Environmental Research Letters,
Journal Year:
2021,
Volume and Issue:
16(2), P. 025001 - 025001
Published: Jan. 5, 2021
Abstract
Sodium
chloride
has
long
been
used
for
winter
deicing,
although
its
legacy
use
resulted
in
rising
concentrations
urban
watersheds.
Persistently
high
levels
impair
drinking
water
resources
and
threaten
the
health
of
aquatic
life
vegetation.
In
areas,
fate
transport
is
impacted
by
human
modification
environment,
including
increased
impervious
surface
cover
disconnection
stream
corridors
from
riparian
groundwater.
We
couple
continuous
streamflow
records
with
weekly
concentration
data
over
two
years
to
create
load
estimates
at
three
locations
along
a
degraded,
upstate
New
York
contrasting
channelized
intact
reaches.
Our
results
show
that
degraded
reaches
characterized
channelized,
armored
banks
minimal
groundwater
connection
deliver
loads
closer
application
rates
surrounding
watershed.
contrast,
stream–groundwater
interactions
adjacent
floodplains,
losses
subsurface
flow
paths,
result
are
50%
less
than
those
delivered
upstream
These
findings
longitudinal
channel
can
be
valuable
identifying
timing
magnitude
sources
sinks,
which
may
common
but
apparent
environments.
Water,
Journal Year:
2023,
Volume and Issue:
15(5), P. 873 - 873
Published: Feb. 24, 2023
The
role
of
groundwater
(GW)
discharge
on
surface
water
(SW)
quantity,
quality
and
temperature
is
known
to
be
important.
Moreover,
the
effect
GW
contributions
river
thermal
budgets
critical
in
natural
rivers
considering
that
plays
a
vital
fish
survival
during
extreme
heat
events.
identification
zones
with
input
can,
thus,
help
management
plans.
However,
detecting
these
at
watershed
scale
can
challenge.
This
work
combines
infrared
(TIR)
imagery
sampling
for
radon
measurements
better
documentation
rivers.
Sainte-Marguerite
Berard
Rivers,
both
located
Quebec,
Canada,
are
their
abundance
salmonids.
Their
profiles
were
plotted
using
TIR
imagery,
five
cooling
River
two
identified
which
notable
GW–SW
exchange
was
suspected
cause.
Radon
concentrations
measured
within
showed
clear
contribution
SW.
an
effective
fast
way
identify
seepage
scale.
used
as
complementary
tracer
finer
scales.
combination
methods
shown
reliable
anticipation
effects
plans
deal
waves
predicted
occur
more
frequently
under
future
climate
change
scenarios.
Hydrological Processes,
Journal Year:
2020,
Volume and Issue:
34(15), P. 3252 - 3270
Published: April 25, 2020
Abstract
Alpine
headwaters
in
subarctic
regions
are
particularly
sensitive
to
climate
change,
yet
there
is
little
information
on
stream
thermal
regimes
these
areas
and
how
they
might
respond
global
warming.
In
this
paper,
we
characterize
compare
the
hydrological
of
two
headwater
alpine
streams
within
an
empirical
framework.
The
investigated
located
adjacent
catchments
with
similar
geology,
size,
elevation
landscape,
Granger
Creek
(GC)
Buckbrush
(BB),
which
part
Wolf
Research
Basin
Yukon
Territory,
Canada.
Hydrometeorological
high‐resolution
temperature
data
were
collected
throughout
summer
2016.
Both
sites
exhibited
a
flow
regime
typical
cold
influenced
by
frozen
ground
permafrost.
Comparatively,
GC
was
characterized
flashier
response
more
extreme
flows,
than
BB.
both
sites,
highly
variable
very
responsive
short‐term
changes
climatic
conditions.
On
average,
BB
slightly
higher
(respectively
5.8
5.7°C),
but
less
(average
difference
between
75th
25th
quantiles
1.6
2.0°C).
Regression
analysis
mean
daily
air
suggested
that
greater
relative
(to
flow)
groundwater
contribution
could
effectively
buffer
atmospheric
fluctuations.
Heat
fluxes
derived
utilized
assess
their
energy
balance.
Overall,
non‐advective
followed
pattern
correlated
short‐wave
radiation.
G1enerally,
solar
radiation
latent
heat
respectively
most
important
source
sink,
while
air–water
interface
processes
major
factors
driving
nighttime
BioScience,
Journal Year:
2020,
Volume and Issue:
70(7), P. 597 - 609
Published: May 9, 2020
Abstract
Identifying
ecosystems
resilient
to
climate
and
land-use
changes
is
recognized
as
essential
for
conservation
strategies.
However,
wetland
may
respond
differently
stressors
depending
on
their
successional
state
the
strength
of
ecohydrological
feedbacks
resulting
in
fluctuations
habitat
availability
suitability.
Long-term
suitability
necessary
persistence
wetland-dependent
species
a
key
characteristic
climatic
refugia.
In
present
article,
we
review
synthesize
biogeochemical,
thermal,
ecological,
hydrological
interactions
that
operate
within
wetlands
and,
consequently,
regulate
overwintering
many
freshwater
turtles
snakes.
We
propose
understanding
breadth
interconnected
nature
processes
controlling
temperature,
dissolved
oxygen,
water
table
position
are
vital
northern
reptile
populations
depend
survive
winter
conditions.
Finally,
suggest
our
integrated
framework
can
guide
future
research
management
an
era
unprecedented
change.
Water,
Journal Year:
2020,
Volume and Issue:
12(7), P. 1939 - 1939
Published: July 8, 2020
Understanding
the
hydrologic
and
hydrochemistry
processes
in
riparian
area
is
of
great
importance
for
managing
protecting
water
resources.
This
paper
took
a
highly
disturbed
polluted
Shaying
River
Basin
(SRB)
China
as
study
area.
In
this
research,
environmental
tracers
(hydrochemical
isotopic
data
of222Rn,
δ18O,
δD)
corresponding
models
(two-component
mixing
model
222Rn
mass
balance
model)
were
employed
to
investigate
associated
hydro-chemical
process
groundwater.
The
results
indicated
that
rivers
received
groundwater
discharge
located
at
Xihua
(J8),
Zhoukou
(Y1),
Luohe
(S2),
Shenqiu
(SY2),
extent
with
was
greater
wet
seasons
than
dry
seasons.
showed
flux
river
leakage
3.27
×
10−4
m3/(s·m)
front
sluice
while
3.50
10−3
during
sampling
period.
cation
exchange
dissolution/precipitation
aquifer
minerals
(including
calcite,
dolomite,
gypsum,
halite)
dominated
by
geochemical
processes.
untreated
sewage
fertilizer
usage
main
anthropogenic
activities
affecting
surface
Additionally,
our
found
nitrate
pollutants
derived
potential
threats
quality
lower
reaches
Jialu
county
River,
where
inputs
could
be
larger
because
higher
discharge.
Environmental Research Letters,
Journal Year:
2021,
Volume and Issue:
16(2), P. 025001 - 025001
Published: Jan. 5, 2021
Abstract
Sodium
chloride
has
long
been
used
for
winter
deicing,
although
its
legacy
use
resulted
in
rising
concentrations
urban
watersheds.
Persistently
high
levels
impair
drinking
water
resources
and
threaten
the
health
of
aquatic
life
vegetation.
In
areas,
fate
transport
is
impacted
by
human
modification
environment,
including
increased
impervious
surface
cover
disconnection
stream
corridors
from
riparian
groundwater.
We
couple
continuous
streamflow
records
with
weekly
concentration
data
over
two
years
to
create
load
estimates
at
three
locations
along
a
degraded,
upstate
New
York
contrasting
channelized
intact
reaches.
Our
results
show
that
degraded
reaches
characterized
channelized,
armored
banks
minimal
groundwater
connection
deliver
loads
closer
application
rates
surrounding
watershed.
contrast,
stream–groundwater
interactions
adjacent
floodplains,
losses
subsurface
flow
paths,
result
are
50%
less
than
those
delivered
upstream
These
findings
longitudinal
channel
can
be
valuable
identifying
timing
magnitude
sources
sinks,
which
may
common
but
apparent
environments.