PLOS Water,
Journal Year:
2024,
Volume and Issue:
3(8), P. e0000278 - e0000278
Published: Aug. 19, 2024
With
escalating
global
water
scarcity
and
increasing
pressures
on
freshwater
resources,
demand-side
management
has
emerged
as
a
crucial
tool
for
sustainable
resource
management.
This
paper
reviews
residential,
strategies,
focusing
primarily
price
mechanisms.
We
trace
the
evolution
of
structures
attempts
to
estimate
consumer
responses
under
these
structures,
highlighting
methodological
practical
difficulties
with
estimating
elasticity
non-linear
billing
structures.
also
include
tertiary
review
previous
research
into
non-pecuniary
such
restrictions,
information/education
campaigns.
serves
primer
policymakers,
managers,
researchers
seeking
design
evaluate
in
residential
use.
Frontiers in Ecology and Evolution,
Journal Year:
2024,
Volume and Issue:
12
Published: Feb. 13, 2024
Large
dam
removal
can
trigger
changes
to
physical
and
biological
processes
that
influence
vegetation
dynamics
in
former
reservoirs,
along
river
corridors
downstream
of
dams,
at
a
river’s
terminus
deltas
estuaries.
We
present
the
first
comprehensive
review
response
major
fluvial
disturbance
caused
by
world’s
largest
removal.
After
being
place
for
nearly
century,
two
large
dams
were
removed
Elwha
River,
Washington,
USA,
between
2011
2014.
The
exposure,
erosion,
transport,
deposition
volumes
sediment
wood
impounded
behind
created
new
surfaces
where
plant
colonization
growth
have
occurred.
In
exposed
~290
ha
unvegetated
distributed
on
three
main
landforms:
valley
walls,
high
terraces,
dynamic
floodplains.
addition
natural
revegetation
weed
control
seeding
planting
desirable
plants
influenced
trajectories.
early
years
following
removal,
~20.5
Mt
trapped
eroded
from
reservoirs
transported
downstream.
This
pulse,
combination
with
transport
wood,
led
channel
widening,
an
increase
gravel
bars,
floodplain
deposition.
primary
responses
corridor
reduction
vegetated
area
associated
establishment
increased
hydrochory,
altered
community
composition
bars
Plant
species
diversity
some
segments.
delta,
creation
~26.8
land
distribution
intertidal
water
bodies.
Vegetation
colonized
~16.4
surfaces:
mixed
pioneer
supratidal
beach,
mouth
emergent
marsh
aquatic
habitats.
sediment-dominated
opportunities
growth,
such
as
restored
hydrochory
anadromous
fish
passage
delivery
marine-derived
nutrients
may
over
time.
Rapid
landforms
related
pulse
rate
change
is
expected
attenuate
system
adjusts
flow
regimes.
Hydrological Processes,
Journal Year:
2025,
Volume and Issue:
39(1)
Published: Jan. 1, 2025
ABSTRACT
Monitoring
river
connectivity
across
large
regions
is
essential
for
understanding
hydrological
processes
and
environmental
management.
However,
comprehensive
assessments
of
are
often
hindered
by
inaccurate
dam
databases,
which
biased
towards
larger
dams
while
overlooking
smaller
or
low‐head
dams.
To
enhance
the
accuracy
assessments,
we
developed
three
advanced
convolutional
neural
networks
(CNNs;
YOLOv5,
Advance‐You
Only
Look
Once
[YOLO],
Faster
R‐CNN)
to
accurately
classify
evaluate
using
high‐resolution
(1
m)
remote
sensing
imagery.
The
evaluation
results
showed
that
Advance‐YOLO
performs
best
with
an
average
mean
precision
(mAP)
86.6%,
R‐CNN
mediocrely
mAP
77.9%.
Applying
well‐trained
model
in
Tarim
River
Basin
(China),
one
largest
inland
basins
around
globe,
found
there
currently
135
total
on
its
sources.
Conversely,
existing
public
database
underestimates
85.9%
Notably,
a
14.3%
decline
over
past
decade,
current
density
four
source
rivers
1.12
per
10
000
km
2
.
overestimated
83.9%.
here
enhances
assessment
areas
long
period,
thereby
fostering
more
research
effective
water
resource
Water Resources Research,
Journal Year:
2025,
Volume and Issue:
61(3)
Published: March 1, 2025
Abstract
Continuous,
high‐resolution
data
for
characterizing
freshwater
habitat
conditions
can
support
successful
management
of
endangered
salmonids.
Uncrewed
aircraft
systems
(UAS)
make
acquiring
such
fine‐scale
along
river
channels
more
feasible,
but
workflows
quantifying
reach‐scale
salmon
habitats
are
lacking.
We
evaluated
the
potential
UAS‐based
mapping
hydraulic
using
spectrally
based
depth
retrieval
and
particle
image
velocimetry
(PIV)
by
comparing
these
methods
to
a
well‐established
flow
modeling
approach.
Our
results
indicated
that
estimates
water
depth,
depth‐averaged
velocity,
direction
derived
via
remote
sensing
techniques
were
comparable
in
good
agreement
with
field
measurements.
Predictions
spring‐run
Chinook
(
Oncorhynchus
tshawytscha
)
juvenile
rearing
produced
from
PIV
model
output
similar,
small
errors
relative
direct
observations.
Estimates
heterogeneity
on
kinetic
energy
gradients
generally
consistent
between
modeling,
measurements
larger.
sensitive
velocity
index
used
convert
surface
velocities
velocities.
Sun
glint
precluded
analysis
margins
some
images
large
degree
overlap
frames
was
thus
required
obtain
continuous
coverage
reach.
Similarly,
shadows
cast
riparian
vegetation
caused
gaps
bathymetric
maps.
Despite
limitations,
our
suggest
sites
sufficient
texture,
provide
detailed
information
at
reach
scale,
accuracies
traditional
multidimensional
modeling.
Earth and Space Science,
Journal Year:
2024,
Volume and Issue:
11(7)
Published: July 1, 2024
Abstract
In
a
warming
climate,
an
intensifying
fire
regime
and
higher
likelihood
of
extreme
rain
are
expected
to
increase
watershed
sediment
yield
in
many
regions.
Understanding
regional
variability
landscape
response
post‐fire
rainfall
is
essential
for
managing
water
resources
infrastructure.
We
measured
resulting
from
sequential
wildfire
flooding
the
upper
Carmel
River
(116
km
2
),
on
central
California
coast,
USA,
using
changes
volume
mapped
reservoir.
determined
that
after
was
854–1,100
t/km
/yr,
factor
3.5–4.6
greater
than
long‐term
this
more
order
magnitude
during
severe
drought
conditions.
first
large‐scale
field
validation
test
WEPPcloud/
wepppy
framework
Water
Erosion
Prediction
Project
(WEPP)
model
burned
landscape,
WEPP
predicted
81%–106%
yield.
These
findings
will
facilitate
assessing
predicting
future
effects
steep
watersheds
with
Mediterranean
climate
indicate
increasingly
widespread
use
appropriate
evaluating
hillslope
erosion
even
across
100‐km
scales
under
conditions
without
debris
flows.
Earth Surface Processes and Landforms,
Journal Year:
2024,
Volume and Issue:
49(9), P. 2690 - 2703
Published: May 6, 2024
Abstract
Sediment
management
is
an
important
aspect
of
dam
removal
projects,
often
driving
costs
and
influencing
community
acceptance.
For
dams
storing
uncontaminated
sediments,
downstream
release
the
cheapest
most
practical
approach
can
be
ecologically
beneficial
to
areas
deprived
sediment
for
years.
To
employ
this
option,
project
proponents
must
estimate
quantity
released
and,
if
substantial,
how
long
it
will
take
erode,
where
go
stay
there.
We
investigated
these
issues
when
Bloede
Dam
was
removed
from
Patapsco
River
in
Maryland,
USA,
2018.
The
about
10
m
high,
its
impoundment
nearly
filled
with
estimated
186
600
3
composed
70%
sand
30%
mud.
After
removal,
using
elevation
surveys
generated
by
traditional
methods
as
well
structure‐from‐motion
(SfM)
photogrammetry
at
high
temporal
resolution,
we
documented
rapid
erosion
stored
sediments
first
6
months
(~60%)
followed
greatly
reduced
rates
next
two
a
half
A
stable
channel
developed
during
phase.
These
results
were
predicted
two‐phased
response
model
observations
sand‐filled
impoundments,
thus
expanding
applicability
include
impoundments
sand‐over‐mud
stratigraphy.
similar
two‐phase
has
been
reported
releases
other
removals
United
States,
France
Japan
across
range
watershed
scales,
indicating
what
practitioners
communities
should
expect
settings.
Downstream,
repeat
combined
discharge
gaging
showed
transport
eroded
through
5‐km
reach,
especially
year
discharges
above
normal,
little
overbank
storage.
