Raw measurements
Eddy covariance variableUnitsResolutionAcronym
Wind speed components m s-1 10 Hz u, v, w
Sonic temperature K 10 Hz Ts
Diagnostics - 10 Hz AnemometerDiag
Particle concentration particles cm-3 1-10 Hz p_EC
Chemically resolved concentrations μg m-3 Not fixed xx_EC
Operational variables (e.g. instrument temperature, pressure, differences, water removal, line pressure) - 10 min -
Externally measured volumetric flow rate slpm 10 min SLPM
Lidar variable
Particle backscatter profile km-1 sr-1 5 s beta_p_lidar
Particle backscatter gradient km-1 sr-1 d_beta_p_lidar
Backscatter fluctuation profile km-1 sr-1 5 s fluct_beta_p_lidar
Vertical wind m s-1 5 s w_lidar
Derived products
Eddy covariance variableUnitsResolutionAcronym
Particle flux (level 1) particles m-2 s-1 30-60 min F_p_EC_l1
Particle flux (level 2) particles m-2 s-1 30-60 min F_p_EC_l1
Particle concentration particles m-3 30-60 min C_p_EC
Particle standard deviation particles m-3 30-60 min std_p_EC
Random error for particle flux particles m-2 s-1 30-60 min F_p_EC_l1
Time lag for particle flux particles m-2 s-1 30-60 min F_p_EC_l1
Friction velocity m s-1 30-60 min u_star
Sensible heat flux W m-2 30-60 min H
Mean wind components m s-1 30-60 min u_mean, v_mean, w_mean
Mean wind speed m s-1 30-60 min U
Mean wind direction degree 30-60 min WD
Mean sonic temperature K 30-60 min Ts_mean
Chemically resolved particle concentrations μg m-3 30-60 min C_xx_EC
Chemically resolved particle standard deviation μg m-3 30-60 min std_xx_EC
Chemically resolved particle fluxes μg m-2 s-1 30-60 min F_xx_EC
Lidar variable
Particle type classification profile 1 60-90 min type_p_lidar
Particle concentration profile μm-3 60-90 min c_p_lidar
Particle concentration uncertainty μm-3 60-90 min std_p_lidar
beta-w-covariance km-1 sr-1 m s-1 60-90 min beta_w_cov
beta-w-covariance sampling error (noise) km-1 sr-1 m s-1 60-90 min se_beta_w_cov
beta-w-covariance flux error (systematic) km-1 sr-1 m s-1 60-90 min fe_beta_w_cov
Particle flux profile (from the EC method) μg m-2 s-1 60-90 min F_p_lidar
Particle flux profile (from gradient method) μg m-2 s-1 60-90 min F_p_lidar
TKE profile m-2 s-2 30 min tke_lidar

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