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Table 2

Specification of the instrumentation used in the study

InstrumentModelVariable(s)aHeightb
3D sonic anemometer Campbell Scientific CSAT3 U, LE, H, P 1.8–5.2 m 
Infrared gas analyzer LI-COR 7500 CO2 0.84–5 m 
HMP45C PRT Ta 1.55–5.3 m 
Humidity probe Honeywell HIH − 4602C RH 1.55–5.3 m 
Infrared sensor IRPT-P3 (Apogee Inc.) Ts, Tc 0.84–5 m 
Pyranometer Kipp and Zonen CM21 Rn 1.4–6.1 m 
SHF plate HFT − 3.1 SHFc 6, 8, 10 cm 
Soil thermocouple Campbell Scientific 107-L SoilTCc 2, 4, 6 cm 
Soil moisture probe Hydra 50 Hz Hydra_Vc 5 cm 
InstrumentModelVariable(s)aHeightb
3D sonic anemometer Campbell Scientific CSAT3 U, LE, H, P 1.8–5.2 m 
Infrared gas analyzer LI-COR 7500 CO2 0.84–5 m 
HMP45C PRT Ta 1.55–5.3 m 
Humidity probe Honeywell HIH − 4602C RH 1.55–5.3 m 
Infrared sensor IRPT-P3 (Apogee Inc.) Ts, Tc 0.84–5 m 
Pyranometer Kipp and Zonen CM21 Rn 1.4–6.1 m 
SHF plate HFT − 3.1 SHFc 6, 8, 10 cm 
Soil thermocouple Campbell Scientific 107-L SoilTCc 2, 4, 6 cm 
Soil moisture probe Hydra 50 Hz Hydra_Vc 5 cm 

aU is wind component; LE, H, and SHF represent latent, sensible, and soil heat flux, respectively; Ta, Ts,, and Tc denote air, surface, and above-canopy temperature, in order; RH stands for relative humidity; Rn is net radiation; SoilTC and Hydra_V represent soil temperature and probe's voltage.

bHeights varied typically year-by-year, site-by-site, and in summer/winter period, and are above-ground measurements.

cDenotes measurements of same variable at different locations.

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