Research Groups

Group leader: Christoph Gerbig
The Airborne trace gas measurements and mesoscale modelling (ATM) Group aims at making atmospheric measurements of trace gases relevant for our earth's climate, and to utilize these data in combination with transport models to learn about sources/sinks of greenhouse gases and related tracers, most prominently CO2. On the experimental side this involves high accuracy measurement of trace gases from airborne platforms, but also development and optimization of such instrumentation. On the theoretical side it involves development of analysis tools such as mesoscale tracer transport models coupled to surface flux models. [more]
Group leader: Mathias Göckede
Scales play an important role for the analysis and interpretation of climate-relevant feedback processes between biosphere and atmosphere. Particularly for highly structured domains such as Arctic permafrost landscapes, to accurately predict large-scale, long-term changes in ecosystem functionality, we need to investigate processes at fine-scales to understand the drivers of these changes. Also, new observational insight into links between ecosystem characteristics and carbon and energy processes needs to be assimilated into flexible modeling frameworks, ideally combining the individual advantages of different modeling philosophies. [more]
Project leader: Christian Rödenbeck
Quantification of the large-scale sources and sinks of CO2 and other greenhouse gases is essential to understand the climate system and its feedbacks. Based on measurements of the atmospheric and oceanic trace gas abundance as well as various other data streams, we use statistical inverse methods to obtain data-driven estimates of trace gas exchange fluxes and their relation to climatic controls. [more]
Group Leader: Sönke Zaehle
The Terrestrial Biosphere Modelling Group (TBM) aims at improving the understanding of the interactions of the biogeochemical cycles of carbon, nitrogen and phosphorus at temporal and spatial scales for relevant for the Earth System. To accomplish this goal, the group develops and employs numerical models of terrestrial biosphere processes, and uses observational constraints obtained from biosphere monitoring or ecosystem manipulation to challenge model formulations. An improved representation of key (eco-physiological) processes, in particular those affecting nutrient availability and its role in ecosystem dynamics, is a key component of the group's research. The group investigates the consequences of the coupling of the terrestrial biogeochemical cycles for biogeochemical and biogeophysical interactions with the climate system. [more]
Group leader: Sönke Zaehle
High precision, ground-based, and vertically resolved quasi-continuous atmospheric measurements of biogeochemical trace gases at coastal and continental sites are vital for the study of atmospheric transport, biogeochemical fluxes and human emissions. Our group maintains atmospheric measurement sites and instrumentation with the objective of investigating global climate hot-spots and supporting the global atmospheric observational system. [more]
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