Hydrogeology Journal,
Journal Year:
2023,
Volume and Issue:
32(3), P. 891 - 912
Published: Dec. 27, 2023
Abstract
Intense
use
of
groundwater
in
urban
areas
requires
appropriate
monitoring,
which
turn
necessitates
proper
data
management
with
employment
increasingly
sophisticated
statistical
methods
and
mapping
tools.
An
example
such
an
area
intensive
is
the
study
GeoPot
Project,
namely
Munich
(Germany)
its
surroundings.
The
aim
presented
was
to
provide
a
description
hydrogeochemical
characteristics
aquifers
occurring
Quaternary
Upper
Freshwater
Molasse
(German:
Obere
Süßwassermolasse
–
OSM)
sediments
further
improve
understanding
interactions
between
aquifers.
focus
put
on
identification
hydrochemical
facies,
chemical
signatures
different
water
types,
processes,
spatial
relationships
In
order
deal
generated
for
this
study,
as
well
coming
from
existing
external
databanks
(e.g.
BIS-BY),
methodology
quality
assurance
developed.
analytical
focused
multivariate
statistics.
To
enhance
interpretation
obtained
clusters,
recently
developed
three-dimensional
geological
model
used
better
presentation.
It
found
that
area,
deeper
aquifer
systems
represent
most
distinct
signature
Na–HCO
3
type.
remaining
transition
(alkaline)
shallow
(alkaline-earth)
can
be
observed.
results
utilized
improved,
sustainable
management.
Hydrogeology Journal,
Journal Year:
2023,
Volume and Issue:
32(2), P. 577 - 600
Published: Nov. 15, 2023
Abstract
Groundwater
is
present
at
shallow
depth
under
many
coastal
low-lying
cities.
Despite
the
importance
of
protecting
urbanised
areas
from
flooding
and
climate-change-induced
sea-level
rise,
effects
groundwater
fluctuations
are
rarely
investigated.
The
aim
this
study
was
to
determine
characteristics
groundwater,
including
spatial
temporal
trends
in
depths
their
relationship
natural
anthropogenic
stressors.
uses
measurements
a
uniquely
extensive
densely
spaced
monitoring
network
Ōtautahi/Christchurch,
New
Zealand.
Data-driven
analysis
approaches
were
applied,
interpolation,
autocorrelation,
clustering,
cross-correlation
trend
analysis.
These
not
commonly
applied
for
assessments
despite
potential
them
provide
insights
information
city-wide
systems.
comprehensive
approach
revealed
discernible
clusters
within
dataset.
Responses
stresses
such
as
rainfall
events
stream
flow
successfully
classified
using
clustering
time
series
indicated
that
low
variation
levels
occurred
also
found
clustering.
However,
attributing
some
specific
hydrogeological
attributes
or
stressors
posed
challenges.
primary
feature
hydrograph
classification
proved
be
proximity
tidal
rivers
correlation
with
signals.
results
highlight
value
large
datasets
characterise
variability
urban
settings
assist
infrastructure
planning
face
future
climate-change
hazards.
Hydrogeology Journal,
Journal Year:
2023,
Volume and Issue:
32(3), P. 891 - 912
Published: Dec. 27, 2023
Abstract
Intense
use
of
groundwater
in
urban
areas
requires
appropriate
monitoring,
which
turn
necessitates
proper
data
management
with
employment
increasingly
sophisticated
statistical
methods
and
mapping
tools.
An
example
such
an
area
intensive
is
the
study
GeoPot
Project,
namely
Munich
(Germany)
its
surroundings.
The
aim
presented
was
to
provide
a
description
hydrogeochemical
characteristics
aquifers
occurring
Quaternary
Upper
Freshwater
Molasse
(German:
Obere
Süßwassermolasse
–
OSM)
sediments
further
improve
understanding
interactions
between
aquifers.
focus
put
on
identification
hydrochemical
facies,
chemical
signatures
different
water
types,
processes,
spatial
relationships
In
order
deal
generated
for
this
study,
as
well
coming
from
existing
external
databanks
(e.g.
BIS-BY),
methodology
quality
assurance
developed.
analytical
focused
multivariate
statistics.
To
enhance
interpretation
obtained
clusters,
recently
developed
three-dimensional
geological
model
used
better
presentation.
It
found
that
area,
deeper
aquifer
systems
represent
most
distinct
signature
Na–HCO
3
type.
remaining
transition
(alkaline)
shallow
(alkaline-earth)
can
be
observed.
results
utilized
improved,
sustainable
management.
