The EGU General Assembly 2020 will bring together geoscientists from all over the world to one meeting covering all disciplines of the Earth, planetary and space sciences. The EGU aims to provide a forum where scientists, especially early career researchers, can present their work and discuss their ideas with experts in all fields of geoscience.
Meeting website: www.egu2020.eu
SSS5.8: Atmosphere – plant – soil interactions: organic and inorganic carbon in the critical zone
Convener: Chris McCloskey
Co-conveners: Emily Dowdeswell-Downey, Daniel Evans
Description: Soils represent a major terrestrial carbon store and are an essential component of the critical zone: the near-surface terrestrial layer extending from the bedrock through to the lower atmosphere. Carbon fluxes between soils and the atmosphere, hydrosphere, biosphere, and lithosphere are an important element of Earth system processes. Both organic and inorganic carbon plays a critical role at every soil interface at all spatial and temporal scales.
It is essential that we consider the role of carbon in all soil systems, from the microbial and aggregate scale to the catchment and the whole land surface, in order to better understand the interconnectivity between rocks, soils, plants, and the atmosphere. This is particularly important as carbon cycles are facing multiple perturbations, ranging from rapid shifts in land use and management to degradation and long-term environmental and climatic change. Alongside considering individual pools and fluxes we must also integrate them into a fuller, holistic picture of soil carbon.
This session will consider terrestrial carbon pools and dynamics and embrace a range of scales. We welcome contributions that consider carbon fluxes within and between different elements of the critical zone, alongside innovative methods of quantifying and imaging carbon stocks and fluxes. Early career researchers are strongly encouraged to apply, and we seek submissions considering empirical, modelling, or meta-analytical approaches.
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