# Informations on the columns of the file «Data_agripv_sirta_turbulence_YYYYMMDD-YYYYMMDD.csv»
- From YYYYMMDD n1 in file name to YYYYMMDD n2, both dates included.
- Date and time (in UTC). Each time stamp correspond to the end time for the 10min period. 
- 3D sonic 10min data calculated from 10Hz raw data
- 2D sonic 10min data calculated from 1s raw data
- SIRTA temperature measurements 

# Instruments
## 4x 3D sonic anemometer (METEK):
 - one on 10m mast NW of AgriPV 
 - one above AgriPV panels (~3m height)
 - one below AgriPV panels (~1.2m height)
 - one on the control zone (~1.2m height)
 
## 2x 2D Gill Weather station:
 - horizontal wind speed and direction
 - temperature measurements
 - one in AgriPV, one in control zone

## 6x temp measurements on 50m mast:
 - 1m, 2m, 5m, 10m, 20m, 30m, 50m heights


# COLUMN INFORMATIONS: 
## 3D sonic anemometer:

### suffix for each sonic:
`_3d_10m`: sonic on 10m mast
`_3dref`: sonic on control zone
`_3dpanel`: sonic above panels
`_3dagri`: sonic below panels
`_3d_10m_mast_NO`: sonic on 50m mast at 10m on boom oriented NO
`_3d_30m_mast_NO`: sonic on 50m mast at 30m on boom oriented NO
`_3d_40m_mast_NO`: sonic on 50m mast at 40m on boom oriented NO
`_3d_40m_mast_SE`: sonic on 50m mast at 40m on boom oriented SE

### variables
- u_wc: "u" eastward wind (m/s)
- v_wc: "v" northward wind (m/s)
- w_wc: "w" vertical wind (m/s)
- temp: sonic temperature (K)
- cor_uv: (u, v) covariance (m²/s²)
- cor_uw: (u, w) covariance (m²/s²)
- cor_vw: (v, w) covariance (m²/s²) 
- cor_uT: (u, sonic temp) covariance (Km/s)
- cor_vT: (u, sonic temp) covariance (Km/s)
- cor_wT: (u, sonic temp) covariance (Km/s)
- var_u: u variance (m²/s²)
- var_v: v variance (m²/s²)
- var_w: w variance (m²/s²)
- var_t: sonic temperature (K²)
- mes: samples
- valid_mes: valid samples 
- wd: wind direction (degree)
- ws_scal: wind speed (10Hz ws mean) (m/s)
- av_uu: average u*u (m²/s²)
- av_vv: average v*v (m²/s²)
- ws_max: wind speed gust (m/s)
- sig_u: u standard deviation (m/s)
- sig_v: v standard deviation (m/s)
- sig_w: w standard deviation (m/s)
- tke: turbulent kinetic energy (m²/s²)
- ws_vect: wind speed (u mean * v mean) (m/s)
- sig_ws: wind speed std (m/s)
- u_star: friction velocity (m/s)
- lmo: Monin-Obukhov length (m)
- sig_wd_G: wind direction std (Gland 83 formula) (degree)
- sig_wd_Y: wind direction std (Yamartino 84 formula) (degree)

## 2D Gill weather station variables:
### suffix for each sonic:
`_2dagri`: below panels
`_2dref`: on control zone

### variables
- u_wc: "u" eastward wind (m/s), calculated using wd and ws
- v_wc: "v" northward wind (m/s), calculated using wd and ws
- temp: sonic temperature (degree C)
- wd: wind direction (degree)
- ws: wind speed (m/s)

## SIRTA 50m mast temperature variables:
- temp_1m_sirta: temperature (degree C)
- temp_2m_sirta: temperature (degree C) 
- temp_5m_sirta: temperature (degree C)
- temp_10m_sirta: temperature (degree C)
- temp_20m_sirta: temperature (degree C)
- temp_30m_sirta: temperature (degree C)
- temp_50m_sirta: temperature (degree C)