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Arctic Biosphere-Atmosphere Coupling across multiple Scales (ABACUS)

ABACUS is a consortium focused on improving our understanding of the controls on carbon, water, and energy exchange between Arctic ecosystems and the atmosphere. By studying carbon stocks, hydrology, and energy balance, ABACUS aims to predict future states of the Arctic and enhance global climate and vegetation models.

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Arctic Biosphere-Atmosphere Coupling across multiple Scales (ABACUS)

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  1. Arctic Biosphere-Atmosphere Coupling across multiple Scales (ABACUS) Why is this SO important for understanding global change?

  2. Carbon stocks Energy balance Hydrology Current snow (May) Projected snow (2080) Km3 yr-1 discharge Permafrost

  3. This consortium will improve understanding of the controls on carbon, water and energy exchange between arctic terrestrial ecosystems and the atmosphere CARBON CARBON -ecosystem processing of carbon WATER WATER -interactions of topography, hydrology and vegetation Models -upscaling -process integration ENERGY ENERGY -Seasonality of land- atmosphere coupling

  4. Field campaigns

  5. A multiscale approach

  6. Innovative approachesto quantifying C cycling In situ stable isotope labelling & tracing Age of respired carbon The age of organic matter Scottish Universities Environmental Research Centre Accelerator Mass Spectrometry Facility

  7. Linking carbon, water and energy fluxes Radiation, VPD temperature Soils data C=carbon W=water Evap Trans Respa Resph Snow Cfoliage Ppt Clitter Radiation, VPD temperature WS1 GPP Croots Cwood Csoil WS2 WS3

  8. Flux towers/ chambers NEE Net radiation balance LE LAI Soil C Soil temperature, moisture, snow depth Veg. biomass Local Data Assimilation C water energy

  9. Aircraft fluxes NEE Albedo LE Regional Data Assimilation Reflectance (MODIS) Veg. Type (IKONOS) snow depth (altimeter)

  10. IPY ,CTCD, CLASSIC, QUEST SSC CMG PI Williams PM WP1 plants WP2 soils WP3 chambers WP4 towers WP5 aircraft WP6 EO WP7 model WP8 Phoenix Phoenix Wookey Wookey Baxter Baxter Harding Harding Moncrieff Moncrieff Disney Disney Williams Williams PD1 PD2 PD3 PD4 PD5 PD6 PD7 PD8* Ineson Press Garnet Hopkins Ineson Sommerkorn Huntley Mencucinni Lloyd Lindroth Lewis Blythe Management PI Williams

  11. Relevance to IPY The present state of the arctic Quantifying soil C and vegetation cover Understanding of coupled processes Land-atmosphere exchange of C, water and energy Predicting future states of the arctic Improved global climate and vegetation models Understanding past and present arctic change Estimating the age and turnover of soil C

  12. Legacies 1 DATA e.g plot registration of biogeochemical stocks and fluxes 2 MODELS & PREDICTIONS e.g.updated components in JULES 3 TRAINING e.g Linked Post-grad projects 4 OUTREACH e.g. International workshop

  13. US G Shaver T Schuur J Kimball M Stieglitz D McGuire Canada P Grogan Europe T Friborg T Christensen P Crill S Heino T Callaghan A Lindroth M Van Wijk

  14. Arctic Biosphere-Atmosphere Coupling across multiple Scales ABACUS

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