International Journal of Climatology,
Journal Year:
2023,
Volume and Issue:
43(14), P. 6484 - 6504
Published: Aug. 30, 2023
Abstract
This
study
analyzes
the
long‐term
observed
changes
of
mean
(Tmean),
maximum
(Tmax)
and
minimum
(Tmin)
air
temperatures,
relative
humidity
(RH)
vapour
pressure
deficit
(VPD)
at
different
elevation
ranges
across
Bolivia
from
1950
to
2019.
The
linear
trends
in
temperature
series
present
a
significant
increase,
with
no
substantial
seasonal
or
spatial
differences.
On
an
annual
basis,
RH
exhibited
non‐significant
decrease
(−0.08%
decade
−1
),
while
VPD
showed
increase
(0.01
hPa
)
(
p
<
0.05).
Although
prior
research
has
suggested
that
highland
elevations
experience
faster
warming
than
global
average,
we
have
not
identified
distinct
correlation
between
gradients
differential
rates
Bolivia.
Future
could
investigate
elevation‐dependent
climate
by
examining
monthly
patterns
climatic
variables
relation
topographical
various
regions.
The Holocene,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 30, 2024
Schmidt-hammer
exposure-age
dating
(SHD)
was
applied
to
selected
rock
glaciers
in
the
south
central
Ben
Ohau
Range,
Southern
Alps,
New
Zealand,
expand
available
regional
data
set
following
a
previous
pilot
study.
Additional
SHD-sampling
conducted
on
high-altitudinal
moraines
at
two
locations
with
published
cosmogenic
10
Be
surface-exposure
ages
and
utilised
establish
new
SHD-age
calibration
equation.
estimates
for
total
of
eight
based
>16,000
sampled
boulders
were
analysed
chronological,
morphodynamic,
palaeoclimatic
context.
initiation
glacier
formation
indicated
by
age
their
respective
frontal
ridges
spread
between
12.1
±
1.6
7.2
0.8
ka
cluster
four
individual
features
9.3
8.6
ka.
Activity
some
commenced
immediately
after
local
deglaciation
all
are
considerably
older
than
previously
anticipated.
Successive
transverse
dated
reveal
clear
general
trend
increasing
distance
from
rooting
zone.
This
reflects
conveyor-like
transport
predominantly
stable
position
surface.
The
themselves
interpreted
as
morphological
evidence
phases
strong
morphodynamic
activity
connected
cold
periods
increased
debris
supply
climate-driven
frost
weathering.
All
investigated
show
climax
such
during
Early
Holocene.
After
c.
7.0
became
less
frequent
subsequently
rare
Late-Holocene.
These
newly
obtained
chronological
constraints
discussed
context
related
conditions
potential
complement
hitherto
limited
records
Holocene
glacial
activity.
New Phytologist,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 2, 2024
Summary
Climate
change
is
forcing
species
to
shift
their
distribution
ranges.
Animal
seed
dispersers
might
be
particularly
important
in
assisting
plants
tracking
suitable
climates
higher
elevations.
However,
this
role
still
poorly
understood
due
a
lack
of
comprehensive
multi‐guild
datasets
along
elevational
gradients.
We
compiled
dispersal
networks
for
the
five
altitudinal
vegetation
belts
Tenerife
Island
(0–3718
m
above
sea
level)
explore
how
plant
and
animal
facilitate
mutual
colonisation
uphill
habitats
under
climate
change.
The
overall
network
comprised
283
distinct
interactions
between
73
27
species,
with
offering
viable
pathways
colonise
upper
belts.
A
pivotal
played
by
lizard
as
island‐level
hub,
while
four
birds
one
introduced
mammal
(rabbit)
are
also
connectors
Eleven
were
empirically
found
actively
dispersed
elevations
beyond
current
known
range,
observed
vertical
distances
largely
surpassing
those
required
escape
Furthermore,
over
half
arriving
at
exotic.
Functionally
diverse
disperser
communities
crucial
enabling
on
mountains,
but
exotic
benefit
from
upward
lift.
International Journal of Climatology,
Journal Year:
2023,
Volume and Issue:
43(14), P. 6484 - 6504
Published: Aug. 30, 2023
Abstract
This
study
analyzes
the
long‐term
observed
changes
of
mean
(Tmean),
maximum
(Tmax)
and
minimum
(Tmin)
air
temperatures,
relative
humidity
(RH)
vapour
pressure
deficit
(VPD)
at
different
elevation
ranges
across
Bolivia
from
1950
to
2019.
The
linear
trends
in
temperature
series
present
a
significant
increase,
with
no
substantial
seasonal
or
spatial
differences.
On
an
annual
basis,
RH
exhibited
non‐significant
decrease
(−0.08%
decade
−1
),
while
VPD
showed
increase
(0.01
hPa
)
(
p
<
0.05).
Although
prior
research
has
suggested
that
highland
elevations
experience
faster
warming
than
global
average,
we
have
not
identified
distinct
correlation
between
gradients
differential
rates
Bolivia.
Future
could
investigate
elevation‐dependent
climate
by
examining
monthly
patterns
climatic
variables
relation
topographical
various
regions.
