A Multi‐Model Ensemble of Baseline and Process‐Based Models Improves the Predictive Skill of Near‐Term Lake Forecasts
Water Resources Research,
Journal Year:
2024,
Volume and Issue:
60(3)
Published: March 1, 2024
Abstract
Water
temperature
forecasting
in
lakes
and
reservoirs
is
a
valuable
tool
to
manage
crucial
freshwater
resources
changing
more
variable
climate,
but
previous
efforts
have
yet
identify
an
optimal
modeling
approach.
Here,
we
demonstrate
the
first
multi‐model
ensemble
(MME)
reservoir
water
forecast,
method
that
combines
individual
model
strengths
single
framework.
We
developed
two
MMEs:
three‐model
process‐based
MME
five‐model
includes
empirical
models
forecast
profiles
at
temperate
drinking
reservoir.
found
improved
performance
by
8%–30%
relative
MME,
as
quantified
using
aggregated
probabilistic
skill
score.
This
increase
was
due
large
improvements
bias
despite
increases
uncertainty.
High
correlation
among
resulted
little
improvement
models.
The
utility
of
MMEs
highlighted
results:
(a)
no
performed
best
every
depth
horizon
(days
future),
(b)
avoided
poor
performances
rarely
producing
worst
for
any
forecasted
period
(<6%
ranked
forecasts
over
time).
work
presents
example
how
existing
can
be
combined
improve
discusses
value
utilizing
MMEs,
rather
than
models,
operational
forecasts.
Language: Английский
Does polymixis complicate prediction of high‐frequency dissolved oxygen in lakes and reservoirs?
Limnology and Oceanography,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 6, 2024
Abstract
As
lake
and
reservoir
ecosystems
transition
across
major
environmental
regimes
(e.g.,
mixing
regime)
resulting
from
anthropogenic
change,
setting
predictive
expectations
is
imperative.
We
tested
the
hypothesis
that
(dissolved)
oxygen
more
predictable
in
monomictic
reservoirs
thermally
stratify
throughout
summer
(warm)
season
compared
to
polymictic
intermittently.
Using
two‐hourly
vertical
profiles
of
oxygen,
we
daily‐aggregated
errors
predictions
random
forests
within
two
south‐central
(subtropical)
USA.
Although
one
was
typically
than
reservoirs,
hypereutrophic,
small
had
less
patterns
potentially
related
rapid
cycling
intrusions
oxygenated
waters
hypolimnion
without
mixing.
Daily
did
not
relate
strongly
model
errors.
Water
temperature,
depth,
wind
were
most
important
predictors,
but
clearly
or
Lastly,
multiple
types
(regression,
neural
network,
process‐based)
test
how
our
interpretations
predictability
sensitive
type,
finding
models
generally
agreed;
however,
process‐based
poorly
predicted
middle
(5
m)
where
performed
due
a
temporally
unstable,
vacillating
metalimnion.
Our
results
suggest
predicting
dynamics
may
be
easier
stratified
eutrophication
complex
hydrodynamics
cause
forecasting
surprises
especially
for
those
who
use
manage
water
resources
mono‐
dimictic
reservoirs.
Language: Английский
A framework for developing a real-time lake phytoplankton forecasting system to support water quality management in the face of global change
AMBIO,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 20, 2024
Language: Английский
Near-Term Lake Water Temperature Forecasts Can Be Used to Anticipate the Ecological Dynamics of Freshwater Species
Published: Jan. 1, 2024
Language: Английский
Partly cloudy with a chance of mosquitoes: Developing a flexible approach to forecasting mosquito populations
Ecosphere,
Journal Year:
2024,
Volume and Issue:
15(12)
Published: Dec. 1, 2024
Abstract
Climate‐induced
shifts
in
mosquito
phenology
and
population
structure
have
important
implications
for
the
health
of
humans
wildlife.
The
timing
intensity
interactions
with
infected
susceptible
hosts
are
a
primary
determinant
vector‐borne
disease
dynamics.
Like
most
ectotherms,
rates
development
corresponding
phenological
patterns
expected
to
change
under
shifting
climates.
However,
developing
accurate
forecasts
climate
that
can
be
used
inform
management
programs
remains
challenging
despite
an
abundance
available
data.
As
will
variable
effects
on
demography
across
species
it
is
vital
we
identify
associated
traits
may
explain
observed
variation.
Here,
review
suite
modeling
approaches
could
applied
generate
activity
evaluate
strengths
weaknesses
different
approaches.
We
describe
four
life
history
physiological
constrain
models
demonstrate
how
this
prior
information
harnessed
develop
more
general
understanding
shift
changing
Combining
trait‐based
approach
appropriate
techniques
allow
actionable,
flexible,
multi‐scale
dynamics
diverse
stakeholders.
Language: Английский