Sabine Eckhardt
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View article: Two Biogenic Volatile Organic Compound Emission Datasets over Europe Based on Land Surface Modelling and Satellite Data Assimilation
Two Biogenic Volatile Organic Compound Emission Datasets over Europe Based on Land Surface Modelling and Satellite Data Assimilation Open
Biogenic volatile organic compound (BVOC) emissions from vegetation represent a major source of volatile compounds globally and play an important role as precursors for tropospheric ozone. Understanding their emissions is therefore crucial…
View article: Polar Particles: Atmospheric Microplastic Pollution in the Arctic Region – an examination of deposited and suspended microplastics in Ny-Ålesund, Svalbard
Polar Particles: Atmospheric Microplastic Pollution in the Arctic Region – an examination of deposited and suspended microplastics in Ny-Ålesund, Svalbard Open
Atmospheric microplastics (MPs) are an emerging environmental concern due to their influence on human, environmental and climate health. MPs have been reported globally, from large urban centres such as Shanghai, to remote regions as far a…
View article: Cannabis use among adolescents and young adults in Germany: Study results and prevention measures offered by the Federal Institute of Public Health
Cannabis use among adolescents and young adults in Germany: Study results and prevention measures offered by the Federal Institute of Public Health Open
The effects of partial legalisation on cannabis use among adolescents and young adults must be evaluated in future studies. The BIÖG offers well-founded information on cannabis, its effects and health risks, as well as digital counselling …
View article: Exceptional high AOD over Svalbard in Summer 2019: A multi-instrumental approach
Exceptional high AOD over Svalbard in Summer 2019: A multi-instrumental approach Open
In the summer of 2019, the Arctic region registered exceptionally high aerosol optical depth (AOD) values over Svalbard, linked to intense biomass burning and volcanic activity across the Northern Hemisphere. This study presents a comprehe…
View article: Multi-year black carbon observations and modeling close to the largest gas flaring and wildfire regions in the Western Siberian Arctic
Multi-year black carbon observations and modeling close to the largest gas flaring and wildfire regions in the Western Siberian Arctic Open
The influence of aerosols on the Arctic system remains associated with significant uncertainties, particularly concerning black carbon (BC). The polar aerosol station “Island Bely” (IBS), located in the Western Siberian Arctic, was establi…
View article: Unprecedented shifts in aerosol pollution sources in China under a decade of clean air actions
Unprecedented shifts in aerosol pollution sources in China under a decade of clean air actions Open
China is a major hotspot of black carbon (BC) emissions, contributing to climate warming and risk to public health. Here, our dual-isotope-constrained observations indicate stringent air pollution controls have drastically reduced coal-bur…
View article: Early switch from run-in with targeted to immunotherapy in advanced BRAF-positive melanoma: final results of the randomised phase II ImmunoCobiVem trial
Early switch from run-in with targeted to immunotherapy in advanced BRAF-positive melanoma: final results of the randomised phase II ImmunoCobiVem trial Open
Early switch to ICIs after TT run-in (arm B) led to an improved, although not statistically significant, 4- and 5-year landmark OS compared with arm A. No subgroups were identified for which a TT run-in provided clinical benefit. The numbe…
View article: Unchanged PM <sub>2.5</sub> levels over Europe during COVID-19 were buffered by ammonia
Unchanged PM <sub>2.5</sub> levels over Europe during COVID-19 were buffered by ammonia Open
The coronavirus outbreak in 2020 had a devastating impact on human life, albeit a positive effect on the environment, reducing emissions of primary aerosols and trace gases and improving air quality. In this paper, we present inverse model…
View article: Observations informed European Black Carbon emission estimates for 2022
Observations informed European Black Carbon emission estimates for 2022 Open
Black Carbon (BC) is an important aerosol species with a strong positive radiative forcing and severe health impacts. In the last decades, the enforcement of European air quality policies has reduced aerosol ambient levels and altered aero…
View article: Evolution of atmospheric methane under the global methane pledge: insights from an Earth system model
Evolution of atmospheric methane under the global methane pledge: insights from an Earth system model Open
The global methane pledge (GMP) aims to cut methane (CH4) emissions across all sectors by at least 30 percent below 2020 levels by 2030, which can thereby provide benefits in air quality and health, as well as in climate, relative to not c…
View article: Future CH<sub>4</sub> as modelled by a fully coupled Earth system model: prescribed GHG concentrations vs. interactive CH<sub>4</sub> sources and sinks
Future CH<sub>4</sub> as modelled by a fully coupled Earth system model: prescribed GHG concentrations vs. interactive CH<sub>4</sub> sources and sinks Open
We have used the NASA Goddard Institute for Space Studies (GISS) Earth system model GISS-E2.1 to study the future budgets and trends of global and regional CH 4 under different emission scenarios, using both the prescribed GHG concentratio…
View article: Measurement Report: Changes in ammonia emissions since the 18th century in south-eastern Europe inferred from an Elbrus (Caucasus, Russia) ice-core record
Measurement Report: Changes in ammonia emissions since the 18th century in south-eastern Europe inferred from an Elbrus (Caucasus, Russia) ice-core record Open
Atmospheric ammonia (NH3) is a key transboundary air pollutant that contributes to the impacts of nitrogen and acidity on terrestrial ecosystems. Ammonia also contributes to the atmospheric aerosol that affects air quality. Emission invent…
View article: Using a citizen science approach to assess nanoplastics pollution in remote high-altitude glaciers
Using a citizen science approach to assess nanoplastics pollution in remote high-altitude glaciers Open
Nanoplastics are suspected to pollute every environment on Earth, including very remote areas reached via atmospheric transport. We approached the challenge of measuring environmental nanoplastics by combining high-sensitivity TD-PTR-MS (t…
View article: Anthropogenic Impacts on Coral-Algal Interactions of the Subtropical Lagoonal Reef, Norfolk Island
Anthropogenic Impacts on Coral-Algal Interactions of the Subtropical Lagoonal Reef, Norfolk Island Open
Synopsis Reef building corals are important in subtropical marine ecoregions, shaping ecosystems and providing habitats for fish and benthic species. Algal communities contribute substantially to the benthic population structure across sub…
View article: Sources and Seasonal Variations of Per- and Polyfluoroalkyl Substances (PFAS) in Surface Snow in the Arctic
Sources and Seasonal Variations of Per- and Polyfluoroalkyl Substances (PFAS) in Surface Snow in the Arctic Open
Per- and polyfluoroalkyl substances (PFAS) are persistent anthropogenic contaminants, some of which are toxic and bioaccumulative. Perfluoroalkyl carboxylic acids (PFCAs) and perfluoroalkyl sulfonic acids (PFSAs) can form during the atmosp…
View article: Composition and sources of carbonaceous aerosol in the European Arctic at Zeppelin Observatory, Svalbard (2017 to 2020)
Composition and sources of carbonaceous aerosol in the European Arctic at Zeppelin Observatory, Svalbard (2017 to 2020) Open
We analyzed long-term measurements of organic carbon, elemental carbon, and source-specific organic tracers from 2017 to 2020 to constrain carbonaceous aerosol sources in the rapidly changing Arctic. Additionally, we used absorption photom…
View article: Multi-year black carbon observations and modeling close to the largest gas flaring and wildfire regions (Western Siberian Arctic)
Multi-year black carbon observations and modeling close to the largest gas flaring and wildfire regions (Western Siberian Arctic) Open
The influence of aerosols on the Arctic system remains associated with significant uncertainties, particularly concerning black carbon (BC). The polar aerosol station "Island Bely", located in the Kara Sea (Western Siberian Arctic) was est…
View article: FLEXPART version 11: improved accuracy, efficiency, and flexibility
FLEXPART version 11: improved accuracy, efficiency, and flexibility Open
Numerical methods and simulation codes are essential for the advancement of our understanding of complex atmospheric processes. As technology and computer hardware continue to evolve, the development of sophisticated code is vital for accu…
View article: Using a citizen science approach to assess nanoplastics pollution in remote high-altitude glaciers
Using a citizen science approach to assess nanoplastics pollution in remote high-altitude glaciers Open
Nanoplastics are suspected to pollute every environment on Earth and reach very remote areas, e.g. via airborne transport. We approached the challenge of measuring environmental nanoplastics by combining high-sensitivity TD-PTR-MS (thermal…
View article: Unchanged PM2.5 levels over Europe during COVID-19 were buffered by ammonia
Unchanged PM2.5 levels over Europe during COVID-19 were buffered by ammonia Open
The coronavirus outbreak in 2020 had devastating impact on human life, albeit a positive effect for the environment reducing emissions of primary aerosols and trace gases and improving air quality. In this paper, we present inverse modelli…
View article: Measurement Report: Changes of ammonia emissions since the 18 <sup>th</sup> century in south-eastern Europe inferred from an Elbrus (Caucasus, Russia) ice core record
Measurement Report: Changes of ammonia emissions since the 18 <sup>th</sup> century in south-eastern Europe inferred from an Elbrus (Caucasus, Russia) ice core record Open
To investigate the historical levels of atmospheric ammonia (NH3) pollution in south-eastern Europe, a 182 m long ice core was extracted from Mount Elbrus in the Caucasus, Russia. This ice core contains a record of ammonium (NH4+) levels f…
View article: FLEXPART version 11: Improved accuracy, efficiency, and flexibility
FLEXPART version 11: Improved accuracy, efficiency, and flexibility Open
Numerical methods and simulation codes are essential for the advancement of our understanding of complex atmospheric processes. As technology and computer hardware continue to evolve, the development of sophisticated code is vital for accu…
View article: Nordstream pipelines CH4 leak estimates and transport uncertainty using ICOS data and the FLEXPART Lagrangian particle dispersion model
Nordstream pipelines CH4 leak estimates and transport uncertainty using ICOS data and the FLEXPART Lagrangian particle dispersion model Open
Following the sabotage of the Nord Stream 1 and 2 subsea pipelines on 26 September 2022, natural gas leaks resulted in unprecedented emissions of methane that were detected by several ICOS stations. As the plume travele…
View article: Potential sources and transport of atmospheric microplastics in the North Atlantic Ocean
Potential sources and transport of atmospheric microplastics in the North Atlantic Ocean Open
The present study held in the frame of the JPI-Oceans FACTS examines the occurrence and long-range transport of microplastics (MP) in the North Atlantic Ocean. During a research cruise in 2021 seven transects along the Norwegian coast up t…
View article: FLEXPART-11: Advancements in a Lagrangian Atmospheric Model for Enhanced Accuracy, Efficiency, and Flexibility
FLEXPART-11: Advancements in a Lagrangian Atmospheric Model for Enhanced Accuracy, Efficiency, and Flexibility Open
Numerical methods and advanced simulation codes play a crucial role in helping us understand complex atmospheric processes. As technology progresses, it's important to develop sophisticated code for accurate and efficient simulations. In t…