VARIABLE;METH_DESCR AirFlux_CO2_7.4m_Avg30min;CO2 FLUX in micro mol CO2 per m-2 per second measured on an Eddy flux tower 7.4 m above ground, as an average of 30 minutes AirFlux_CH4_7.6m_Avg30min;CH4 FLUX in micromol CO4 per m-2 per second measured on an Eddy flux tower 7.6 m above ground, as an average of 30 minutes