Hydrology and earth system sciences,
Journal Year:
2021,
Volume and Issue:
25(4), P. 2239 - 2259
Published: April 26, 2021
Abstract.
Quantifying
how
vegetation
mediates
water
partitioning
at
different
spatial
and
temporal
scales
in
complex,
managed
catchments
is
fundamental
for
long-term
sustainable
land
management.
Estimations
from
ecohydrological
models
conceptualising
regulates
the
interrelationships
between
evapotranspiration
losses,
catchment
storage
dynamics,
recharge
runoff
fluxes
are
needed
to
assess
availability
a
range
of
ecosystem
services
evaluate
these
might
change
under
increasing
extreme
events,
such
as
droughts.
Currently,
feedback
mechanisms
mosaics
cover
not
well
understood
across
scales,
effects
on
skill
needs
be
clarified.
We
used
tracer-aided
model
EcH2O-iso
an
intensively
monitored
66
km2
mixed
use
northeastern
Germany
quantify
flux–storage–age
interactions
four
grid
resolutions
(250,
500,
750,
1000
m).
This
fusion
field
(including
precipitation,
soil
water,
groundwater,
stream
isotopes)
remote
sensing
data
calibration.
Multicriteria
calibration
each
resolution
revealed
some
differences
estimation
fluxes,
storages,
ages.
In
general,
sensitivity
decreased
uncertainty
increased
with
coarser
resolutions.
Larger
grids
were
unable
replicate
observed
streamflow
distributed
isotope
dynamics
way
smaller
pixels
could.
However,
using
still
helped
constrain
storage,
ages
Despite
same
parameterisation
resolutions,
modelled
proportion
differed
slightly
resolution,
coarse
simulating
higher
evapotranspiration,
lower
relative
transpiration,
overland
flow,
slower
groundwater
movement.
Although
also
overall
performance,
results
broadly
similar.
The
study
shows
that
tracers
provide
effective
constraints
larger
modelling
help
us
understand
influence
simulation
vegetation–soil
interactions.
essential
interpreting
associated
estimating
large-scale
“blue”
(ground
surface
water)
“green”
(vegetation
evaporated
particularly
future
environmental
change.
Journal of Climate,
Journal Year:
2017,
Volume and Issue:
30(21), P. 8689 - 8710
Published: July 31, 2017
Climate
models
project
significant
twenty-first-century
declines
in
water
availability
over
the
American
West
from
anthropogenic
warming.
However,
physical
mechanisms
underpinning
this
response
are
poorly
characterized,
as
uncertainties
vegetation's
modulation
of
evaporative
losses.
To
understand
drivers
and
future
hydroclimate
West,
a
35-member
single
model
ensemble
is
used
to
examine
summer
soil
moisture
runoff
forcing.
Widespread
dry
season
occur
across
region
despite
increases
total
water-year
precipitation
ubiquitous
plant
water-use
efficiency.
These
modeled
initially
forced
by
snowpack
losses
that
directly
diminish
water,
even
regions
where
increases.
When
priming
coupled
with
warming-
CO
Plant Diversity,
Journal Year:
2016,
Volume and Issue:
39(1), P. 1 - 12
Published: Nov. 24, 2016
Land
surface
models
and
dynamic
global
vegetation
typically
represent
through
coarse
plant
functional
type
groupings
based
on
leaf
form,
phenology,
bioclimatic
limits.
Although
these
were
both
feasible
for
early
model
generations,
in
light
of
the
pace
at
which
our
knowledge
ecology,
ecosystem
demographics,
vegetation-climate
feedbacks
has
advanced
ever
growing
demand
enhanced
performance,
have
become
antiquated
are
identified
as
a
key
source
uncertainty.
The
newest
wave
development
is
centered
shifting
paradigm
away
from
types
(PFTs)
towards
flexible
trait-based
representations.
These
seek
to
improve
errors
fluxes
that
result
information
loss
due
over-aggregation
dissimilar
species
into
same
class.
We
advocate
importance
inclusion
hydraulic
trait
representation
within
new
framework
whole-plant
strategy.
Plant
strategy
known
play
critical
role
regulation
stomatal
conductance
thus
transpiration
latent
heat
flux.
It
typical
coexisting
plants
employ
opposing
strategies,
therefore
disparate
patterns
water
acquisition
use.
Hydraulic
traits
deterministic
drought
resilience,
response
disturbance,
other
demographic
processes.
addition
properties
may
not
only
simulation
carbon
but
also
population
distributions.
Abstract
Hydrology
plays
a
central
role
in
applied
and
fundamental
environmental
sciences,
but
it
is
well
known
to
suffer
from
an
overwhelming
diversity
of
models,
particularly
simulate
streamflow.
We
discuss
here
detail
how
such
did
arise
based
on
the
example
Switzerland.
The
case
study's
relevance
stems
fact
that
Switzerland,
despite
being
small
country,
shows
variety
hydro‐climatological
regimes,
water
resources
management
challenges,
hydrological
research
institutes
led
model
diversification
stands
exemplary
for
arose
also
at
larger
scales.
Our
analysis,
literature
review,
personal
inquiry,
author
survey,
summarizes
main
driving
forces
behind
diversification.
anticipate
this
review
not
only
helps
researchers
other
fields
particular
international
hydrology
community
understand
why
we
have
so
many
different
streamflow
models.
This
article
categorized
under:
Science
Water
>
Hydrological
Processes
Methods
Hydrology and earth system sciences,
Journal Year:
2021,
Volume and Issue:
25(4), P. 2239 - 2259
Published: April 26, 2021
Abstract.
Quantifying
how
vegetation
mediates
water
partitioning
at
different
spatial
and
temporal
scales
in
complex,
managed
catchments
is
fundamental
for
long-term
sustainable
land
management.
Estimations
from
ecohydrological
models
conceptualising
regulates
the
interrelationships
between
evapotranspiration
losses,
catchment
storage
dynamics,
recharge
runoff
fluxes
are
needed
to
assess
availability
a
range
of
ecosystem
services
evaluate
these
might
change
under
increasing
extreme
events,
such
as
droughts.
Currently,
feedback
mechanisms
mosaics
cover
not
well
understood
across
scales,
effects
on
skill
needs
be
clarified.
We
used
tracer-aided
model
EcH2O-iso
an
intensively
monitored
66
km2
mixed
use
northeastern
Germany
quantify
flux–storage–age
interactions
four
grid
resolutions
(250,
500,
750,
1000
m).
This
fusion
field
(including
precipitation,
soil
water,
groundwater,
stream
isotopes)
remote
sensing
data
calibration.
Multicriteria
calibration
each
resolution
revealed
some
differences
estimation
fluxes,
storages,
ages.
In
general,
sensitivity
decreased
uncertainty
increased
with
coarser
resolutions.
Larger
grids
were
unable
replicate
observed
streamflow
distributed
isotope
dynamics
way
smaller
pixels
could.
However,
using
still
helped
constrain
storage,
ages
Despite
same
parameterisation
resolutions,
modelled
proportion
differed
slightly
resolution,
coarse
simulating
higher
evapotranspiration,
lower
relative
transpiration,
overland
flow,
slower
groundwater
movement.
Although
also
overall
performance,
results
broadly
similar.
The
study
shows
that
tracers
provide
effective
constraints
larger
modelling
help
us
understand
influence
simulation
vegetation–soil
interactions.
essential
interpreting
associated
estimating
large-scale
“blue”
(ground
surface
water)
“green”
(vegetation
evaporated
particularly
future
environmental
change.