Hypotheses/Objectives
How do surface processes and boundary-layer development interact to modulate NEE of CO2?
- Observe and simulate these interactions.
Can we determine the concentration of CO2 above the ABL to test the ‘rectifier effect’?
- Derive tropospheric CO2 mixing ratios via estimates of the entrainment flux and compare to modeled values.
Do these results vary across North America and/or across ecosystems? Can the methods be extended to small towers?
- Test these hypotheses at Walker Branch and ARM/CART.