Peatland hydrology is a key control on peatland vegetation, carbon cycling and greenhouse gas exchange. Peatland hydrology can change substantially following drainage, restoration, permafrost thaw and other disturbances, as well as in response to changes in precipitation and evapotranspiration. These changes affect not only water-table depth but also peat hydraulic properties, groundwater and surface-water exchange, runoff and hydrological connectivity.

This session brings together studies of hydrological processes in peatlands across tropical, temperate, boreal and subarctic regions. Studies from tropical, permafrost and other regions where peatland hydrology remains poorly observed are particularly encouraged, as are studies evaluating hydrological responses to disturbance, climate change and restoration.

We welcome contributions from pristine, drained, degraded, managed and restored peatlands. Topics may include:

- water-table dynamics,
- peat hydraulic properties,
- groundwater–surface water interactions,
- aquifer–peatland connectivity,
- evapotranspiration,
- runoff and streamflow,
- as well as interactions between hydrology, vegetation, biogeochemistry and greenhouse gas exchange.

We particularly welcome studies that consider hydrological processes below the near-surface peat layer and interactions between peatlands and the surrounding groundwater and surface-water systems.

We invite field and laboratory studies, long-term observations, remote sensing, geophysical methods and modelling approaches across scales from pore and individual peat profiles to catchments and continental regions.