Esquema Do Ibis

ATMOSPHERE

IBIS Structure

(prescribed atmospheric datasetes)

Gross photosynthesis, foliage respiration, & optimal C:N ratios for each plant functional type

Canopy physics Energy balance

Water balance

Aerodynamics

Soil physics Energy balance

LAND SURFACE MODULE

vegetation structure and biomass

Water balance

VEGETATION DYNAMICS MODULE gross primary production

allocation and turnover

net primary production

total respiration

mortality & disturbance

growth of leaves Stems & roots

nitrogen supply

litter fall

Plant physiology Photosynthesis & leaf respirations

Stomatal conductance

Canopy nitrogen allocation

BELOWGROUND CARBON & NITROGEN CYCLING MODULE carbon cycling decomposition of litter & soil organic matter

Temperature, photosynthesis

daily LAI

nitrogen cycling budburst

t ~ minutes to hours

soil respiration

senescence

dormancy

t ~ days to weeks

nitrogem mineralization

nitrification

t ~ years

denitrification