала:
2021,
Номер
8
Опубликована: Окт. 20, 2021
We
introduce
for
the
first
time
a
new
product
line
able
to
make
high
accuracy
measurements
of
number
water
chemistry
parameters
in
situ
:
i.e.,
submerged
environment
including
deep
sea
(to
6,000
m).
This
is
based
on
developments
lab
chip
technology
at
National
Oceanography
Centre
(NOC),
and
University
Southampton
produced
under
license
by
Clearwater
Sensors
Ltd.,
start-up
industrial
partner
bringing
this
global
availability
further
developing
its
potential.
The
has
already
been
deployed
NOC,
with
their
partners
worldwide
over
200
times
depths
∼4,800
m,
turbid
estuaries
rivers,
up
year
seasonally
ice-covered
regions
arctic.
capable
making
accurate
determinations
chemical
biological
that
require
reagents
which
produce
an
electrical,
absorbance,
fluorescence,
or
luminescence
signal.
As
such
it
suitable
wide
range
environmental
measurements.
Whilst
are
development
across
partnership,
Nitrate,
Nitrite,
Phosphate,
Silicate,
Iron,
pH
sensors
currently
available
commercially.
Theses
use
microfluidics
optics
combined
optofluidic
electromechanical
valves
pumps
mounted
upon
mix
samples
measure
optical
response.
An
overview
underlying
components
technologies
given
together
examples
deployments
integrations
observing
platforms
as
gliders,
autonomous
underwater
vehicles
moorings.
