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.
ACS Earth and Space Chemistry,
Год журнала:
2022,
Номер
6(8), С. 2104 - 2113
Опубликована: Авг. 8, 2022
Since
eutrophication
occurred
frequently
in
the
backwater
zone
of
tributaries
Three
Gorges
Reservoir
(TGR)
during
hydrological
management
dam,
biogeochemical
processes
dissolved
nitrogen
and
driving
factors
are
pressed
for
clarity.
In
this
study,
concentration
species
stratified
water
sampling
from
a
typical
tributary
TGR
was
determined,
stable
isotopes
were
used
to
quantify
influence
on
dynamics
nitrogen.
Influenced
by
heavy
rainfall
before
sampling,
average
value
total
(TDN)
river
2.23
±
0.48
mg/L,
1.6
times
seasonal
average.
Probably
due
assimilation
denitrification,
NO3––N
extremely
low
water.
The
organic
(DON,
0.84–2.87
mg/L)
dominated
composition
species.
Combined
with
H–O
optimized
mathematical
models,
surface
middle
recharged
mainstream
within
15
km
estuary,
providing
up
93.5%
DON
concentration,
while
about
77.3%
bottom
may
be
contributed
sediment
release.
abnormally
increased
proportion
TDN
increase
turnover
pressure
internal
circulation
risk
algal
bloom.
For
another
perspective,
NH4+–N
had
high
potential
health
risks
local
residents
according
estimate
hazard
quotient.
Overall,
study
reveals
that
controlled
dam
have
an
important
impact
cycle,
long-term
monitoring
damming
is
required.
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.
