Measurements: | sgp30co2flx60mC1.b1: - height of tower base from sea level(site_elevation)
- corrected sensible heat flux(h)
- latitude of instument location(site_latitude)
- mean value of IRGA pressure(mean_p)
- variance of variable c(var_c)
- Date and time in alternate form(yyyydddhhmmss)
- mean sonic temperature (t), i.e. virtual temperature(mean_t)
- mean horizontal wind speed(mean_rot_u)
- Time offset of tweaks from base_time(time_offset)
- variance of variable q(var_q)
- rotated variance v(var_rot_v)
- fractional day of the year(doy)
- Vertical angle of wind(phi)
- rotated variance w(var_rot_w)
- Monin-Obukhov length scale(Lmoni)
- rotated variance u(var_rot_u)
- Unit Vector Wind Direction(wdir)
- friction velocity(ustar)
- additive WPL LE correction to c flux(fc_wpl_le)
- additive WPL H correction to c flux(fc_wpl_h)
- Time offset from base_time(base_time)
- rotation to zero w(theta)
- longitude of instument location(site_longitude)
- mean co2 concentration (c)(mean_c)
- height of instument from tower base(zm)
- variance of variable t(var_t)
- WPL corrected CO2 flux(fc_corr)
- mean water vapor concentration (q)(mean_q)
- WPL corrected latent heat flux(le)
sgp30co2flx4mC1.b1: - mean value of IRGA pressure(mean_p)
- variance of variable c(var_c)
- variance of variable t(var_t)
- WPL corrected latent heat flux(le)
- mean horizontal wind speed(mean_rot_u)
- Vertical angle of wind(phi)
- Monin-Obukhov length scale(Lmoni)
- variance of variable q(var_q)
- height of instument from tower base(zm)
- longitude of instument location(site_longitude)
- additive WPL LE correction to c flux(fc_wpl_le)
- mean sonic temperature (t), i.e. virtual temperature(mean_t)
- mean water vapor concentration (q)(mean_q)
- corrected sensible heat flux(h)
- additive WPL H correction to c flux(fc_wpl_h)
- Date and time in alternate form(yyyydddhhmmss)
- Unit Vector Wind Direction(wdir)
- mean co2 concentration (c)(mean_c)
- rotated variance w(var_rot_w)
- Time offset from base_time(base_time)
- rotated variance u(var_rot_u)
- rotated variance v(var_rot_v)
- rotation to zero w(theta)
- WPL corrected CO2 flux(fc_corr)
- latitude of instument location(site_latitude)
- Time offset of tweaks from base_time(time_offset)
- friction velocity(ustar)
- height of tower base from sea level(site_elevation)
- fractional day of the year(doy)
sgp30co2flx25mC1.b1: - Time offset from base_time(base_time)
- Monin-Obukhov length scale(Lmoni)
- WPL corrected latent heat flux(le)
- variance of variable t(var_t)
- rotated variance u(var_rot_u)
- Date and time in alternate form(yyyydddhhmmss)
- rotated variance v(var_rot_v)
- Vertical angle of wind(phi)
- Unit Vector Wind Direction(wdir)
- longitude of instument location(site_longitude)
- latitude of instument location(site_latitude)
- WPL corrected CO2 flux(fc_corr)
- height of instument from tower base(zm)
- variance of variable q(var_q)
- friction velocity(ustar)
- variance of variable c(var_c)
- additive WPL LE correction to c flux(fc_wpl_le)
- mean value of IRGA pressure(mean_p)
- rotated variance w(var_rot_w)
- mean sonic temperature (t), i.e. virtual temperature(mean_t)
- fractional day of the year(doy)
- mean co2 concentration (c)(mean_c)
- rotation to zero w(theta)
- mean horizontal wind speed(mean_rot_u)
- height of tower base from sea level(site_elevation)
- corrected sensible heat flux(h)
- additive WPL H correction to c flux(fc_wpl_h)
- mean water vapor concentration (q)(mean_q)
- Time offset of tweaks from base_time(time_offset)
sgp30co2flx4mmetC1.b1: - average of four lower soil moisture sensors(mean_m_soil_lower)
- standard error of mean_t_soil_middle note maximum of two values used in
calculation(stderr_mean_t_soil_middle) - average of two middle soil temperature sensors(mean_t_soil_middle)
- Time offset of tweaks from base_time(time_offset)
- corrected sensible heat flux(h)
- additive WPL H correction to c flux(fc_wpl_h)
- rotated variance v(var_rot_v)
- precipitation accumulated between outputs, 3-hr accumulation(precip)
- additive WPL LE correction to c flux(fc_wpl_le)
- rotated variance u(var_rot_u)
- rotation to zero w(theta)
- standard error of mean_t_soil_lower note maximum of two values used in
calculation(stderr_mean_t_soil_lower) - fractional day of the year(doy)
- WPL corrected CO2 flux(fc_corr)
- depth of soil heat flux probes(z_g_soil)
- height of radiation instruments(zrad)
- net solar radiation (NR-lite)(r_net)
- depth of lower m soil probes p(z_m_soil_lower)
- standard error of mean_m_soil_upper(stderr_mean_m_soil_upper)
- mean co2 concentration (c)(mean_c)
- height of lower RH/T sensor(z_lower)
- Date and time in alternate form(yyyydddhhmmss)
- mean water vapor concentration (q)(mean_q)
- variance of variable c(var_c)
- depth of middle t soil probes m(z_t_soil_middle)
- height of instument from tower base(zm)
- photosynthetic photon flux density (PAR)(ppfd)
- barometric pressure(bar_pres)
- upwelling longwave hemispheric irradiance t_rad corrected(r_up_long_hemisp)
- latitude of instument location(site_latitude)
- mean air temperature, upper level(t_air_upper)
- average of two lower soil temperature sensors(mean_t_soil_lower)
- Unit Vector Wind Direction(wdir)
- standard error of mean_t_soil_upper note maximum of two values used in
calculation(stderr_mean_t_soil_upper) - mean horizontal wind speed(mean_rot_u)
- mean sonic temperature (t), i.e. virtual temperature(mean_t)
- upwelling shortwave hemispheric irradiance t_rad corrected(r_up_short_hemisp)
- mean relative humidity, lower level(rh_lower)
- mean air temperature, lower level(t_air_lower)
- rotated variance w(var_rot_w)
- WPL corrected latent heat flux(le)
- mean value of IRGA pressure(mean_p)
- downwelling shortwave hemispheric irradiance t_rad corrected(r_down_short_hemisp)
- friction velocity(ustar)
- Time offset from base_time(base_time)
- height of upper RH/T sensor(z_upper)
- height of tower base from sea level(site_elevation)
- variance of variable q(var_q)
- standard error of mean_g_soil(stderr_mean_g_soil)
- radiometer body temperature (for longwave correction)(t_rad)
- longitude of instument location(site_longitude)
- variance of variable t(var_t)
- downwelling longwave hemispheric irradiance t_rad corrected(r_down_long_hemisp)
- average of four upper soil moisture sensors(mean_m_soil_upper)
- average of up to four soil heat flux sensors(mean_g_soil)
- total downwelling shortwave radiation (LI-200 sensor)(r_tot)
- depth of upper t soil probes m(z_t_soil_upper)
- depth of upper m soil probes m(z_m_soil_upper)
- Vertical angle of wind(phi)
- depth of lower t soil probes m(z_t_soil_lower)
- mean relative humidity, upper level(rh_upper)
- standard error of mean_m_soil_lower(stderr_mean_m_soil_lower)
- average of two upper soil temperature sensors(mean_t_soil_upper)
- Monin-Obukhov length scale(Lmoni)
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