Stephan Weber
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View article: Carbon and water exchange in extensive green roofs: A comparison between eddy covariance and soil flux chamber observations
Carbon and water exchange in extensive green roofs: A comparison between eddy covariance and soil flux chamber observations Open
View article: Modelling extensive green roof CO<sub>2</sub> exchanges in the Town Energy Balance urban canopy model
Modelling extensive green roof CO<sub>2</sub> exchanges in the Town Energy Balance urban canopy model Open
Green roofs are promoted to provide ecosystem services and to mitigate climate change in urban areas. This is largely due to their supposed benefits for biodiversity, rainwater management, evaporative cooling, and carbon sequestration. One…
View article: Connectivity of Nocturnal Cold‐Air Flows for Urban Heat Island Mitigation: Introduction of the Cold‐Air Trajectory Calculator <scp>KLATra</scp>
Connectivity of Nocturnal Cold‐Air Flows for Urban Heat Island Mitigation: Introduction of the Cold‐Air Trajectory Calculator <span>KLATra</span> Open
Ventilation of cities by local cold‐air flows is an important measure in urban heat island mitigation and climate‐resilient urban planning. We introduce a cold‐air connectivity analysis to identify relevant cold‐air formation areas as well…
View article: Modelling green façades radiative exchanges within the TEB (town energy balance) urban canopy model
Modelling green façades radiative exchanges within the TEB (town energy balance) urban canopy model Open
In order to mitigate the impacts of climate change in urban areas, there is a growing emphasis on the promotion of nature-based solutions (NBS) with expected benefits for biodiversity, rainwater management, evaporative cooling, and carbon …
View article: Carbon exchange of two large extensive green roofs
Carbon exchange of two large extensive green roofs Open
Urban green roofs (GRs) reduce greenhouse gas emissions from buildings and thus counteract climate change. Green roofs enhance energy efficiency due to thermal insulation and promote carbon uptake by sequestering CO2 from the atmosphere vi…
View article: How to counteract increasing daytime ambient heat caused by higher building energy efficiency standards
How to counteract increasing daytime ambient heat caused by higher building energy efficiency standards Open
Increasing building energy efficiency (BEE) standards in regions where HVAC systems are not prevalent, e.g., most of Europe, can lead to an increase in daytime outdoor heat exposure (Maronga et al. 2022, Heusinger et al. 2023). According t…
View article: Integrated monitoring of road traffic and airborne ultrafine particles at a camera-equipped urban intersection
Integrated monitoring of road traffic and airborne ultrafine particles at a camera-equipped urban intersection Open
View article: Modelling extensive green roof CO2 exchanges in the TEB urban canopy model
Modelling extensive green roof CO2 exchanges in the TEB urban canopy model Open
Green roofs are promoted to provide ecosystem services and to mitigate climate change in urban areas. This is largely due to their supposed benefits for biodiversity, rainwater management, evaporative cooling, and carbon sequestration. One…
View article: Fingerprints of the urban particle number size distribution in Helsinki, Finland : Local versus regional characteristics
Fingerprints of the urban particle number size distribution in Helsinki, Finland : Local versus regional characteristics Open
View article: Impact of a package of point-of-care diagnostic tests, a clinical diagnostic algorithm and adherence training on antibiotic prescriptions for the management of non-severe acute febrile illness in primary health facilities during the COVID-19 pandemic in Burkina Faso
Impact of a package of point-of-care diagnostic tests, a clinical diagnostic algorithm and adherence training on antibiotic prescriptions for the management of non-severe acute febrile illness in primary health facilities during the COVID-19 pandemic in Burkina Faso Open
Clinitrial.gov; NCT04081051 registered on 06/09/2019.
View article: Predicting multi-annual green roof net ecosystem exchange using machine learning
Predicting multi-annual green roof net ecosystem exchange using machine learning Open
Green roofs are an urban mitigation strategy to increase CO2 uptake by green infrastructure. Reliable quantification of multi-year net ecosystem exchange (NEE) is essential for evaluating carbon balance, but proves challenging due to lack …
View article: Prediction of urban ultrafine particle emission fluxes using generalized additive models
Prediction of urban ultrafine particle emission fluxes using generalized additive models Open
Ultrafine particles (UFP) are abundant in urban atmospheres. To assess the strength and temporal variation of urban UFP emission sources, information on the surface-atmosphere exchange, i.e. the turbulent vertical flux of particles, is vit…
View article: Water storage levels and water storage capacity of an extensive green roof quantified from multi-year eddy covariance measurements
Water storage levels and water storage capacity of an extensive green roof quantified from multi-year eddy covariance measurements Open
Green roofs provide several ecosystem services that may aid cities in locally adapting to climate change such as the regulation of local air temperatures by evaporative cooling and the limitation of stormwater damage by retention of precip…
View article: Modelling CO2 flows from extensive green roofs within the TEB (town energy balance) urban canopy model
Modelling CO2 flows from extensive green roofs within the TEB (town energy balance) urban canopy model Open
To mitigate climate change impacts in cities, nature-based solutions are broadly promoted due to their supposed benefits for biodiversity, rainwater management, evaporative cooling, and sequestration of carbon. Among existing solutions, gr…
View article: Modeling the impacts of building energy efficiency on the thermal microclimate in a midsize German city
Modeling the impacts of building energy efficiency on the thermal microclimate in a midsize German city Open
Increasing building energy efficiency (BEE) is an established mitigation measure against climate change. However, it is currently less understood, if the implementation of increased BEE could have an impact on urban microclimate and theref…
View article: Synthesis and Meta-analysis of 3 Randomized Trials Conducted in Burkina Faso, Ghana, and Uganda Comparing the Effects of Point-of-Care Tests and Diagnostic Algorithms Versus Routine Care on Antibiotic Prescriptions and Clinical Outcomes in Ambulatory Patients &lt;18 Years of Age With Acute Febrile Illness
Synthesis and Meta-analysis of 3 Randomized Trials Conducted in Burkina Faso, Ghana, and Uganda Comparing the Effects of Point-of-Care Tests and Diagnostic Algorithms Versus Routine Care on Antibiotic Prescriptions and Clinical Outcomes in Ambulatory Patients <18 Years of Age With Acute Febrile Illness Open
This meta-analysis included 3 randomized trials conducted in sub-Saharan Africa comparing the effects of point-of-care tests and diagnostic algorithms versus routine care on antibiotic prescriptions and clinical outcomes in ambulatory pati…
View article: Parameterizing surface conductance of different urban vegetation types for the urban land surface model SUEWS with evaluation in two mid-latitude cities
Parameterizing surface conductance of different urban vegetation types for the urban land surface model SUEWS with evaluation in two mid-latitude cities Open
As cities are taking actions to reduce and offset part of their anthropogenic carbon dioxide (CO2) emissions, urban vegetation has become vitally important in pursuing carbon neutrality and climate mitigation. Its effectiveness in carbon s…
View article: Characteristics and phenomena of the urban climate
Characteristics and phenomena of the urban climate Open
The urban climate is a modified boundary layer climate that is directly and indirectly influenced by anthropogenic activity and characterized by phenomena such as urban warming, reduced evapotranspiration, and increased emission of polluta…
View article: Real world ultrafine particle emission factors for road-traffic derived from multi-year urban flux measurements using eddy covariance
Real world ultrafine particle emission factors for road-traffic derived from multi-year urban flux measurements using eddy covariance Open
Mixed fleet particle number emission factors as derived from 3 years of size-resolved particle flux observations show about 2/3 of emission in the nucleation mode <30 nm. Long-term monitoring helps to understand variation in emission facto…
View article: The Acceptance and Use Behavior of Shared Mobility Services in a Rural Municipality
The Acceptance and Use Behavior of Shared Mobility Services in a Rural Municipality Open
In rural regions, needs-based mobility services play an important role in the provision of public services. Shared Mobility Services can optimally complement local public transportation such as buses and trains, even in rural regions, and …
View article: Impact of the 2020 COVID-19 lockdown on NO2 and PM10 concentrations in Berlin, Germany
Impact of the 2020 COVID-19 lockdown on NO2 and PM10 concentrations in Berlin, Germany Open
View article: Circuit Design
Circuit Design Open
Circuit Design = Science + Art! Designers need a skilled "gut feeling" about circuits and related analytical techniques, plus creativity, to solve all problems and to adhere to the specifications, the written and the unwritten ones. You mu…
View article: Comment on amt-2022-155
Comment on amt-2022-155 Open
Abstract. In aerosol science, there is an increasing interest to perform mobile measurements to obtain number size distribution of ultrafine particles (UFP), using portable instruments based on unipolar charging and size s…
View article: Significant reduction of ultrafine particle emission fluxes to the urban atmosphere during the COVID-19 lockdown
Significant reduction of ultrafine particle emission fluxes to the urban atmosphere during the COVID-19 lockdown Open
View article: Comment on amt-2022-155
Comment on amt-2022-155 Open
In aerosol science, there is an increasing interest to perform mobile measurements to obtain number size distribution of ultrafine particles (UFP), using portable instruments based on unipolar charging and size segregation by electrical pa…
View article: Performance analysis of the NanoScan SMPS and the Mini WRAS Ultrafine Aerosol Particle Size Spectrometers
Performance analysis of the NanoScan SMPS and the Mini WRAS Ultrafine Aerosol Particle Size Spectrometers Open
In aerosol science, there is an increasing interest to perform mobile measurements to obtain number size distribution of ultrafine particles (UFP), using portable instruments based on unipolar charging and size segregation by electrical pa…
View article: A Multi-Center Clinical Diagnostic Accuracy Study of Surestatus - an Affordable, WHO Emergency-Use-Listed, Rapid, Point-of-Care, Antigen-Detecting Diagnostic Test for SARS-CoV-2
A Multi-Center Clinical Diagnostic Accuracy Study of Surestatus - an Affordable, WHO Emergency-Use-Listed, Rapid, Point-of-Care, Antigen-Detecting Diagnostic Test for SARS-CoV-2 Open
View article: Measurement report: Three years of size-resolved eddy-covariance particle number flux measurements in an urban environment
Measurement report: Three years of size-resolved eddy-covariance particle number flux measurements in an urban environment Open
Size-resolved particle number fluxes in the size range of 10 nm < particle diameter (Dp) < 200 nm were measured over a 3-year period (April 2017–March 2020) using the eddy-covariance technique at an urban site in Berlin, Germany. The obser…
View article: Bestimmung von Verkehrsemissionsfaktoren f&#252;r ultrafeine Partikel aus mehrj&#228;hrigen Partikelflussmessungen mittels Eddy-Kovarianz in Berlin
Bestimmung von Verkehrsemissionsfaktoren für ultrafeine Partikel aus mehrjährigen Partikelflussmessungen mittels Eddy-Kovarianz in Berlin Open
<p>Ultrafeine Aerosolpartikel (D<sub>p</sub> < 100 nm, UFP) können über die Atemwege in den menschlichen Körper gelangen und dort akute und chronische Gesundheitsbeeinträchtigungen h…
View article: Can a Modified Y-Balance Test Predict Running Overuse Injuries over the Course of a Division I Collegiate Cross-Country Season?
Can a Modified Y-Balance Test Predict Running Overuse Injuries over the Course of a Division I Collegiate Cross-Country Season? Open
Background Collegiate distance runners often suffer from running overuse injuries (ROI). The Y-Balance Test (YBT) has the potential to predict ROI risk in collegiate runners. Purpose To investigate whether a preseason clinical assessment o…