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  • iLEAPS is the land atmosphere interface core project of the International Geosphere-Biosphere Programme (IGBP) which initiated in March 2004 and will last 10 years. The iLEAPS Science Plan cover the basic processes that link atmospheric- biospheric exchange, interaction and feedbacks, thereby affecting climate, hydrological cycle and tropospheric chemistry. iLEAPS has close linkages to other projects such as
Internacional Global Atmospheric Chemistry IGAC II
Surface Ocean - Lower Atmosphere Study SOLAS
The Global Land Project LAND
Global Energy and Water Cycle Experiment GEWEX

  • Central questions addressed by IANABIS linked to the iLEAPS Science Plan.

    • Key Question 1
    What are the critical processes involved in biosphere/atmosphere interactions controlled by (i) aerosol emissions and feedbacks and by (ii) cloud formations and precipitation patterns?

    Key Question 2
    What are the net effects of radiative forcing of sulfate, smoke, and dust particles considering the interactive, non-linear effects of greenhouse gases?

    Key Question 3
    What are the short-term and long-term effects of the aerosol burden (considering primary and secondary aerosols) on the radiative balance at the local, regional and continental scale and how do changes in surface cover feedback on aerosol burden?