Integration der thermischen Grundwassernutzung in die kommunale Wärmeplanung
Grundwasser,
Journal Year:
2025,
Volume and Issue:
30(1), P. 19 - 35
Published: Feb. 6, 2025
Zusammenfassung
Nach
dem
Wärmeplanungsgesetz
müssen
Gemeindegebiete
in
Deutschland
eine
kommunale
Wärmeplanung
ausarbeiten.
Die
thermische
Grundwassernutzung
kann
durch
ihre
hohe
Effizienz
der
Dekarbonisierung
des
Wärme-
und
Kältesektors
wichtige
Rolle
einnehmen.
Zur
Integration
die
werden
Methoden
benötigt,
den
potenziellen
Ausbau
für
Vielzahl
von
Nutzungen
analysieren
können.
Diese
Studie
kombiniert
Methode
zur
technischen
Potenzialanalyse
mit
einer
räumlichen
Optimierung
Brunnenstandorten.
Ergänzend
wird
ein
Ansatz
Dekomposition
Optimierungsproblems
entwickelt,
damit
Potenzialbewertung
auch
großflächig
anwendbar
ist.
Als
Fallbeispiel
wurde
Methodik
München
angewendet
Inwertsetzung
kommunalen
aufgezeigt.
Ergebnisse
strategischen
Ebene
über
Quartiersebene
bis
Projektebene
einem
breiten
Anwendungsspektrum
erfolgreich
eingesetzt.
Estimation of 3-D hydraulic conductivity fields from fictive grain-size distributions derived from 3-D geological modeling
Hydrogeology Journal,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 28, 2024
Abstract
Hydraulic
conductivity
(
K
)
is
a
crucial
parameter
in
hydrogeology
but
highly
heterogeneous
and
anisotropic
due
to
variations
sediment
texture,
making
its
large-scale
estimation
challenging.
Traditional
laboratory
empirical
methods
based
on
grain-size
distribution
(GSD)
analysis
from
limited
data
provide
local
measurements,
resulting
poor
representation
of
aquifer
heterogeneity.
In
contrast,
pumping
tests
estimate
an
integrated
value
over
section
the
within
cone
depression
still
lack
spatial
resolution
needed
reveal
detailed
across
larger
extents.
this
study,
D
i
models
method
was
used
simulate
GSD
three-dimensional
(3-D)
detrital
systems.
The
focus
explore
potential
through
simulated
particle-size
fractions
derived
3-D
geological
model
City
Munich.
By
employing
log-cubic
interpolation,
complete
accurate
fictive
enabled
application
multiple
relationships
for
estimation.
fields
preserved
variability
each
system.
When
averaged
separate
system
different
lateral
extents,
i.e.,
50–150
550
m,
predicted
values
showed
success
rates
44–47%
with
deviations
at
least
one
order
magnitude
15–19%
cases
when
compared
364
pumping-test
data.
results
highlight
ability
approach
successfully
while
accounting
heterogeneity,
suggesting
groundwater
modeling,
yield
assessments
heat
pump
design.
Language: Английский
Monitoring the phenomenon of seawater intrusion in the estuary area of the river Magra and in the alluvial plain of the lower Val di Magra (SP)
Firenze University Press eBooks,
Journal Year:
2024,
Volume and Issue:
unknown, P. 999 - 1010
Published: Jan. 1, 2024
Seawater
Intrusion
(SI)
is
a
critical
problem
as
consequence
of
climate
change.
The
progression
the
salt
wedge
inland
compromises
quality
and
quantity
groundwater,
seriously
damaging
agriculture
gradually
desertifying
territory.
alluvial
aquifer
Lower
Val
Magra
(LVM)
one
most
important
in
Liguria
(Italy).
It
supplies
drinking
water
to
city
La
Spezia.
main
objective
this
research
determine
severity
SI
phenomenon
LVM
River
estuary.
Data
from
different
databases
(ACAM,
Aral,
Ispra)
new
original
data
were
used
for
purpose.
analytical
methods
focused
on
multivariate
statistics
(HAC,
PCA
PLS).
was
found
that
migration
pattern
along
estuary
mainly
controlled
by
river
discharge
wind
speed.
weir
Romito
(8.5
km
sea
coast)
current
limit
R.
Magra.
About
salinized
wells
are
concentrated
Marinella
plain.
For
other
part
LVM,
good,
but
will
be
deteriorate
next
years
Language: Английский