EGU 2018: Peatland hydrology

2018-04-12 08:00 - 2018-04-13 16:00

European Geosciences Union General Assembly 2018

Vienna | Austria | 8–13 April 2018


Participants arriving at the ACV during the EGU 2017 General Assembly (Credit: Kai Boggild/EGU)

Peatlands develop in specific hydrological settings and react sensitively to changes in climatic and hydrological boundary conditions. The hydrology of peatlands is fundamental to their function and development. Soil hydrological properties can change drastically after human interventions such as drainage, causing challenges for both model parameterization and re-wetting measures. Pristine peatlands offer and regulate a number of ecosystem services such as biodiversity, carbon storage, and nutrient retention. Hydrology is a key control for a number of these services but studies on peatland hydrology are surprisingly scarce. Furthermore, the effects of peatlands (both pristine and disturbed) on flood retention and on regional climate are much debated, but there seem to be more myths than data. As hydrological and biotic processes in peatlands are strongly coupled, estimating the eco-hydrological response of peatlands under climate change and linking it to vegetation development and greenhouse gas emissions is a demanding task for modelers.

This session aims to bring together peatland scientists to focus on improved understanding of hydrological processes operating in all types of peatlands. Peatlands being considered may be pristine or disturbed and degraded and may also include rehabilitation and re-wetting interventions. Hydrological data may have been collected for other reasons (e.g. carbon flux calculations) but the session welcomes re-examination of such hydrological data in its own right or as supporting data for other studies. Results from research focussing on all aspects of peatland hydrology are welcome in this session. Our scale of interest ranges from the plot to the regional scale. Field, laboratory or modeling studies on hydrological, hydrochemical or geophysical topics are welcome. Studies examining hydrological ecosystem service provisions such as nutrient retention or flood protection would be welcome.

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