Ecohydrological resilience and the landscape water storage continuum in droughts
Nature Water,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 19, 2024
Language: Английский
Contrasts in Ecohydrological Partitioning of Heterogeneous Urban Green Spaces in Energy‐Limited Versus Water‐Limited Hydroclimates
Hydrological Processes,
Journal Year:
2025,
Volume and Issue:
39(2)
Published: Feb. 1, 2025
ABSTRACT
Urban
green
spaces
(UGS)
provide
essential
ecosystem
services
(ES),
for
example,
precipitation
infiltration
flood
mitigation,
transpiration
(Tr)
local
atmosphere
cooling
and
groundwater
recharge
(Gr)
drinking
water
provision.
However,
vegetation
type
impacts
the
ecohydrological
partitioning
of
incoming
therefore
ES
provision,
whilst
flux
rate
potential
is
different
in
disparate
hydroclimates.
Consequently,
paired
studies
hydroclimates
are
useful
to
understand
similarities
differences
controlled
effectively
guide
UGS
management.
We
simultaneously
undertook
sub‐daily
soil
moisture
measurements
beneath
three
contrasting
urban
types
(grass,
shrub,
mature
tree)
between
01/01/2021
31/12/2023
an
inter‐comparison
energy‐limited
Scottish
a
moisture‐limited
region
Germany.
These
data
were
integrated
with
hydroclimatic
sapflux
EcoHydroPlot
model
constrain
estimates
fluxes.
Soil
showed
clear
effects
hydroclimates,
high
low
VWC
values
Scotland
Germany,
respectively,
evapotranspiration
was
~50%
greater
functioning
rates
fundamentally
different,
Tr
dominant
Germany
Gr
Scotland.
cover
shown
both
countries
be
key
control
on
grass
encouraging
Gr,
evergreen
shrubs
trees
elevating
Tr.
In
hydrological
due
marked
shutting
down
majority
study
period.
The
German
site
also
susceptibility
inter‐annual
variability
all
fluxes
heavily
suppressed
during
2022
drought.
contrast,
provided
some
buffer
against
ongoing
negative
rainfall
anomalies.
Overall,
indicated
importance
diverse
encourage
Language: Английский
The Unexploited Treasures of Hydrological Observations Beyond Streamflow for Catchment Modeling
Wiley Interdisciplinary Reviews Water,
Journal Year:
2025,
Volume and Issue:
12(2)
Published: March 1, 2025
ABSTRACT
While
measured
streamflow
is
commonly
used
for
hydrological
model
evaluation
and
calibration,
an
increasing
amount
of
data
on
additional
variables
available.
These
have
the
potential
to
improve
process
consistency
in
modeling
consequently
predictions
under
change,
as
well
data‐scarce
or
ungauged
regions.
Here,
we
show
how
these
beyond
are
currently
calibration.
We
consider
storage
flux
variables,
namely
snow,
soil
moisture,
groundwater
level,
terrestrial
water
storage,
evapotranspiration,
altimetric
level.
aim
at
summarizing
state‐of‐the‐art
providing
guidance
use
Based
a
review
current
literature,
summarize
observation
methods
uncertainties
available
sets,
challenges
regarding
their
implementation,
benefits
consistency.
The
focus
catchment
studies
with
study
areas
ranging
from
few
km
2
~500,000
.
discuss
implementing
alternative
that
related
differences
spatio‐temporal
resolution
observations
models,
variable‐specific
features,
example,
discrepancy
between
observed
simulated
variables.
further
advancements
required
deal
integrate
multiple,
potentially
inconsistent
datasets.
increased
improvement
shown
by
most
reviewed
often
come
cost
slight
decrease
performance.
Language: Английский
Storage Dynamics and Groundwater–Surface Water Interactions in a Drought Sensitive Lowland Catchment: Process‐Based Modelling as a Learning Tool
Hydrological Processes,
Journal Year:
2025,
Volume and Issue:
39(5)
Published: May 1, 2025
ABSTRACT
Groundwater
is
a
key
strategic
water
resource
in
times
of
drought,
yet
climate
and
land
use
change
are
increasing
threats;
this
means
that
quantitative
understanding
groundwater
dynamics
lowland
catchments
becoming
more
urgent.
Here,
we
used
spatially
distributed
numerical
model
to
simulate
seasonal
long‐term
changes
the
spatio‐temporal
patterns
storage
groundwater–surface
interactions
66
km
2
Demnitzer
Millcreek
catchment
(DMC)
NE
Germany.
DMC
experienced
long
period
drought
following
hot,
dry
summer
2018,
with
stores
depleted
stream
flows
increasingly
intermittent.
The
architecture
parameterisation
domain
were
based
on
observations,
hydrogeological
mapping
geophysical
surveys.
Weekly
simulations
using
single
layer
50
×
m
grid
15
depth
able
broadly
reproduce
observed
shallow
glacial
post‐glacial
deposits
across
catchment.
We
showed
most
flow
focused
around
topographic
convergence
zones
fringing
channel
network
permeable
glaciofluvial
deposits.
Most
generated
by
headwaters,
which
relatively
young
(i.e.,
~5
years
old).
With
potential
evapotranspiration
rates
exceeding
precipitation,
balance
very
sensitive
hydroclimate
at
DMC.
past
two
decades
have
been
dominated
negative
anomalies
annual
rainfall,
causing
general
lowering
tables
persistent
deficits.
Spatio‐temporal
recharge
also
strongly
influenced
vegetation
cover,
coniferous
forests,
particular,
having
high
losses
inhibit
recharge.
This
underlines
importance
developing
integrated
management
strategies
Germany
where
expected
further
reduce
increase
temperatures
decrease
For
an
evidence
base
guide
policy,
need
develop
robust
ways
interface
models
ecohydrological
better
characterise
impacts
rechange
groundwater‐dominated
catchments.
Language: Английский
Hydrological connectivity drives intra- and inter-annual variation in water quality in an intermittent stream network in a mixed land use catchment under drought
Journal of Hydrology,
Journal Year:
2024,
Volume and Issue:
648, P. 132420 - 132420
Published: Nov. 26, 2024
Language: Английский