The concentration of volatile organic compounds was measured by a proton transfer reaction time-of-flight mass spectrometer (PTR-ToF-MS) Kore Inc™ (second generation) operated in the PEGASUS mobile la
Transect A is a 20-probes hillslope soil moisture measurement device. 10 pairs of probes are located along the transect, each pair has a 0.2 and 0.4 depth probe.