Workshop on Vegetation-Soil Interactions in High Latitudes, 22–24 October 2013


Location: Stockholm University, 22–24 October 2013

Organization: Christian Beer, ITM, SU, Stockholm and Victor Brovkin, MPI-M, Hamburg



Tusday, Octobrer 22, 2013 – room Y21
12.00–13.00   Lunch and welcome
13.00–14.00   Welcome and introduction  
13.00–13.10   Welcome to the Bert Bolin Centre for Climate Research, Stockholm University – Alasdair Skelton
13.10–13.20   Introduction, backgrounds and research interests  

Motivation: Key elements for reliable projection of future carbon dynamics in high latitudes

Workshop aims and program structure

– Christian Beer & Victor Brovkin
13.40–13.50   Feedback to the program and discussion of workshop motivation  
13.50–16.00   Permafrost-vegetation interaction mediated by disturbance Victor Brovkin
13.50–14.10   Modeling disturbance legacies, mortality, and successional effects in boreal forests – Ben Bond-Lamberty
14.10–14.20   Fire-induced changes in vegetation cover and soil in the Kolyma region – Nikita Mergelov
14.20–14.40   Feedbacks between vegetation, fire and permafrost in the updated LPJmL model –Kirsten Thonicke 
14.40–14.50   Improving high-latitude dynamic vegetation in ORCHIDEE – Dan Zhu
14.50–15.10   Discussion & Wrap up  
15.10–15.40   Coffee  
16.00–17.00   Vegetation dynamics and interactions with climate – Christian Knoblauch
15.40–16.00   Vegetation responses to increased nutrient availability from thawing permafrost – Frida Keuper
16.00–16.20   Tundra shrubification and tree-line advance amplify arctic climate warming: Results from an individual-based dynamic vegetation model – Wenxin Zhang 
16.20–16.40   Process-based modelling of lichen and bryophyte productivity at the global scale – Philipp Porada 
16.40–17.00   Discussion & Wrap up  


Wednesday, October 23, 2013 – room Y21
9.00–10.40   Expansion to other Earth system components – Frida Keuper

Consideration of thawing permafrost carbon and lateral transport, coastal erosion and shallow subsea pools

– Örjan Gustafsson
9.20–9.40   Using a coupled regional climate and vegetation model to assess the future of Arctic terrestrial ecosystem carbon exchange – Wenxin Zhang
9.40–10.00   Discussion & Wrap up  
10.00–10.30   Coffee  
10.30–12.00   Soil climate changes – Wenxin Zhang
10.30–10.50   Land surface temperature changes at high latitudes from satellite remote sensing – Claude Duguay
10.50–11.10   Do we get the right permafrost thermal dynamics in models? – Sushi Peng
11.10–11.30   Land surface parameter trend analysis on pan-arctic scale and local scale water body change mapping – Sören Hese
11.30–12.00   Discussion & wrap up  
12.00–13.00   Lunch  
13.00–15.00   Soil organic matter state, dynamics and processes – Philipp Porada
13.00–13.10   Potential effects of root-exudates on respiration of old permafrost SOM – Frida Keuper
13.10–13.30   Turnover of organic matter in thawing permafrost under aerobic and anaerobic conditions: implications for the long term stability of permafrost carbon – Christian Knoblauch
13.30–13.50   Soil organic carbon pools in northern permafrost – Peter Kuhry
13.50–14.00   Soil formation and carbon storage in the Kolyma region – Nikita Mergelov
14.00–14.20   Dynamic modelling of wetland extent and peat accumulation – Thomas Kleinen
14.20–14.40   Modelling of methane emissions from wetlands in boreal regions under RCP scenarios – Alexey Eliseev
14.40–15.00   Discussion & wrap up  
15.00–15.30   Coffee  

Breakout groups

a) Thomas Kleinen: Landscape heterogeneity, e.g. how to represent wetlands
b) NN: Soil processes, organic matter dynamics



Thursday, October 24, 2013 – room U27
9.00–9.30   Considerations of the controls, mechanisms and magnitudes of CH4 to the atmosphere from Arctic lakes – Patrick Crill

Report, discussion and summary of breakout groups

– Christian Beer
9.30–10.00   BS 1 report & discussion  
10.00–10.30   Coffee  
10.30–11.00   BS 2 report & discussion  
11.00–12.00   Workshop synthesis  
12.00–13.00   Lunch and goodbye  
Download the program
Bolin Centre for Climate Research
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