A5038400273- Atmospheric and Environmental Gas Dynamics
- Atmospheric chemistry and aerosols
- Climate variability and models
- Plant Water Relations and Carbon Dynamics
- Odor and Emission Control Technologies
- CO2 Sequestration and Geologic Interactions
- Meteorological Phenomena and Simulations
- Cryospheric studies and observations
- Methane Hydrates and Related Phenomena
- Vehicle emissions and performance
- Science and Climate Studies
- Climate change and permafrost
- Hydrology and Watershed Management Studies
- Spectroscopy and Laser Applications
Wageningen University & Research
2022-2025
Abstract Vegetation and atmosphere processes are coupled through a myriad of interactions linking plant transpiration, carbon dioxide assimilation, turbulent transport moisture, heat atmospheric constituents, aerosol formation, moist convection, precipitation. Advances in our understanding hampered by discipline barriers challenges the role small spatiotemporal scales. In this perspective, we propose to study atmosphere–ecosystem interaction as continuum integrating leaf regional scales...
Abstract. The exchange ratio (ER) between atmospheric O2 and CO2 is a useful tracer for better understanding the carbon budget on global local scales. variability of ER (in mol per CO2) terrestrial ecosystems not well known, there no consensus how to derive signal an ecosystem, as are different approaches available, either based concentration (ERatmos) or flux measurements (ERforest). In this study we measured concentrations at two heights (23 125 m) above boreal forest in Hyytiälä, Finland....
Siberia’s extensive wetlands, permafrost, and boreal forests are significant sources of methane, positioning this region as crucial for global methane (CH4) monitoring. However, Siberia remains sparsely monitored by atmospheric ecosystem observatories, highlighting the need to leverage existing datasets refine CH4 budgets with better spatial temporal precision. Utilising ZOtino Tall Tower Observatory (ZOTTO; 60°48' N, 89°21' E) dataset, which provides continuous,...
Atmospheric oxygen (O2) allows to separate the natural and anthropogenic components in atmospheric CO2 signal, thereby providing additional constraints on these processes global carbon cycle. This is enabled through ratio of O2 cycle processes: Exchange Ratio (ER). ER signal has distinct values for combustion different fossil fuel types, as well between photosynthesis respiration processes. Using signals, we aim further explore potential using observations emission verification. For that,...
Abstract. The exchange ratio (ER) between atmospheric O2 and CO2 is a useful tracer on global local scales to better understand the carbon budget. variability of ER (in mol per CO2) terrestrial ecosystems not well-known, there no consensus how derive signal represent an ecosystem, as are different approaches available, either based concentration (ERatmos) or flux measurements (ERforest). In this study we measured concentrations at two heights above boreal forest in Hyytiälä, Finland. Such...
The ratios of atmospheric tracers are often used to interpret the local CO2 budget, where measurements at a single height assumed represent flux signatures. Alternatively, these signatures can be derived from direct or using fluxes multiple heights. In this study, we contrast interpretation surface exchange tracer ratio versus Specifically, analyse between O2 and (exchange ratio, ER) above forest canopy. We consider two alternative approaches: (ERforest) obtained CO2, their vertical...
Diurnal temperature and carbon dioxide ranges are key metrics to quantify the impact of regional climate changes in forests. These depend on biophysical processes, surface heat, water exchange, boundary-layer dynamics. A crucial elusive process is entrainment air from free troposphere residual layers into atmospheric boundary layer. Here we provide observational constraints for two contrasting measurement sites: Amazon Tall Tower Observatory (ATTO) central Amazonia Loobos flux tower (NL-Loo)...
Abstract. Atmospheric tracers are often used to interpret the local CO2 budget, where measurements at a single height assumed represent flux signatures. Alternatively, these signatures can be derived from direct or by using fluxes multiple heights. In this study, we contrast interpretation of surface exchange tracer Specifically, analyse ratio between atmospheric O2 and (exchange ratio, ER) above forest. We consider following two alternative approaches: forest (ERforest) obtained heights,...
Abstract. The ratios of atmospheric tracers are often used to interpret the local CO2 budget, where measurements at a single height assumed represent flux signatures. Alternatively, these signatures can be derived from direct or using fluxes multiple heights. In this study, we contrast interpretation surface exchange tracer ratio versus Specifically, analyse between O2 and (exchange ratio, ER) above forest canopy. We consider two alternative approaches: (ERforest) obtained CO2, their...