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Open-path analyzers were calibrated approximately every two months with standard CO2 gases and a dew point generator (LI610, LI-COR). The gain of CO2 of the closed-path analyzers was checked once a day by flowing two standard CO2 gases of 320 ppmv and 420 ppmv that were automatically controlled using a CR23X (Campbell). |
| Tower, Electrical power(AC), Facilities for communication(none), Accommodation (none) |