Measuring and Interpreting the Surface and Shallow Subsurface Process Influences on Coastal Wetland Elevation: A Review
Estuaries and Coasts,
Journal Year:
2024,
Volume and Issue:
47(7), P. 1708 - 1734
Published: April 2, 2024
Language: Английский
Linking tidal‐creek sediment fluxes to vertical sediment accretion in a restored salt marsh
Earth Surface Processes and Landforms,
Journal Year:
2025,
Volume and Issue:
50(5)
Published: April 1, 2025
Summary
Despite
growing
interest
and
investment
in
salt‐marsh
restoration,
relatively
few
marshes
subjected
to
restoration
efforts
have
been
systematically
monitored
assess
physical
trajectory
or
success.
In
south
San
Francisco
Bay,
California,
USA,
where
83%
of
wetlands
were
lost
via
human
manipulation,
the
largest
wetland
effort
on
US
west
coast
is
currently
underway,
restoring
approximately
6000
ha
former
salt‐production
ponds
mixed
habitats.
The
Whale
Tail–Cargill
Mitigation
complex
Bay
has
a
century‐long
history
drainage,
industrial
use
as
subsequent
recovery.
Restoration
20
Cargill
Marsh
was
initiated
late
1990s
when
levee
surrounding
subsided,
pond
breached
two
locations,
enabling
conversion
back
habitat
decades.
Here,
we
present
time‐series
measurements
sediment
fluxes
primary
tidal
creek
entering
complex,
which
are
compared
decadal‐scale
sedimentation
patterns
determined
from
repeat
elevation
surveys
cores
collected
at
study
site.
All
three
methods
show
net
import
restored
marsh.
greatest
equivalent
rates
occurred
early
with
generally
decreasing
through
time.
long‐term
average,
expressed
vertical
rate,
1.8
cm
year
−1
.
Rates
data
between
1.4
2.6
,
higher
earlier
restoration.
most
recent
estimates,
computed
instrument
deployments,
indicate
seasonal
variability
import.
Annualized
lower
winter,
0.1
summer,
1.7
Although
our
measured
considerably
greater
than
current
local
relative
sea‐level
rise
(SLR)
0.3
an
increase
SLR
decrease
available
suspended
would
threaten
ability
marsh
keep
pace
avoid
drowning
future.
Language: Английский
Current Advances in Coastal Wetland Elevation Dynamics: Introduction to the Special Issue
Estuaries and Coasts,
Journal Year:
2024,
Volume and Issue:
47(7), P. 1703 - 1707
Published: Aug. 2, 2024
The
thematic
issue
entitled,
"Current
Advances
in
Coastal
Wetland
Elevation
Dynamics,"
draws
on
topics
from
two
special
sessions
at
the
CERF
2021
conference
plus
additional
recent
research
describing
scientific
insights
gained
Surface
Table–Marker
Horizon
(SET–MH)
method
and
its
application
across
globe
to
quantify
understand
subsurface
process
influences
wetland
elevation
change
responses
sea-level
rise.
findings
group
articles
within
each
of
five
topics.
(1)
A
30-year
retrospective
surface
shallow
dynamics.
(2)
Investigations
soil
elevation.
(3)
How
community
applies
SET–MH
RSLR
other
environmental
drivers
such
as
altered
hydrology
sediment
supply.
(4)
data
are
used
long-term
monitoring
networks
different
geographic
scales.
(5)
Pairing
SET-MH
with
(a)
survey
techniques
increase
lateral
coverage
trends
(b)
geodetic
measurements
vertical
land
motion.
Language: Английский