EUCOP 2018 session 5. Interdisciplinary approaches to conceptualize changes and feedbacks in permafrost landscapes

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EUCOP 2018 session 5. Interdisciplinary approaches to conceptualize changes and feedbacks in permafrost landscapes

Douglas, Thomas A ERDC-CRREL-NH
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Colleagues-

Please join Ben Abbott, Yuanchao Fan, and me in an exciting session at next summer's 5th European Conference on Permafrost (EUCOP 2018):
"5. Interdisciplinary approaches to conceptualize changes and feedbacks in permafrost landscapes"

-We will focus on how ecosystem structure and function respond to changing disturbance regimes in permafrost landscapes and seek studies using remote sensing, long-term or chronosequence methods, or process-oriented experiments or models. Additional information on the session is below.

The abstract deadline is November 15th.

The meeting will be held in Chamonix-Mont Blanc, France, 23th June - 1st July 2018. The conference aims at covering all relevant aspects of permafrost research, engineering and outreach on global and regional levels.

Abstracts can be up to 5,000 characters, spaces included, including figures and references.

To submit an abstract please go to:
https://eucop2018.sciencesconf.org/

If you have any questions, please contact [hidden email]

5. Interdisciplinary approaches to conceptualize changes and feedbacks in permafrost landscapes

Thomas A. Douglas (U.S. Army Cold Regions Research and Engineering Laboratory Alaska)
Benjamin W. Abbott (PYRN; Brigham Young University, USA)
Yuanchao Fan (Uni Research Climate & Bjerknes Centre for Climate Research, Bergen, Norway)

Climate change is altering disturbance regimes in permafrost landscapes. Dramatic shifts have been observed or are projected in the timing and severity of wildfire, hydrogeology, and permafrost degradation including active-layer deepening and thermokarst development. These changes may provide significant feedbacks to the Earth system on local to global scales that can shape future climate.

Biogeophysical and biogeochemical processes of permafrost have complex interplays with other ecosystem elements such as vegetation, microorganisms, and hydrological properties. Multiple approaches and disciplines are therefore needed to make meaningful predictions about what permafrost landscapes will look like in the future at decadal to century timescales. Progress is being made toward understanding ecosystem function under historical and current disturbance regimes using remote sensing, pattern and change detection, and chronosequence approaches. Mechanistic and empirical modelling efforts are integrating this understanding to project these trajectories into the future. These approaches often vary between upland, wetland, and lake systems, limiting our ability to project potential future states at landscape and regional scales or incorporate these processes into global frameworks such as Earth System Models (ESM's).

In this interdisciplinary session, we invite presentations investigating how ecosystem structure and function respond to changing disturbance regimes in permafrost landscapes. This includes studies using remote sensing, long-term or chronosequence methods, or process-oriented experiments or models. We are particularly interested in presentations addressing abrupt or nonlinear landscape change in space and time, and efforts towards global-scale assessments (including those using ESM's). A few example questions include: How to identify areas vulnerable to thermokarst based on vegetation-permafrost interactions? How will water availability and flowpaths change? What biogeochemical signals of landscape and hydrologic change can we use to quantify abrupt or nonlinear shifts? How will coupled nutrient and elemental cycles respond to physical and ecological disturbance? We specifically encourage presentations that strive to unify terrestrial and aquatic ecosystems and links with climate cha
 nge at multiple spatial and temporal scales.


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