Alkalinity Factory Can Achieve Positive Climate Benefits Within Decades
Journal of Cleaner Production,
Journal Year:
2025,
Volume and Issue:
unknown, P. 145406 - 145406
Published: March 1, 2025
Language: Английский
Countering the effect of ocean acidification in coastal sediments through carbonate mineral additions
Published: March 25, 2024
Abstract.
Along
with
its
impact
on
calcifying
plankton,
ocean
acidification
also
affects
benthic
biogeochemistry
and
organisms.
Compared
to
the
overlying
water,
fluid
composition
in
sediments
is
altered
through
effect
of
mineralization
organic
matter,
which
can
further
lower
both
pH
carbonate
saturation
state.
This
potentially
be
counteracted
by
addition
minerals
sediment
surface.
To
explore
biogeochemical
effects
mineral
additions
coastal
sediments,
we
experimentally
quantified
dissolution
kinetics,
then
integrated
this
data
into
a
reactive
transport
model
that
represents
early
diagenetic
cycling
C,
O,
N,
S
Fe,
traces
total
alkalinity,
state
CaCO3.
Model
simulations
were
carried
out
delineate
type
amount
added,
porewater
mixing
matter
rates
alkalinity
flux
water.
results
showed
added
undergo
initial
rapid
generate
saturated
conditions.
Aragonite
led
higher
concentrations
than
calcite.
Simulations
environments
low
exhibited
significant
increase
compared
high
CO2
production
rates,
highlighting
environment-specific
extent
buffering
effect.
Our
work
indicates
have
potential
effectively
buffer
surficial
over
multiple
years,
yielding
conditions
counteract
detrimental
OA
larval
recruitment,
fluxes
support
marine
carbon
dioxide
removal
(mCDR)
Language: Английский
Comment on egusphere-2024-796
Published: April 26, 2024
Along
with
its
impact
on
calcifying
plankton,
ocean
acidification
also
affects
benthic
biogeochemistry
and
organisms.
Compared
to
the
overlying
water,
fluid
composition
in
sediments
is
altered
through
effect
of
mineralization
organic
matter,
which
can
further
lower
both
pH
carbonate
saturation
state.
This
potentially
be
counteracted
by
addition
minerals
sediment
surface.
To
explore
biogeochemical
effects
mineral
additions
coastal
sediments,
we
experimentally
quantified
dissolution
kinetics,
then
integrated
this
data
into
a
reactive
transport
model
that
represents
early
diagenetic
cycling
C,
O,
N,
S
Fe,
traces
total
alkalinity,
state
CaCO3.
Model
simulations
were
carried
out
delineate
type
amount
added,
porewater
mixing
matter
rates
alkalinity
flux
water.
results
showed
added
undergo
initial
rapid
generate
saturated
conditions.
Aragonite
led
higher
concentrations
than
calcite.
Simulations
environments
low
exhibited
significant
increase
compared
high
CO2
production
rates,
highlighting
environment-specific
extent
buffering
effect.
Our
work
indicates
have
potential
effectively
buffer
surficial
over
multiple
years,
yielding
conditions
counteract
detrimental
OA
larval
recruitment,
fluxes
support
marine
carbon
dioxide
removal
(mCDR)
Language: Английский
Reply on RC2
Kadir Bice
No information about this author
Published: Aug. 23, 2024
Along
with
its
impact
on
calcifying
plankton,
ocean
acidification
also
affects
benthic
biogeochemistry
and
organisms.
Compared
to
the
overlying
water,
fluid
composition
in
sediments
is
altered
through
effect
of
mineralization
organic
matter,
which
can
further
lower
both
pH
carbonate
saturation
state.
This
potentially
be
counteracted
by
addition
minerals
sediment
surface.
To
explore
biogeochemical
effects
mineral
additions
coastal
sediments,
we
experimentally
quantified
dissolution
kinetics,
then
integrated
this
data
into
a
reactive
transport
model
that
represents
early
diagenetic
cycling
C,
O,
N,
S
Fe,
traces
total
alkalinity,
state
CaCO3.
Model
simulations
were
carried
out
delineate
type
amount
added,
porewater
mixing
matter
rates
alkalinity
flux
water.
results
showed
added
undergo
initial
rapid
generate
saturated
conditions.
Aragonite
led
higher
concentrations
than
calcite.
Simulations
environments
low
exhibited
significant
increase
compared
high
CO2
production
rates,
highlighting
environment-specific
extent
buffering
effect.
Our
work
indicates
have
potential
effectively
buffer
surficial
over
multiple
years,
yielding
conditions
counteract
detrimental
OA
larval
recruitment,
fluxes
support
marine
carbon
dioxide
removal
(mCDR)
Language: Английский
Reply on RC1
Kadir Bice
No information about this author
Published: Aug. 23, 2024
Along
with
its
impact
on
calcifying
plankton,
ocean
acidification
also
affects
benthic
biogeochemistry
and
organisms.
Compared
to
the
overlying
water,
fluid
composition
in
sediments
is
altered
through
effect
of
mineralization
organic
matter,
which
can
further
lower
both
pH
carbonate
saturation
state.
This
potentially
be
counteracted
by
addition
minerals
sediment
surface.
To
explore
biogeochemical
effects
mineral
additions
coastal
sediments,
we
experimentally
quantified
dissolution
kinetics,
then
integrated
this
data
into
a
reactive
transport
model
that
represents
early
diagenetic
cycling
C,
O,
N,
S
Fe,
traces
total
alkalinity,
state
CaCO3.
Model
simulations
were
carried
out
delineate
type
amount
added,
porewater
mixing
matter
rates
alkalinity
flux
water.
results
showed
added
undergo
initial
rapid
generate
saturated
conditions.
Aragonite
led
higher
concentrations
than
calcite.
Simulations
environments
low
exhibited
significant
increase
compared
high
CO2
production
rates,
highlighting
environment-specific
extent
buffering
effect.
Our
work
indicates
have
potential
effectively
buffer
surficial
over
multiple
years,
yielding
conditions
counteract
detrimental
OA
larval
recruitment,
fluxes
support
marine
carbon
dioxide
removal
(mCDR)
Language: Английский