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Coupled atmosphere biosphere modelling

Coupled atmosphere biosphere modelling. TH, MW, JM, FIW. Coupled modelling. We have created a coupled model of the biosphere and lower atmosphere (CAB)

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Coupled atmosphere biosphere modelling

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  1. Coupled atmosphere biosphere modelling TH, MW, JM, FIW

  2. Coupled modelling • We have created a coupled model of the biosphere and lower atmosphere (CAB) • We have tested the biosphere model against surface flux data from eddy covariance towers in the BOREAS study – no model tuning against fluxes was undertaken. • We have tested the CAB model against surface flux and atmospheric profile data

  3. (ii) CAB model (i) Off-line biosphere model Planetary Boundary Layer model Albedo, LE, Sens. heat, Ts, Evaporation, Transpiration NEP Wind speed, Air temp., PAR, Precipitation, VPD, CO2 conc. Met. data Biosphere model Biosphere model Respiration model Respiration model Model Comparison Model Comparison Flux data Aircraft data, Stand data

  4. SPA Data CAB

  5. Potential Temperature Moisture content [CO2]

  6. Current work & next steps • Bayesian inversion studies to infer land surface exchanges from e.g. atmospheric profile data (now online from UoE aircraft, see next slide) • Sensitivity analyses on atmosphere-biosphere coupling and feedbacks • Using tall tower data to infer regional C sink strength

  7. Atmos. pressure

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