Bert Scheeren
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View article: Toward Reconciling Bottom‐Up and Top‐Down Estimates of N <sub>2</sub> O and CH <sub>4</sub> Emissions in Rotterdam
Toward Reconciling Bottom‐Up and Top‐Down Estimates of N <sub>2</sub> O and CH <sub>4</sub> Emissions in Rotterdam Open
Cities are key areas for implementing measures to reduce greenhouse gas emissions; however, large uncertainties exist in both “bottom‐up” inventories and “top‐down” estimates of urban N 2 O and CH 4 emissions. We combine top‐down and botto…
View article: Controlled-release experiment to optimize emission quantification of H2 point sources
Controlled-release experiment to optimize emission quantification of H2 point sources Open
A result of the global energy transition is an expected increase in atmospheric hydrogen, due to fugitive H2 emissions during production, transport, storage and usage. Loss rates are predicted to be up to 10% of the total hydrogen producti…
View article: Interannual variations in the <i>Δ</i> ( <sup>17</sup> O) signature of atmospheric CO <sub>2</sub> at two mid-latitude sites suggest a close link to stratosphere–troposphere exchange
Interannual variations in the <i>Δ</i> ( <sup>17</sup> O) signature of atmospheric CO <sub>2</sub> at two mid-latitude sites suggest a close link to stratosphere–troposphere exchange Open
Δ(17O) measurements of atmospheric CO2 have the potential to be a tracer for gross primary production and stratosphere–troposphere mixing. A positive Δ(17O) originates from intrusions of stratospheric CO2, whereas values close to −0.21 ‰ r…
View article: First detection of industrial hydrogen emissions using high-precision mobile measurements in ambient air
First detection of industrial hydrogen emissions using high-precision mobile measurements in ambient air Open
Projections towards 2050 of the global hydrogen (H2) demand indicate an eight-fold increase in present-day hydrogen consumption. Leakage during production, transport, and consumption therefore presents a large potential for increases in th…
View article: A top-down assessment of CO2 and CH4 atmospheric variability and emission sources in the Aix-Marseille metropolis area, France.
A top-down assessment of CO2 and CH4 atmospheric variability and emission sources in the Aix-Marseille metropolis area, France. Open
The Aix-Marseille metropolis is the second most populated urbanized area of France. It aims at reaching carbon neutrality in 2050. Located in the south-east of France under a Mediterranean climate, this area is known as a hot-spot regardin…
View article: Detection of regional industrial H2 emissions using an active Aircore and a high-precision GC-PDHID system
Detection of regional industrial H2 emissions using an active Aircore and a high-precision GC-PDHID system Open
As result of the global energy transition, it is expected that H2 emissions are on the rise due to increasing production, transport and usage. Leakage rates might be up to 10% of the total hydrogen production. This will lead to an increase…
View article: Interannual variations in &#916;(17O) of atmospheric CO2 suggest a strong link with stratospheric input
Interannual variations in Δ(17O) of atmospheric CO2 suggest a strong link with stratospheric input Open
We present multiple year records of the triple oxygen isotope signature Δ(17O) of atmospheric CO2 conducted with laser absorption spectroscopy, from Lutjewad in the Netherlands (53° 24’N, 6° 21’E) and M…
View article: Comment on egusphere-2023-2924
Comment on egusphere-2023-2924 Open
Abstract. Δ(17O )measurements of atmospheric CO2 have the potential to be a tracer for gross primary production and stratosphere-troposphere mixing. A positive Δ(17O) originates from intrusions of stratospheric CO2, whereas values close to…
View article: Interannual variations in the Δ( <sup>17</sup> O) signature of atmospheric CO <sub>2</sub> at two mid-latitude sites suggest a close link to stratosphere-troposphere exchange
Interannual variations in the Δ( <sup>17</sup> O) signature of atmospheric CO <sub>2</sub> at two mid-latitude sites suggest a close link to stratosphere-troposphere exchange Open
Δ(17O )measurements of atmospheric CO2 have the potential to be a tracer for gross primary production and stratosphere-troposphere mixing. A positive Δ(17O) originates from intrusions of stratospheric CO2, whereas values close to zero resu…
View article: Aircraft-Based AirCore Sampling for Estimates of N<sub>2</sub>O and CH<sub>4</sub> Emissions
Aircraft-Based AirCore Sampling for Estimates of N<sub>2</sub>O and CH<sub>4</sub> Emissions Open
Airborne measurements offer an effective way to quantify urban emissions of greenhouse gases (GHGs). However, it may be challenging due to the requirement of high measurement precision and sufficiently enhanced signals. We developed a new …
View article: Sources and sinks of carbonyl sulfide inferred from tower and mobile atmospheric observations in the Netherlands
Sources and sinks of carbonyl sulfide inferred from tower and mobile atmospheric observations in the Netherlands Open
Carbonyl sulfide (COS) is a promising tracer for the estimation of terrestrial ecosystem gross primary production (GPP). However, understanding its non-GPP-related sources and sinks, e.g., anthropogenic sources and soil sources and sinks, …
View article: Preventing drift of oxygen isotopes of CO<sub>2</sub>-in-air stored in glass sample flasks: new insights and recommendations
Preventing drift of oxygen isotopes of CO<sub>2</sub>-in-air stored in glass sample flasks: new insights and recommendations Open
It is known that the oxygen isotope composition of CO2-in-air, when stored over longer time periods in glass sample flasks, tends to drift to more negative values while the carbon isotope composition remains stable. The exact mechanisms be…
View article: Sources and sinks of carbonyl sulfide inferred from tower and mobile atmospheric observations
Sources and sinks of carbonyl sulfide inferred from tower and mobile atmospheric observations Open
Carbonyl sulfide (COS) is a promising tracer for the estimation of terrestrial ecosystem gross primary production (GPP). However, understanding its non-GPP related sources and sinks, e.g., anthropogenic sources and soil sources and sinks, …
View article: Near-real-time CO <sub>2</sub> fluxes from CarbonTracker Europe for high-resolution atmospheric modeling
Near-real-time CO <sub>2</sub> fluxes from CarbonTracker Europe for high-resolution atmospheric modeling Open
We present the CarbonTracker Europe High-Resolution (CTE-HR) system that estimates carbon dioxide (CO2) exchange over Europe at high resolution (0.1 × 0.2∘) and in near real time (about 2 months' latency). It includes a dynamic anthropogen…
View article: Sources and sinks of carbonyl sulfide inferred from tower and mobile atmospheric observations
Sources and sinks of carbonyl sulfide inferred from tower and mobile atmospheric observations Open
These datasets include the results of the combination of STILT simulations with COS and CO2 fluxes datasets as well as the observations at the Lutjewad measurement station (LUT, 53.4235°N, 6.3094°E). Please refer to the ReadMe file for fur…
View article: Sources and sinks of carbonyl sulfide inferred from tower and mobile atmospheric observations
Sources and sinks of carbonyl sulfide inferred from tower and mobile atmospheric observations Open
These datasets include the results of the combination of STILT simulations with COS and CO2 fluxes datasets as well as the observations at the Lutjewad measurement station (LUT, 53.4235°N, 6.3094°E). Please refer to the ReadMe file for fur…
View article: High-resolution inverse modelling of European CH <sub>4</sub> emissions using the novel FLEXPART-COSMO TM5 4DVAR inverse modelling system
High-resolution inverse modelling of European CH <sub>4</sub> emissions using the novel FLEXPART-COSMO TM5 4DVAR inverse modelling system Open
We present a novel high-resolution inverse modelling system (“FLEXVAR”) based on FLEXPART-COSMO back trajectories driven by COSMO meteorological fields at 7 km×7 km resolution over the European COSMO-7 domain and the four-dimensional varia…
View article: Comment on essd-2022-175
Comment on essd-2022-175 Open
Abstract. We present the CarbonTracker Europe High-Resolution (CTE-HR) system that estimates carbon dioxide (CO2) exchange over Europe at high resolution (0.1âÃâ0.2â) and in near real time (about 2 months' latency). It includes a d…
View article: review comment on essd-2022-175
review comment on essd-2022-175 Open
We present the CarbonTracker Europe High-Resolution system that estimates carbon dioxide (CO2) exchange over Europe at high-resolution (0.1 x 0.2°) and in near real-time (about 2 months latency). It includes a dynamic fossil fuel emission …
View article: Near real-time CO <sub>2</sub> fluxes from CarbonTracker Europe for high resolution atmospheric modeling
Near real-time CO <sub>2</sub> fluxes from CarbonTracker Europe for high resolution atmospheric modeling Open
We present the CarbonTracker Europe High-Resolution system that estimates carbon dioxide (CO2) exchange over Europe at high-resolution (0.1 x 0.2°) and in near real-time (about 2 months latency). It includes a dynamic fossil fuel emission …
View article: Comment on acp-2022-118
Comment on acp-2022-118 Open
Abstract. We present a novel high-resolution inverse modelling system ("FLEXVAR") based on FLEXPART-COSMO back trajectories driven by COSMO meteorological fields at 7 km × 7 km resolution over the European COSMO-7 domain and the four-dimen…
View article: Comment on acp-2022-118
Comment on acp-2022-118 Open
Abstract. We present a novel high-resolution inverse modelling system ("FLEXVAR") based on FLEXPART-COSMO back trajectories driven by COSMO meteorological fields at 7 km × 7 km resolution over the European COSMO-7 domain and the four-dimen…
View article: Urban emissions of N2O and CH4 estimated from airborne active AirCore observations&#160;
Urban emissions of N2O and CH4 estimated from airborne active AirCore observations  Open
<p>Urban emissions of N<sub>2</sub>O and CH<sub>4</sub> may be an important part of their total anthropogenic emissions. In this study, we aimed to independently estimate the fluxes based on direct observation…
View article: Remote sensing of trace gases as link between small and large scale pollution sources in the Ruisdael Observatory
Remote sensing of trace gases as link between small and large scale pollution sources in the Ruisdael Observatory Open
<p>Greenhouse gases like CO<sub>2</sub> and CH<sub>4</sub> play an important role in the earth&#8217;s energy budget. Both local sources and long range transport can influence their concentration in the at…
View article: Identification and quantification of sources and sinks of carbonyl sulfide
Identification and quantification of sources and sinks of carbonyl sulfide Open
<p>Carbonyl sulfide (COS) is used as a tracer for gross primary production (GPP) of terrestrial ecosystems and stomatal conductance of leaves. At present, sources and sinks of COS have not been fully assessed, as proven by the poor a…
View article: High-resolution inverse modelling of European CH <sub>4</sub> emissions using novel FLEXPART-COSMO TM5 4DVAR inverse modelling system
High-resolution inverse modelling of European CH <sub>4</sub> emissions using novel FLEXPART-COSMO TM5 4DVAR inverse modelling system Open
We present a novel high-resolution inverse modelling system ("FLEXVAR") based on FLEXPART-COSMO back trajectories driven by COSMO meteorological fields at 7 km × 7 km resolution over the European COSMO-7 domain and the four-dimensional var…