PLOS Climate,
Journal Year:
2025,
Volume and Issue:
4(1), P. e0000444 - e0000444
Published: Jan. 9, 2025
Increased
frequency
and
intensity
of
storms,
sea
level
rise,
warming
temperatures
are
affecting
forests
along
the
eastern
coast
United
States.
However,
we
lack
a
clear
understanding
how
structure
coastal
is
being
altered
by
climate
change
drivers.
Here,
used
data
from
Forest
Inventory
Analyses
program
US
Service
to
examine
biomass
in
mid-Atlantic,
Southeastern,
Gulf
coasts
US.
We
selected
plots
that
have
been
resampled
at
low
(5
m)
mid
(30–50
elevations
areas
states
Texas
New
Jersey,
allowing
us
determine
live
trees,
standing
dead
wood,
downed
wood
(and
carbon)
stocks
across
decade
county
level.
area
increased
1.9%
0.3%
elevation
counties,
respectively.
Live
tree
density
13%
16%
Standing
decreased
9.2%
2.8%
Downed
22%
counties
50%
counties.
Annualized
growth
harvest
were
both
higher
(16%
58%
respectively)
than
while
annualized
mortality
was
25%
negatively
correlated
rise
rates,
positively
number
illustrating
tradeoffs
associated
with
different
Overall,
our
results
illustrate
vulnerability
indications
complexity
rate
ecosystem
functions
(growth,
mortality,
carbon
storage)
within
greater
social
environment
(agricultural
abandonment)
may
increase.
Water Resources Research,
Journal Year:
2020,
Volume and Issue:
56(9)
Published: Aug. 28, 2020
Abstract
The
complex
dynamics
of
snow
accumulation
and
melt
processes
under
forest
canopies
entail
major
observational
modeling
challenges,
as
they
vary
strongly
in
space
time.
In
this
study,
we
present
novel
data
sets
acquired
with
mobile
multisensor
platforms
subalpine
boreal
stands.
These
include
spatially
temporally
resolved
measurements
shortwave
longwave
irradiance,
air
surface
temperatures,
wind
speed,
depth,
all
coregistered
to
canopy
structure
information.
We
then
apply
the
energy
balance
model
FSM2
obtain
concurrent,
distributed
simulations
snowpack
at
very
high
(“hyper”)
resolution
(2
m).
Our
allow
us
assess
performance
alternative
representation
strategies
within
level
individual
components
a
explicit
manner.
demonstrate
benefit
accounting
for
detailed
spatial
patterns
radiation
transfer
through
show
importance
describing
attenuation
by
using
stand‐scale
metrics.
With
proposed
representation,
snowmelt
discontinuous
stands
were
successfully
reproduced.
Hyper‐resolution
resolving
these
effects
provide
an
optimal
basis
assessing
snow‐hydrological
impacts
disturbances
validating
improving
land
models
intended
coarser‐scale
applications.
Journal of Geophysical Research Atmospheres,
Journal Year:
2020,
Volume and Issue:
125(14)
Published: June 15, 2020
Abstract
Variable‐resolution
global
climate
models
(VRGCMs)
are
a
dynamical
downscaling
method
that
can
reach
spatiotemporal
scales
needed
for
regional
assessments.
Over
the
years,
several
users
of
VRGCMs
have
assumed
where
location
and
extent
refinement
domain
should
be
based
on
knowledge
prevailing
storm
tracks
resolution
dependence
important
processes
(e.g.,
atmospheric
rivers
[ARs]
orographic
uplift),
but
effect
high‐resolution
size
simulation
downstream
hydroclimatic
phenomena
has
not
been
systematically
evaluated.
Here,
we
use
variable
in
Community
Earth
System
Model
(VR‐CESM)
to
perform
such
test.
To
do
this,
three
VR‐CESM
grids
were
generated
span
entire,
two
thirds,
one
third
North
Pacific
evaluated
30‐year
climatology
using
Atmospheric
Intercomparison
Project
protocols.
Simulations
compared
with
reanalysis
products
offshore
(fifth‐generation
European
Centre
Medium‐Range
Weather
Forecasts
[ERA5])
onshore
(Livneh,
2015,
https://doi.org/10.1038/sdata.2015.42
,
Parameter‐elevation
Regressions
Independent
Slopes
[PRISM])
western
United
States.
The
westward
expansion
influenced
integrated
vapor
transport
(IVT),
which
was
generally
high
biased
minimally
impacted
AR
characteristics.
Due
slight
differences
landfalling
counts
States,
California
winter
precipitation
improved
domain.
Western
U.S.
mountain
snowpack
surface
temperatures
insensitive
more
by
changes
topographic
and/or
land
model
version.
Given
minimal
simulated
hydroclimate
over
Pacific,
advise
future
studies
focus
grid
better
resolving
heterogeneity.
Journal of Geophysical Research Biogeosciences,
Journal Year:
2021,
Volume and Issue:
126(9)
Published: Aug. 17, 2021
Abstract
Many
of
the
world's
rivers
are
ice‐covered
during
winter
months
but
increasing
evidence
indicates
that
extent
river
ice
will
shift
substantially
as
winters
warm.
However,
our
knowledge
lags
far
behind
growing
season,
limiting
understanding
how
loss
affect
rivers.
Physical,
chemical,
and
biological
processes
change
from
headwaters
to
large
rivers;
thus,
we
expect
resulting
effects
on
ecology
could
also
vary
with
size,
a
result
associated
changes
in
geomorphology,
temperature
regimes,
connectivity.
To
conceptualize
these
relationships,
review
typically
disparate
literature
compare
what
is
known
smallest
largest
In
doing
so,
show
ability
link
across
networks
made
difficult
by
primary
focus
larger
lack
study
ecosystem
winter.
address
some
gaps,
provide
new
scenarios
analyses
annual
importance
gross
productivity
(GPP)
varies
size.
We
projected
varied
large‐scale
watershed
characteristics
such
north‐south
orientation
GPP
was
greatest
Finally,
highlight
information
needed
fill
gaps
improve
may
climate
regimes
shift.
Natural hazards and earth system sciences,
Journal Year:
2022,
Volume and Issue:
22(3), P. 869 - 890
Published: March 16, 2022
Abstract.
Snow
droughts
are
commonly
defined
as
below-average
snowpack
at
a
point
in
time,
typically
1
April
the
western
United
States
(wUS).
This
definition
is
valuable
for
interpreting
state
of
but
obscures
temporal
evolution
snow
drought.
Borrowing
from
dynamical
systems
theory,
we
applied
phase
diagrams
to
visually
examine
daily
water
equivalent
(SWE)
and
accumulated
precipitation
conditions
maritime,
intermountain,
continental
climates
wUS
using
station
observations
well
spatially
distributed
estimates
SWE
precipitation.
Using
percentile-based
drought
definition,
highlighted
decision-relevant
aspects
such
onset,
evolution,
termination.
The
diagram
approach
can
be
used
tandem
with
reveal
variability
type
extent.
When
combined
streamflow
or
other
environmental
data,
spatial
help
inform
monitoring
early
warning
link
impacts
on
ecosystems,
resources,
recreation.
A
web
tool
introduced
allowing
users
create
real-time
historic
diagrams.
Environmental Research Letters,
Journal Year:
2022,
Volume and Issue:
17(10), P. 104044 - 104044
Published: Oct. 1, 2022
Abstract
Winters
in
snow-covered
regions
have
warmed,
likely
shifting
the
timing
and
magnitude
of
nutrient
export,
leading
to
unquantified
changes
water
quality.
Intermittent,
seasonal,
permanent
snow
covers
more
than
half
global
land
surface.
Warming
has
reduced
cold
conditions
that
limit
winter
runoff
transport,
while
season
snowmelt,
amount
precipitation
falling
as
rain,
rain-on-snow
increased.
We
used
existing
geospatial
datasets
(rain-on-snow
frequency
overlain
on
nitrogen
phosphorous
inventories)
identify
areas
contiguous
United
States
(US)
where
quality
could
be
threatened
by
this
change.
Next,
illustrate
potential
export
impacts
these
events,
we
examined
flow
turbidity
data
from
a
large
regional
event
States’
largest
river
basin,
Mississippi
River
Basin.
show
rain-on-snow,
major
flood-generating
mechanism
for
globe
(Berghuijs
et
al
2019
Water
Resour.
Res.
55
4582–93;
Berghuijs
2016
Geophys.
Lett.
43
4382–90),
affects
53%
US
puts
50%
phosphorus
pools
(43%
US)
at
risk
groundwater
surface
water.
Further,
Basin
demonstrates
events
large,
cascading
transport.
suggest
assumption
low
wintertime
discharge
transport
historically
no
longer
holds.
Critically,
however,
lack
sufficient
accurately
measure
predict
episodic
potentially
continental
scales.
Hydrology and earth system sciences,
Journal Year:
2020,
Volume and Issue:
24(11), P. 5317 - 5328
Published: Nov. 14, 2020
Abstract.
Water
management
throughout
the
western
United
States
largely
relies
on
partitioning
of
cool
season
mountain
precipitation
into
rain
and
snow,
particularly
snow
as
it
maximizes
available
water
for
warm
use.
Recent
studies
indicate
a
shift
toward
increased
falling
rain,
which
is
consistent
with
warming
climate.
An
approach
presented
to
estimate
precipitation-phase
across
landscapes
from
1948
present
by
combining
fine-scale
gridded
data
coarse-scale
freezing
level
an
atmospheric
reanalysis.
A
marriage
these
sets
allows
new
spatial
patterns
trends
in
over
elevational
latitudinal
gradients
major
supply
basins.
This
product
used
California
diagnostic
indicator
changing
phase
watersheds.
Results
show
largest
increases
during
past
70
years
lower
elevation
watersheds
located
within
climatological
rain–snow
transition
regions
northern
spring.
Further
development
can
inform
adaptive
strategy
implementation
face
Northeastern Naturalist,
Journal Year:
2022,
Volume and Issue:
28(sp11)
Published: Feb. 2, 2022
Winters
in
northeastern
North
America
have
warmed
faster
than
summers,
with
impacts
on
ecosystems
and
society.
Global
climate
models
(GCMs)
indicate
that
winters
will
continue
to
warm
lose
snow
the
future,
but
uncertainty
remains
regarding
magnitude
of
warming.
Here,
we
project
future
trends
winter
indicators
under
lower
higher
climate-warming
scenarios
based
emission
levels
across
at
a
fine
spatial
scale
(1/16°)
relevant
climate-related
decision
making.
Under
both
scenarios,
coincident
increases
days
above
freezing,
decreases
cover,
fewer
nights
below
freezing.
Deep
snowpacks
become
increasingly
short-lived,
decreasing
from
historical
baseline
2
months
subnivium
habitat
<1
month
warmer,
higher-emissions
scenario.
Warmer
temperatures
allow
invasive
pests
such
as
Adelges
tsugae
(Hemlock
Woolly
Adelgid)
Dendroctonus
frontalis
(Southern
Pine
Beetle)
expand
their
range
northward
due
reduced
overwinter
mortality.
The
elevations
remain
more
resilient
warming
compared
southerly
coastal
regions.
Decreases
natural
snowpack
warmer
point
toward
need
for
adaptation
mitigation
multi-million-dollar
winter-recreation
forest-management
economies.
Hydrological Processes,
Journal Year:
2022,
Volume and Issue:
36(6)
Published: May 30, 2022
Abstract
In
forested
watersheds,
climate
change
may
have
substantial
implications
for
both
ecological
and
hydrological
processes
by
altering
the
snow
vegetation
seasonal
dynamics.
However,
to
date,
there
been
few
studies
which
systematically
analysed
their
combined
effects
on
streamflow
behaviour
at
watershed
scale.
Using
long‐term
remote‐sensed
data
snowpack
measurements,
we
characterized
patterns
in
timings
of
green‐up/senescence
subsequent
growing
season
length,
as
well
development/disappearance
duration.
We
further
investigated
correlations
phenological
variations
with
cumulative
percentiles
daily
over
two
transition
periods:
vernal
(between
snowmelt
green‐up)
autumnal
senescence
development)
windows.
found
significantly
lengthened
~30
days
last
four
decades
study
watershed,
driven
earlier
green‐up
later
senescence.
The
snowfall
decreased
~2.4
cm,
duration
has
shortened
~25
days,
mostly
disappearance.
While
were
no
significant
changes
lengths
windows,
normalized
distributions
window
widened
low‐frequency
peak
flow
shifted
period.
Interestingly,
although
disappearance
timing
advanced
~18
was
evidence
spring
discharge.
Our
results
suggest
that
decreases
winter
duration,
impacts
dynamics
regimes
windows
weakened.
Meanwhile,
are
more
closely
mediated
time.
This
emphasizes
importance
understanding
responses
prediction
future
watersheds.
Proceedings of the National Academy of Sciences,
Journal Year:
2022,
Volume and Issue:
119(18)
Published: April 27, 2022
Significance
The
reduction
of
freeze
exposure
with
winter
warming
has
consequences
for
carbon
sequestration
by
northern
forests.
Quantifying
the
impact
these
changes
on
tree
growth
is,
however,
challenging
because
among-
and
within-tree
species
variability
in
tolerance
phenological
cues.
Here,
we
provide
a
comprehensive
assessment
response
to
cold-season
frequency
days
using
an
extensive
tree-ring
dataset
covering
Canada’s
Our
study
shows
that
responses
vary
direction
magnitude
clade
but
also
leaf-out
strategy,
age
size,
environmental
factors.
Such
quantification
can
help
predict
terrestrial
dynamics
under
climate
change.
Ticks and Tick-borne Diseases,
Journal Year:
2023,
Volume and Issue:
15(1), P. 102286 - 102286
Published: Nov. 27, 2023
Ixodes
scapularis
(the
blacklegged
tick)
is
widely
distributed
in
forested
areas
across
the
eastern
United
States.
The
public
health
impact
of
I.
greatest
north,
where
nymphal
stage
ticks
commonly
bite
humans
and
serve
as
primary
vectors
for
multiple
human
pathogens.
There
were
dramatic
increases
tick's
distribution
abundance
over
last
half-century
northern
part
US,
climate
warming
mentioned
a
driver
these
changes.
In
this
review,
we
summarize
evidence
observed
spread
proliferation
being
driven
by
warming.
Although
laboratory
small-scale
field
studies
have
provided
insights
into
how
temperature
humidity
survival
reproduction
scapularis,
using
associations
to
predict
broad-scale
patterns
more
challenging.
Numerous
efforts
been
undertaken
model
at
state,
regional,
global
scales
based
on
landscape
variables,
but
outcomes
ambiguous.
Across
models,
functional
relationships
between
seasonal
or
annual
measures
heat,
cold,
precipitation,
tick
presence
inconsistent.
contribution
relative
variables
was
poorly
defined.
Over
half-century,
occurred
parallel
with
population
increase
white-tailed
deer,
most
important
reproductive
host
adults,
US.
strong
deer
playing
key
role
facilitate
US
century.
However,
due
lack
spatially
temporally
congruent
data,
climate,
landscape,
are
rarely
included
same
thus
limiting
ability
evaluate
their
contributions
interactions
defining
geographic
range
ticks.
We
conclude
that
change
expansion
remains
uncertain.