Climate,
Год журнала:
2022,
Номер
10(2), С. 12 - 12
Опубликована: Янв. 18, 2022
Precipitation
is
one
of
the
most
variable
climatic
parameters,
as
it
determined
by
many
physical
processes.
The
spatiotemporal
characteristics
precipitation
have
been
significantly
affected
climate
change
during
past
decades.
Analysis
trends
challenging,
especially
in
regions
such
Greece,
which
characterized
complex
topography
and
includes
several
ungauged
areas.
With
this
study,
we
aim
to
shed
new
light
on
inter-annual
over
Greece.
For
purpose,
used
ERA5
monthly
data
from
1950
2020
estimate
annual
Theil–Sen
Mann–Kendall
significance
Greece
surrounding
Additionally,
order
analyze
model
nonlinear
relationships
time
series,
generalized
additive
models
(GAMs).
results
indicated
significant
declining
areal
study
area.
Declining
were
more
pronounced
winter
western
eastern
but
spring,
summer
autumn
mostly
not
significant.
GAMs
showcased
that
generally
nonlinearity
area
presented
high
inter-decadal
variability.
Combining
results,
concluded
did
linearly
7
decades,
first
increased
1950s
late
1960s,
consequently
decreased
until
early
1990s
and,
afterwards,
an
increase
with
a
smaller
rate
than
1950–1960s.
Water,
Год журнала:
2018,
Номер
10(5), С. 580 - 580
Опубликована: Апрель 29, 2018
The
study
evaluated
the
effect
of
environmental
conditions
and
morphometric
parameters
on
lake
water
temperature
changes.
analysis
was
carried
out
basis
14
lakes
located
in
northern
Poland.
assessment
based
daily
air
temperatures
from
1972
to
2016.
It
took
into
account
location
(latitude,
longitude,
altitude)
(surface
area,
maximum
mean
depth,
volume),
hydrological
processes
(rate
exchange,
course
ice
phenomena),
trophic
status
(water
transparency)
as
factors
that
can
modify
Direction
rate
changes
were
analysed
by
means
Mann–Kendall’s
Sen’s
tests.
Cluster
(CA)
applied
group
characterised
similar
climatic
non-climatic
a
lake’s
assessed
principal
component
(PCA).
Water
years
1972–2016
higher
increase
0.43
°C·dec−1
than
decrease
0.34
°C·dec−1.
showed
faster
heating
waters
western
This
be
explained
shorter
duration
cover.
Moreover,
affected
other
factors,
including
lakes,
their
parameters,
wind
speed,
transparency
exchange
time.
The Science of The Total Environment,
Год журнала:
2018,
Номер
657, С. 627 - 633
Опубликована: Дек. 5, 2018
To
analyse
the
potential
future
ecological
state
of
estuaries
located
in
temperate
climate
(here
exemplified
with
Odense
Fjord
estuary,
Denmark),
we
combined
end-of-the-century
change
projections
from
four
different
models,
contrasting
land
use
scenarios
("Agriculture
for
nature",
"Extensive
agriculture",
"High-tech
agriculture"
and
"Market
driven
agriculture")
two
eco-hydrological
models.
By
decomposing
variance
model-simulated
output
all
scenario
model
combinations,
identified
key
sources
uncertainties
these
projections.
There
was
generally
a
decline
estuary
warmer
climate.
Strikingly,
even
most
nature-friendly
scenario,
where
proportion
intensive
agricultural
area
converted
to
forest,
may
not
be
enough
counteract
negative
effects
on
estuary.
The
were
significant
uncertainty
state,
followed,
order,
by
models
albeit
three
caused
high
variability
simulated
outputs.
Therefore,
when
projecting
aquatic
ecosystems
global
warming
context,
one
should
at
very
least
consider
evaluate
an
ensemble
(nutrient
loads)
but
ideally
also
include
multiple
Our
study
set
precedence
attempts
predict
quantify
input
ensembles,
as
this
will
likely
elements
tools
decision-making
processes.
Global Change Biology,
Год журнала:
2021,
Номер
27(24), С. 6409 - 6422
Опубликована: Авг. 31, 2021
Land
use
and
climate
change
are
anticipated
to
affect
phytoplankton
of
lakes
worldwide.
The
effects
will
depend
on
the
magnitude
projected
land
changes
lake
sensitivity
these
factors.
We
used
random
forests
fit
with
long-term
(1971–2016)
cyanobacteria
abundance
time
series,
observations
(1971–2016),
upstream
catchment
(global
Clumondo
models
for
year
2000)
data
from
14
European
15
North
American
basins.
future
in
29
focal
basins
1567
across
regions
based
three
(sustainability,
middle
road,
regional
rivalry)
two
(RCP
2.6
8.5)
scenarios
mid-21st
century.
On
average,
expected
have
higher
due
increases
both
urban
temperature,
decreases
forest
habitat.
However,
relative
importance
varied
substantially
among
lakes.
Accounting
a
combined
way
extensive
allowed
us
identify
urbanization
as
major
driver
development
located
areas,
remote
areas
where
past
were
minimal.
For
approximately
one-third
studied
lakes,
drivers
relatively
important.
results
this
large
scale
study
suggest
best
approaches
mitigating
human
activity
strongly
at
given
location.
Our
quantitative
analyses
local
management
measures
should
focus
retaining
nutrients
landscapes
prevent
nutrient
pollution
exacerbating
ongoing
ecosystems
change.
Water,
Год журнала:
2022,
Номер
14(10), С. 1559 - 1559
Опубликована: Май 12, 2022
The
biophysical
modeling
of
water
ecosystem
services
is
crucial
to
understanding
their
availability,
vulnerabilities,
and
fluxes.
Among
the
most
popular
models,
Integrated
Valuation
Ecosystem
Services
Trade-offs
(InVEST)
models
stand
out.
While
many
studies
have
used
them,
few
assessed
performance.
This
study
evaluates
performance
InVEST’s
Seasonal
Water
Yield,
Nutrient
Delivery
Ratio,
Sediment
Ratio
in
a
subtropical
basin
southeastern
Brazil
on
temporal
spatial
scales,
using
39
years
streamflow
data,
29
for
total
phosphorus
nitrogen,
19
suspended
solids.
Statistical
indicators
R2,
PBIAS,
NSE,
were
also
calculated.
varied
according
type
simulated
WES
analysis
scales
used,
with
Yield
model
demonstrating
best
effectively
representing
variability
average
annual
streamflow.
All
performed
well
simulating
long-term
mean
values
when
compared
observed
data.
one
should
bear
mind
study’s
limitations,
results
indicate
that
perform
terms
relative
magnitude,
although
application
involving
water-resource
management
decision
making
limited.
