Environmental Modelling & Software,
Год журнала:
2022,
Номер
160, С. 105609 - 105609
Опубликована: Дек. 16, 2022
In
this
manuscript,
we
present
B-AMA
(Basic
dAta-driven
Models
for
All),
an
easy,
flexible,
fully
coded
Python-written
protocol
the
application
of
data-driven
models
(DDM)
in
hydrology.
The
protocol,
which
is
open
source
and
freely
available
academic
non-commercial
purposes,
has
been
realized
to
allow
early
career
scientists,
with
a
basic
background
programming,
develop
DDM
ensuring
that
no
stones
are
left
unturned
through
their
implementation.
embeds
data
splitting,
feature
selection,
hyperparameter
optimization,
performance
metrics.
A
Jupyter
notebook
practical
workflow
guide
users
employment,
while
visualization
tools
efficient
investigation
communication
results.
We
tested
across
four
hydrological
applications
explore
applicability
temporal
resolutions,
time
series
lengths,
autocorrelations.
showed
great
accuracy
reasonable
computational
time,
making
ideal
educational
purposes
development
DDM-based
forecasts
time-series.
PLOS Water,
Год журнала:
2022,
Номер
1(12), С. e0000058 - e0000058
Опубликована: Дек. 15, 2022
For
the
first
time
in
latest
Assessment
Report
of
Intergovernmental
Panel
on
Climate
Change
(IPCC),
water
has
been
focus
dedicated
chapters
both
Working
Group
1
(Chapter
8)
and
2
4).
Nevertheless,
we
argue
here
that
not
yet
received
full
attention
it
deserves
from
scientists
policymakers
for
several
reasons.
Firstly,
historical
temperature
change
further
increased
with
use
global
warming
levels
motivated
by
an
aim
to
be
consistent
current
policy
framings.
Secondly,
increasing
paid
extreme
weather
sometimes
overshadowed
longer
time-scale
changes
such
as
aridification
fraction
arable
land
variability
cycle
month
month,
season
season,
year
also
yield
cascading
impacts
all
sectors.
Thirdly,
a
stronger
is
needed
understanding
effectiveness
future
adaptation
strategies
reducing
water-related
climate
risks.
Finally,
role
adequately
recognized
assessment
mitigation
although
compliance
Paris
Agreement
pledges
require
massive
deployment
land-based
whose
feasibility
efficiency
heavily
depend
resources.
It
thus
essential
develop
more
integrated
approach
change,
would
allow
“close
loop”
between
options,
changes,
hydrological
adaptation.
Proceedings of the National Academy of Sciences,
Год журнала:
2023,
Номер
121(2)
Опубликована: Дек. 29, 2023
Understanding
and
controlling
the
interaction
of
graphene-based
materials
with
cell
membranes
is
key
to
development
graphene-enabled
biomedical
technologies
management
graphene
health
safety
issues.
Very
little
known
about
...
Global Change Biology,
Год журнала:
2023,
Номер
29(10), С. 2790 - 2803
Опубликована: Фев. 16, 2023
Although
drought
is
known
to
negatively
impact
grassland
functioning,
the
timing
and
magnitude
of
these
impacts
within
a
growing
season
remain
unresolved.
Previous
small-scale
assessments
indicate
grasslands
may
only
respond
during
narrow
periods
year;
however,
large-scale
are
now
needed
uncover
general
patterns
determinants
this
timing.
We
combined
remote
sensing
datasets
gross
primary
productivity
weather
assess
responses
at
5
km2
temporal
resolution
across
two
expansive
ecoregions
western
US
Great
Plains
biome:
C4
-dominated
shortgrass
steppe
C3
northern
mixed
prairies.
Across
over
700,000
pixel-year
combinations
covering
more
than
600,000
,
we
studied
how
driest
years
between
2003-2020
altered
daily
bi-weekly
dynamics
carbon
(C)
uptake.
Reductions
C
uptake
intensified
into
early
summer
peaked
in
mid-
late
June
both
ecoregions.
Stimulation
spring
was
small
insufficient
compensate
for
losses
summer.
Thus,
total
consistently
reduced
by
ecoregions;
reductions
were
twice
as
large
southern
warmer
steppe.
biome,
increased
vapor
pressure
deficit
(VPD)
strongly
linked
peak
vegetation
greenness
drought.
Rising
VPD
will
likely
exacerbate
Plains,
with
greatest
warmest
months
locations.
High
spatiotemporal
analyses
response
areas
provide
generalizable
insights
new
opportunities
basic
applied
ecosystem
science
water-limited
amid
climate
change.
Environmental Research Letters,
Год журнала:
2023,
Номер
18(9), С. 094004 - 094004
Опубликована: Июль 25, 2023
Abstract
Climate
warming
is
intensifying
the
global
water
cycle,
including
rate
of
fresh
flux
between
atmosphere
and
surface,
determined
by
precipitation
minus
evaporation
(P−E).
Surpluses
or
deficits
impact
societies
ecosystems,
so
it
important
to
monitor
understand
how
why
P−E
patterns
their
seasonal
range
are
changing
across
globe.
Here,
annual
maximum
minimum
changes
diagnosed
globally
over
land
ocean
using
observation-based
datasets
CMIP6
climate
model
experiments
covering
1950–2100.
Seasonal
negative
much
globe,
apart
from
Arctic,
mid-latitude
oceans
tropical
warm
pool.
In
mean,
increases
decreases
around
3%–4%
per
∘
C
1995–2014
2080–2100
in
ensemble
mean
an
intermediate
greenhouse
gas
emission
scenario.
Over
land,
there
less
coherence
1960–2020
datasets,
but
increase
emerges
future
projections.
Patterns
qualitatively
similar
present
day
trends
with
equatorial
belt
high-latitude
regions
subtropical
subsidence
zones.
This
adds
confidence
projections
a
more
variable
extreme
cycle
also
highlights
uncertainties
this
response
land.
Geophysical Research Letters,
Год журнала:
2024,
Номер
51(1)
Опубликована: Янв. 1, 2024
Abstract
The
increase
in
water
holding
capacity
of
the
atmosphere
with
temperature,
given
by
Clausius‐Clapeyron
(CC)
relationship,
describes
changes
extreme
rainfall
intensities
at
warmer
atmospheric
states.
We
study
characteristics
events
(EREs)
during
Indian
summer
monsoon
season
respect
to
thermodynamic
and
precipitation‐scaling
over
subcontinent
its
homogeneous
zones.
utilize
outputs
from
a
present‐day
climate
simulation
time‐slice
future
change
projection
experiments
high‐resolution
global
model.
Large
are
seen
for
very
EREs
(vEREs)
which
suggests
their
sensitivity
temperatures.
In
future,
altered
radiative
forcing
will
heat
up
upper
atmosphere,
stabilize
it
offset
effect
increasing
humidity
on
precipitation
intensity.
Our
analysis
also
that
more
convective
clouds
interplay
increased
moisture
content
circulation
result
EREs.
Geophysical Research Letters,
Год журнала:
2024,
Номер
51(3)
Опубликована: Янв. 31, 2024
Abstract
Due
to
global
warming,
precipitation
extremes
are
becoming
more
frequent
and
severe,
further
exacerbating
the
uneven
distribution
of
daily
precipitation.
In
this
study,
we
explored
how
many
days
in
a
year
it
takes
get
certain
amount
that
falls
annually.
We
analyzed
from
gridded
observations
across
European
continent
found
generally
took
22
34
wettest
contribute
50%
yearly
totals
(WD50).
various
degrees
alignment
between
ground
measurements.
Building
on
this,
examined
changes
WD50
detected
widespread
shifts
toward
fewer
periods
1950–1985
1986–2021.
addition,
about
one
quarter
land
also
exhibited
significant,
decreasing
trends
over
last
7
decades.
Overall,
work
showed
an
intensification
annual
regimes.
Abstract
Atmospheric
nitrogen
(N)
deposition
and
climate
change
are
transforming
the
way
N
moves
through
dryland
watersheds.
For
example,
is
increasing
export
to
streams,
which
may
be
exacerbated
by
changes
in
magnitude,
timing,
intensity
of
precipitation
(i.e.,
regime).
While
can
control
amount
entering
a
watershed,
regime
influences
rates
internal
cycling;
when
where
soil
N,
plant
roots,
microbes
hydrologically
coupled
via
diffusion;
how
quickly
plants
assimilate
N;
denitrification,
runoff,
leaching.
We
used
ecohydrological
model
RHESSys
investigate
(a)
dynamics
differ
between
N‐limited
N‐saturated
conditions
(b)
total
its
intra‐annual
intermittency
time
storms
year),
interannual
duration
dry
months
across
multiple
years),
variability
variance
among
years)
modify
export.
Streamflow
nitrate
(NO
3
−
)
was
more
sensitive
rainfall
(both
interannual)
than
scenarios,
particularly
lower—the
opposite
true
for
denitrification
scenarios.
increased
or
decreased
with
other
amount.
This
suggests
that
under
future
change,
prolonged
droughts
followed
intense
pose
major
threat
water
quality
