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Metadata: 4/5

Hyytiälä SMEAR II eddy mast 23.3 m - Latent heat flux - 2002

Title: Latent heat flux Description: Latent heat flux, mast / tall tower 23 m height, primary flux measuring setup Variable: LE Unit: W m⁻² Source: Gill Solent 1012R anemometer/thermometer & LI-COR LI-6262 gas analyzer Category: Flux

Metadata: 4/5

Hyytiälä SMEAR II eddy mast 23.3 m - Std of H2O concentration - 2012

Title: Std of H2O concentration Description: Standard deviation of water vapor concentration, mast / tall tower 23 m height, primary flux measuring setup Variable: std_h Unit: mmol mol⁻¹ Source: LI-COR LI-6262 gas analyzer Category: Flux ancillary data

Metadata: 4/5

Hyytiälä SMEAR II eddy radiation tower - H2O concentration (2) - 2014

Title: H2O concentration (2) Description: 30 min average of water vapour concentration, radiation tower 23 m height, secondary flux measuring setup Variable: av_h_radtow Unit: mmol mol⁻¹ Source: LI-COR LI-6262 gas analyzer Category: Flux ancillary data

Metadata: 4/5

Hyytiälä SMEAR II eddy mast 23.3 m - IRGA temperature - 2004

Title: IRGA temperature Description: Average of IRGA sampling cell temperature, mast / tall tower 23 m height, primary flux measuring setup Variable: licor_t_av Unit: °C Source: LI-COR LI-6262 gas analyzer Category: Flux ancillary data

Metadata: 4/5

Hyytiälä SMEAR II eddy radiation tower - O3 flux - 2005

Title: O3 flux Description: Ozone flux, radiation tower 23 m height Variable: F_O3_radtow Unit: nmol m s⁻¹ Source: Gill Solent HS1199 anemo-/thermometer & Unisearch Associates LOZ-3 gas analyzer Category: Flux

Metadata: 4/5

Hyytiälä SMEAR II eddy mast 23.3 m - Particle time lag - 2012

Title: Particle time lag Description: Particle time lag, mast / tall tower 23 m height Variable: CPC_lag Unit: datapoints Source: Gill Solent 1012R anemometer/thermometer & TSI CPC analyzer Category: Flux ancillary data

Metadata: 4/5

Hyytiälä SMEAR II eddy mast 23.3 m - ET gapfilling method - 2003

Title: ET gapfilling method Description: Evapotranspiration gapfilling method; 0 = measured flux with storage change added, 1 = nonlinear regressions, 2 = mean diurnal variability Variable: Qc_gapf_ET Unit: Source: ET_gapf Category: Flux

Metadata: 4/5

Hyytiälä SMEAR II eddy radiation tower - Std of H2O concentration (2) - 2009

Title: Std of H2O concentration (2) Description: Standard deviation of water vapour concentration, radiation tower 23 m height, secondary flux measuring setup Variable: std_h_radtow Unit: mmol mol⁻¹ Source: LI-COR LI-6262 gas analyzer Category: Flux ancillary data

Metadata: 4/5

Hyytiälä SMEAR II eddy subcanopy - Wind component w (subcanopy) - 2014

Title: Wind component w (subcanopy) Description: Average of vertical wind component w (before coordinate rotation) at 3 m height, subcanopy flux measurement Variable: av_w_subm Unit: m s⁻¹ Source: Metek USA-1 anemometer/thermometer Category: Flux ancillary data

Metadata: 4/5

Hyytiälä SMEAR II eddy mast 23.3 m - IRGA pressure - 2008

Title: IRGA pressure Description: Average of IRGA sampling cell pressure, mast / tall tower 23 m height, primary flux measuring setup Variable: licor_p_av Unit: kPa Source: LI-COR LI-6262 gas analyzer Category: Flux ancillary data

Metadata: 4/5

Hyytiälä SMEAR II eddy mast 23.3 m - Wind speed - 2013

Title: Wind speed Description: Wind speed, mast / tall tower 23 m height, primary flux measuring setup Variable: U Unit: m s⁻¹ Source: Gill Solent 1012R anemometer/thermometer Category: Flux

Metadata: 4/5

Hyytiälä SMEAR II eddy radiation tower - Gross primary production (2) - 2006

Title: Gross primary production (2) Description: Gross primary production derived from net ecosystem exchange, secondary flux measurement Variable: GPP_radtow Unit: µmol m⁻² s⁻¹ Source: F_c_radtow,u_star_radtow,MO_length_radtow,PAR,Glob,T168,tsoil_humus Category: Flux

Metadata: 4/5

Hyytiälä SMEAR II eddy radiation tower - Gross primary production (2) - 2004

Title: Gross primary production (2) Description: Gross primary production derived from net ecosystem exchange, secondary flux measurement Variable: GPP_radtow Unit: µmol m⁻² s⁻¹ Source: F_c_radtow,u_star_radtow,MO_length_radtow,PAR,Glob,T168,tsoil_humus Category: Flux

Metadata: 4/5

Hyytiälä SMEAR II eddy radiation tower - CO2 time lag (2) - 2012

Title: CO2 time lag (2) Description: Carbon dioxide time lag, radiation tower 23 m height, secondary flux measurement Variable: c_lag_radtow Unit: datapoints Source: Gill Solent HS1199 anemometer/thermometer & LI-COR LI-6262 gas analyzer Category: Flux ancillary data

Metadata: 4/5

Hyytiälä SMEAR II eddy radiation tower - Wind direction (2) - 2010

Title: Wind direction (2) Description: 30 min average horizontal wind direction, radiation tower 23 m height, secondary flux measuring setup Variable: wind_dir_radtow Unit: ° Source: Gill Solent HS1199 anemometer/thermometer Category: Flux

Metadata: 4/5

Hyytiälä SMEAR II eddy radiation tower - O3 flux - 2002

Title: O3 flux Description: Ozone flux, radiation tower 23 m height Variable: F_O3_radtow Unit: nmol m s⁻¹ Source: Gill Solent HS1199 anemo-/thermometer & Unisearch Associates LOZ-3 gas analyzer Category: Flux

Metadata: 4/5

Hyytiälä SMEAR II eddy mast 23.3 m - CO2 flux - 2008

Title: CO2 flux Description: Carbon dioxide flux, mast / tall tower 23 m height, primary flux measuring setup Variable: F_c Unit: µmol m⁻² s⁻¹ Source: Gill Solent 1012R anemometer/thermometer & LI-COR LI-6262 gas analyzer Category: Flux

Metadata: 4/5

Hyytiälä SMEAR II eddy mast 23.3 m - H2O flux - 2009

Title: H2O flux Description: Evapotranspiration, mast / tall tower 23 m height, primary flux measuring setup Variable: E Unit: mmol m⁻² s⁻¹ Source: Gill Solent 1012R anemometer/thermometer & LI-COR LI-6262 gas analyzer Category: Flux

Metadata: 4/5

Hyytiälä SMEAR II eddy radiation tower - Wind component u (2) - 2007

Title: Wind component u (2) Description: Average of horizontal wind component u (before coordinate rotation), radiation tower 23 m height, secondary flux measuring setup Variable: av_u_radtow Unit: m s⁻¹ Source: Gill Solent HS1199 anemometer/thermometer Category: Flux ancillary data

Metadata: 4/5

Hyytiälä SMEAR II eddy mast 23.3 m - Std of IRGA temperature - 2007

Title: Std of IRGA temperature Description: Standard deviation of IRGA sampling cell temperature, mast / tall tower 23 m height, primary flux measuring setup Variable: licor_t_std Unit: °C Source: LI-COR LI-6262 gas analyzer Category: Flux ancillary data

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