Turnipseed_MetRadiationData Instructions Investigator: Andrew Turnipseed, NCAR/ACD turnip@ucar.edu Filename: Turnipseed_MetRadiationData.csv (comma delimited) Data Interval: 5 min. averages Initial Start time of file: July 1, 2011, 0:00:00 (MST) z denotes measurement height in meters Missing data = -9999 Below measurable limit = -8888 (only on wind speed/direction) Columns: Start_sec: Beginning of 5 min. period (seconds since July 1, 2011, 0:00:00 MST) End_sec: End of 5 min. period (seconds since July 1, 2011, 0:00:00 MST) Mid_sec: Midpoint of 5 min. period (seconds since July 1, 2011, 0:00:00 MST) Date: MM/dd/YY, Time: hh:mm:ss, Beginning of 5 min. period (MST) Day of Year: decimal day, Beginning of 5 min. period (MST) PAR27: Incoming Photosynthetically-active Radiation, units = micromol m-2 s-1, z = 27.8 m T25: Temperature, units = oC, z = 25.1 m T7: Temperature, units = oC, z = 7.0 m RH25: Relative Humidity, units = %, z = 25.1 m RH7: Relative Humidity, units = %, z = 7.0 m WD: Wind Direction, units = degrees from North, z = 25 m Wspd: Wind speed, units = m/s, z = 25 m Press.: Barometric Pressure, units = mbar, z = 9.6 m Precip: Accumulated Precipitation, units = mm, z = 10.8 m Rnet: Net Radiation, units = W m-2, z = 27.8 m Sdir: Direct Beam Photosynthetic-active radiation, units = micromol m-2 s-1, z = 27.8 m Sdiff: Diffuse Beam Photosynthetic-active radiation, units = micromol m-2 s-1, z = 27.8 m PAR2: Averaged incoming Photosynthetic-active radiation, units = micromol m-2 s-1, z = 1.8 m PAR4: Averaged incoming Photosynthetic-active radiation, units = micromol m-2 s-1, z = 3.7 m PAR7: Averaged incoming Photosynthetic-active radiation, units = micromol m-2 s-1, z = 7.0 m Instrumentation: PAR27: Licor 190A quantum sensor T25, T8, RH25, RH8: Vaisala HMP35C WD/Wspd: Met One 034A=L cup/vane anemometer Press: Vaisala PTB101B barometer Precip: TE 525 tipping bucket rain gauge Rnet: REBS Q*7.0 net radiometer Sdir, Sdiff: Delta Instruments BF3 Sunshine sensor PAR2, PAR4, PAR8: Apogee LQS (Line Quantum sensor) Logging: Campbell CR1000 with multiplexer.