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[ID: 429] Evidence-based Decision Support for Hydrological Ecosystem Services from Wetlands

PI: Kevin Bishop

The capacity of wetlands to moderate extremes of flood and drought is an important rationale for including wetland restoration and construction in major climate adaptation investments being funded by Swedish authorities. This project will make use of our experience in analyzing high-resolution runoff data (e.g. Karlsen et al., 2019) to determine the storage and release characteristics of wetland catchments and define parsimonious modeling strategies to quantify this function in peatlands and wetlands. These models will be used to explore how different types of wetlands will function under future climate conditions in differnet topographic settings. The results of these detailed studies will then be used to improve the representation of wetlands in the landscape scale hydrological modeling system S-Hype.


[ID: 375] Summer Interns France

PI: Kevin Bishop

Students from ENGEES and other French Universities do 3 month internships based at the Vindeln Experimental Forests. Kevin Bishop has been utilizing these students since 2011 to assist in field projects related to hydrology, carbon and mercury

HydrologyCarbonMercuryENGEESSLU NJ Ämne Miljöanalys

[ID: 294] Inside the black box: assessing the stability of the greenhouse gases storage in northern peatland.

PI: Audrey Campeau

Sweden is dotted with thousands of peatlands, acting as localized reservoirs of soil organic carbon and its decomposition end-products; carbon dioxide (CO2) and methane (CH4), two potent greenhouse gases (GHG). The stability of this vast GHG storage is critical to limit the current growth in atmospheric climate forcing. This project sets out to assess the stability of the GHG storage within two contrasting peatlands types, a northern poor fen (Degerö Stormyr - Sweden) and an ombrotrophic bog (Mer Bleue- Canada). This will be achieved through the use of new sensor technology, allowing to continuously measure CO2 concentrations at different depths across vertical peat profiles. The preliminary data reveals rapid sequential losses in CO2 concentrations, from the surface down to 1.5m depth at Degerö Stormyr. These losses reoccur every year at the same period, mostly in autumn, when the thermal stratification of the peat profile is removed by surface cooling. The estimated loss of CO2 from the catotelm during those events is sufficiently large to neutralize the peatland’s annual C sink. These results indicate that the hydrological and physical processes controlling the storage and transport of GHG in the catotelm have not been well understood. This raises concerns regarding the stability of the GHG storage in northern peatlands, which appear far more dynamic than currently assumed.

PeatlandsGreenhouse GasesHydrology

[ID: 153] Climate extremes and runoff hydrology

PI: Hjalmar Laudon

Using the unique hydrological database from Krycklan to evaluate the role of catchment characteristics on runoff dynamics.

Hydrologyrunoff extremeswetlands