Michael Stichaner
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View article: Turbulent enhancement ratios used for characterizing local emission sources in a complex urban environment
Turbulent enhancement ratios used for characterizing local emission sources in a complex urban environment Open
In this study, we introduce the turbulent enhancement ratio (TER) as an experimental approach for characterizing local emission sources in complex urban environments, with a focus on the city of Innsbruck, Austria. The idea behind the appr…
View article: Longterm urban eddy covariance observations of methane and other trace gases reveal characteristic anthropogenic emission hotspots
Longterm urban eddy covariance observations of methane and other trace gases reveal characteristic anthropogenic emission hotspots Open
Eddy covariance observations are particularly well suited to study emission processes at the ecosystem scale. Here we combine longterm observations of methane, carbon dioxide and nitrogen oxides, with campaign-based observations of NMVOC f…
View article: Atmospheric chemical source signatures from proton-transfer reaction mass spectrometry aid in the interpretation of ambient aerosol distributions
Atmospheric chemical source signatures from proton-transfer reaction mass spectrometry aid in the interpretation of ambient aerosol distributions Open
Trace gases and aerosols play a fundamental role for climate and air quality, yet predicting their ambient distributions remains challenging, particularly in urban environments. Primary and secondary sources of trace gases and aerosols in …
View article: The Turbulent Enhancement Ratio as a novel Approach for Characterizing Local Emission Sources in Complex Environments
The Turbulent Enhancement Ratio as a novel Approach for Characterizing Local Emission Sources in Complex Environments Open
In this study, we introduce the Turbulent Enhancement Ratio (TER) method as a new approach for characterizing local emission sources in complex urban environments, with a focus on the city of Innsbruck, Austria. The idea behind the approac…
View article: Urban sources of methane characterised by long-term eddy covariance observations in central Europe
Urban sources of methane characterised by long-term eddy covariance observations in central Europe Open
Multiyear eddy covariance measurements of methane and carbon dioxide were performed in Innsbruck, Austria, a mid-sized European city in the Alps. Annual mean methane and carbon dioxide fluxes were on the order of 21.6 nmol/m2/s and 11.7 μm…
View article: A statistical gap filling model for methane fluxes over an urban area in the Alps
A statistical gap filling model for methane fluxes over an urban area in the Alps Open
There is consensus that climate change is mostly driven by anthropogenic greenhouse gas emissions. In addition to CO2 emissions, which have been the subject of public debate for a long time, increased awareness of methane (CH4) emissions h…
View article: Eddy covariance flux measurements of methane over an urban area in the Alps
Eddy covariance flux measurements of methane over an urban area in the Alps Open
<p>Methane is considered as the second most important contributor to radiative forcing and thus makes it the most important non-CO<sub>2</sub> greenhouse gas originated from anthropogenic activities. The investigation of …
View article: Trace Gas Fluxes in an Alpine Urban Setting
Trace Gas Fluxes in an Alpine Urban Setting Open
<p>The Innsbruck Atmospheric Observatory (IAO) &#8211; established in 2017 &#8211; allows for the measurement of the turbulent exchange of inert and reactive trace gases 42m above ground level in the central urban environment…
View article: Decoupling of urban CO <sub>2</sub> and air pollutant emission reductions during the European SARS-CoV-2 lockdown
Decoupling of urban CO <sub>2</sub> and air pollutant emission reductions during the European SARS-CoV-2 lockdown Open
Lockdown and the associated massive reduction in people's mobility imposed by SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) mitigation measures across the globe provide a unique sensitivity experiment to investigate impacts …
View article: Decoupling of urban CO <sub>2</sub> and air pollutant emission reductions during the EuropeanSARS-CoV2 lockdown
Decoupling of urban CO <sub>2</sub> and air pollutant emission reductions during the EuropeanSARS-CoV2 lockdown Open
Lockdown and the associated massive reduction in people’s mobility imposed by SARS-CoV-2 mitigation measures across the globe provide a unique sensitivity experiment to investigate impacts on carbon and air pollution emissions. We present …