Bianca C. Baier
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View article: Mid-Atlantic US observations of radiocarbon in CO <sub>2</sub> : fossil and biogenic source partitioning and model evaluation
Mid-Atlantic US observations of radiocarbon in CO <sub>2</sub> : fossil and biogenic source partitioning and model evaluation Open
Accurately quantifying regional anthropogenic CO2 fluxes is fundamental to improving our understanding of the carbon cycle and for creating effective carbon mitigation policies, and the radiocarbon to total carbon ratio in atmospheric CO2 …
View article: CO <sub>2</sub> variability and seasonal cycle in the UTLS: Insights from EMAC model and AirCore observational data
CO <sub>2</sub> variability and seasonal cycle in the UTLS: Insights from EMAC model and AirCore observational data Open
The complex distribution of CO2 in the upper troposphere and lower stratosphere (UTLS) results from the interplay of different processes and mechanisms. However, in such difficult-to-access regions of the atmosphere our understanding of th…
View article: Advancing CH <sub>4</sub> and N <sub>2</sub> O retrieval strategies for NDACC/IRWG FTIR observations with the support of airborne in situ measurements
Advancing CH <sub>4</sub> and N <sub>2</sub> O retrieval strategies for NDACC/IRWG FTIR observations with the support of airborne in situ measurements Open
Atmospheric methane (CH4) and nitrous oxide (N2O) are potent greenhouse gases with significant impacts on climate change. Accurate measurement of their atmospheric abundance is essential for understanding their sources, sinks, and the impa…
View article: Transport of Hunga aerosol to the NH and the 2023 aerosol induced bump in stratospheric water vapor
Transport of Hunga aerosol to the NH and the 2023 aerosol induced bump in stratospheric water vapor Open
A global network of soundings tracked stratospheric water vapor (H2O) and aerosol enhancements for two years after the explosive eruption of the submarine Hunga volcano in January 2022. Balloon-borne measurements highlight the importance o…
View article: Mid-Atlantic U.S. observations of radiocarbon in CO <sub>2</sub> : fossil and biogenic source partitioning and model evaluation
Mid-Atlantic U.S. observations of radiocarbon in CO <sub>2</sub> : fossil and biogenic source partitioning and model evaluation Open
Accurately quantifying regional anthropogenic CO2 fluxes is fundamental to improving our understanding of the carbon cycle and for creating effective carbon mitigation policies, and the radiocarbon to total carbon ratio in atmospheric CO2 …
View article: Fiducial Reference Measurements for Greenhouse Gases (FRM4GHG): Validation of Satellite (Sentinel-5 Precursor, OCO-2, and GOSAT) Missions Using the COllaborative Carbon Column Observing Network (COCCON)
Fiducial Reference Measurements for Greenhouse Gases (FRM4GHG): Validation of Satellite (Sentinel-5 Precursor, OCO-2, and GOSAT) Missions Using the COllaborative Carbon Column Observing Network (COCCON) Open
The COllaborative Carbon Column Observing Network has become a reliable source of high-quality ground-based remote sensing network data that provide column-averaged dry-air mole fractions of carbon dioxide (XCO2), methane (XCH4), and carbo…
View article: Quantification of regional net CO <sub>2</sub> flux errors in the Orbiting Carbon Observatory-2 (OCO-2) v10 model intercomparison project (MIP) ensemble using airborne measurements
Quantification of regional net CO <sub>2</sub> flux errors in the Orbiting Carbon Observatory-2 (OCO-2) v10 model intercomparison project (MIP) ensemble using airborne measurements Open
Inverse model intercomparison projects (MIPs) provide a chance to assess the uncertainties in inversion estimates arising from various sources. However, accurately quantifying ensemble CO2 flux errors remains challenging and often relies o…
View article: Advancing CH <sub>4</sub> and N <sub>2</sub> O retrieval strategies for NDACC/IRWG high-resolution direct-sun FTIR Observations
Advancing CH <sub>4</sub> and N <sub>2</sub> O retrieval strategies for NDACC/IRWG high-resolution direct-sun FTIR Observations Open
Atmospheric methane (CH4) and nitrous oxide (N2O) are potent greenhouse gases with significant impacts on climate change. Accurate measurement of their atmospheric abundance is essential for understanding their sources, sinks, and the impa…
View article: Age of air from in situ trace gas measurements: insights from a new technique
Age of air from in situ trace gas measurements: insights from a new technique Open
The age of air is an important transport diagnostic that can be derived from trace gas measurements and compared to global chemistry climate model output. We describe a new technique to calculate the age of air, measuring transport times f…
View article: Methane retrieval from MethaneAIR using the CO <sub>2</sub> proxy approach: a demonstration for the upcoming MethaneSAT mission
Methane retrieval from MethaneAIR using the CO <sub>2</sub> proxy approach: a demonstration for the upcoming MethaneSAT mission Open
Reducing methane (CH4) emissions from the oil and gas (O&G) sector is crucial for mitigating climate change in the near term. MethaneSAT is an upcoming satellite mission designed to monitor basin-wide O&G emissions globally, provid…
View article: Age of air from in situ trace gas measurements: Insights from a new technique
Age of air from in situ trace gas measurements: Insights from a new technique Open
The age of air is an important transport diagnostic that can be derived from trace gas measurements and compared to global chemistry climate model output. We describe a new technique to calculate the age of air, measuring transport times f…
View article: The Total Carbon Column Observing Network's GGG2020 data version
The Total Carbon Column Observing Network's GGG2020 data version Open
The Total Carbon Column Observing Network (TCCON) measures column-average mole fractions of several greenhouse gases (GHGs), beginning in 2004, from over 30 current or past measurement sites around the world using solar absorption spectros…
View article: California dominates U.S. emissions of the pesticide and potent greenhouse gas sulfuryl fluoride
California dominates U.S. emissions of the pesticide and potent greenhouse gas sulfuryl fluoride Open
Sulfuryl fluoride (SO 2 F 2 ) is a synthetic pesticide and a potent greenhouse gas that is accumulating in the global atmosphere. Rising emissions are a concern since SO 2 F 2 has a relatively long atmospheric lifetime and a high global wa…
View article: Short-term variability and uncertainties of trace gases in the boreal summer UTLS from AirCore measurements during the OSTRICH campaign
Short-term variability and uncertainties of trace gases in the boreal summer UTLS from AirCore measurements during the OSTRICH campaign Open
Trace gas patterns in the upper troposphere and lower stratosphere (UTLS) can provide valuable insights into the mechanisms and the interplay of processes controlling the distribution of these species. We use vertical greenhouse gas profil…
View article: Comment on egusphere-2023-2258
Comment on egusphere-2023-2258 Open
Abstract. Multi-inverse modeling inter-comparison projects (MIPs) provide a chance to assess the uncertainties in inversion estimates arising from various sources such as atmospheric CO2 observations, transport models, and prior fluxes. Ho…
View article: Comment on egusphere-2023-1962
Comment on egusphere-2023-1962 Open
Abstract. Reducing methane (CH4) emissions from the oil and gas (O&G;) sector is key to mitigating climate change in the near-term. MethaneSAT is an upcoming satellite mission designed to monitor basin-wide O&G; emissions globally, providi…
View article: Quantification of regional terrestrial biosphere CO <sub>2</sub> flux errors in v10 OCO-2 MIP models using airborne measurements
Quantification of regional terrestrial biosphere CO <sub>2</sub> flux errors in v10 OCO-2 MIP models using airborne measurements Open
Multi-inverse modeling inter-comparison projects (MIPs) provide a chance to assess the uncertainties in inversion estimates arising from various sources such as atmospheric CO2 observations, transport models, and prior fluxes. However, acc…
View article: Comment on essd-2023-331
Comment on essd-2023-331 Open
Abstract. The Total Carbon Column Observing Network (TCCON) measures column-average mole fractions of several greenhouse gases (GHGs) beginning in 2004 from over 30 current or past measurement sites around the world, using solar absorption…
View article: Methane retrieval from MethaneAIR using the CO <sub>2</sub> Proxy Approach: A demonstration for the upcoming MethaneSAT mission
Methane retrieval from MethaneAIR using the CO <sub>2</sub> Proxy Approach: A demonstration for the upcoming MethaneSAT mission Open
Reducing methane (CH4) emissions from the oil and gas (O&G) sector is key to mitigating climate change in the near-term. MethaneSAT is an upcoming satellite mission designed to monitor basin-wide O&G emissions globally, providing e…
View article: The Total Carbon Column Observing Network's GGG2020 Data Version
The Total Carbon Column Observing Network's GGG2020 Data Version Open
The Total Carbon Column Observing Network (TCCON) measures column-average mole fractions of several greenhouse gases (GHGs) beginning in 2004 from over 30 current or past measurement sites around the world, using solar absorption spectrosc…
View article: A novel, cost-effective analytical method for measuring high-resolution vertical profiles of stratospheric trace gases using a gas chromatograph coupled with an electron capture detector
A novel, cost-effective analytical method for measuring high-resolution vertical profiles of stratospheric trace gases using a gas chromatograph coupled with an electron capture detector Open
The radiative balance of the upper atmosphere is dependent on the magnitude and distribution of greenhouse gases and aerosols in that region. Climate models predict that with increasing surface temperature, the primary mechanism for transp…
View article: Inferring the vertical distribution of CO and CO <sub>2</sub> from TCCON total column values using the TARDISS algorithm
Inferring the vertical distribution of CO and CO <sub>2</sub> from TCCON total column values using the TARDISS algorithm Open
We describe an approach for determining limited information about the vertical distribution of carbon monoxide (CO) and carbon dioxide (CO2) from total column ground-based Total Carbon Column Observation Network (TCCON) observations. For C…
View article: Technical note: The CAMS greenhouse gas reanalysis from 2003 to 2020
Technical note: The CAMS greenhouse gas reanalysis from 2003 to 2020 Open
The Copernicus Atmosphere Monitoring Service (CAMS) has recently produced a greenhouse gas reanalysis (version egg4) that covers almost 2 decades from 2003 to 2020 and which will be extended in the future. This reanalysis dataset includes …
View article: Using portable low-resolution spectrometers to evaluate Total Carbon Column Observing Network (TCCON) biases in North America
Using portable low-resolution spectrometers to evaluate Total Carbon Column Observing Network (TCCON) biases in North America Open
EM27/SUN devices are portable solar-viewing Fourier transform spectrometers (FTSs) that are being widely used to constrain measurements of greenhouse gas emissions and validate satellite trace gas measurements. On a 6-week-long campaign in…