#US-WCr Willow Creek 10 Hz Flux Data - http://ameriflux.ornl.gov/fullsiteinfo.php?sid=101 - http://fluxnet.ornl.gov/site/1102 - http://flux.aos.wisc.edu/twiki/bin/view/Main/ChEASData #Latitude: 45.8060, Longitude: -90.0798, Elevation: 515 m, Vegetation: Mixed Forest / Northern Hardwood #Tower measurement height: 29.6 m Canopy height: 24.2 m Flux instrumentation: Campbell CSAT-3 Sonic, LI-6262 closed path IRGA #Tube length is 1 m, radius 0.0032 m, teflon tubing located < 10 cm behind and slightly below sonic #Sonic is pointed toward 242 degrees from true north #Pump: KNF Neuburger diaphragm pump, ~9 LPM #Data Output On Feb2013 revision: Mon Feb 25 21:54:14 2013 #Contact Information: Ankur R Desai desai@aos.wisc.edu #Missing or invalid data is reported as -999.0. Data starts on line 29 #Time is recorded at the beginning of time period. The sampling interval is 0.1 s. #Timezone is UTC Time # # Year : 2012 DOY: 182 Month: 06 Day: 30 # Data column Information # 1 Hour UTC time HH # 2 Minute UTC time MM # 3 Second UTC time SS.S # 4 HourFrac UTC time HH.HHHHHH # 5 U Sonic wind speed into sonic m s-1 # 6 V Sonic wind speed cross sonic (right hand rule) m s-1 # 7 W Sonic vertical wind speed m s-1 # 8 Tsonic Sonic temperature degrees C # 9 CO2 IRGA CO2 mixing ratio in dry air (calibrated) ppm # 10 Q IRGA H2O mixing ratio (calibrated) g kg-1 # 11 Licor_T IRGA cell temperature degrees C # 12 Licor_P IRGA cell pressure kPa # #US-WCr Willow Creek 1 Min Tower Top Data - http://ameriflux.ornl.gov/fullsiteinfo.php?sid=101 - http://fluxnet.ornl.gov/site/1102 - http://flux.aos.wisc.edu/twiki/bin/view/Main/ChEASData #Latitude: 45.8060, Longitude: -90.0798, Elevation: 515 m, Vegetation: Mixed Forest / Northern Hardwood #Tower measurement height: 29.6 m Canopy height: 24.2 m #Data Output On Feb2013 revision: Mon Feb 25 21:54:31 2013 #Contact Information: Ankur R Desai desai@aos.wisc.edu #Missing or invalid data is reported as -999.0. Data starts on line 32 #Time is recorded at the beginning of time period. The sampling interval is 1 s, averaging interval is 1 minute. #CO2 mixing ratios derived from calibrated LI-6251 profile, interpolated to 3 minute averaging and resampling to 1 minute #Calibrated CO2 is referenced every 40 minutes and against 3 standards every 3 hours #Timezone is UTC Time # # Year : 2012 DOY: 182 Month: 06 Day: 30 # Data column Information # 1 Hour UTC time HH # 2 Minute UTC time MM # 3 HourFrac UTC time HH.HHHHHH # 4 Tair Vaisala Air temperature at 29.6 m degrees C # 5 Press Vaisala Air Pressure at 29.6 m (not sea-level) kPa # 6 RH Vaisala Relative Humidity percent # 7 Q Water vapor mixing ratio g kg-1 # 8 PAR Licor incoming PAR umol m-2 s-1 # 9 Solar_In CNR-1 shortwave In W m-2 # 10 CO2_30 CO2 mixing ratio at 29.6 m (97 ft) ppm # 11 CO2_21 CO2 mixing ratio at 21.3 m (70 ft) ppm # 12 CO2_14 CO2 mixing ratio at 13.7 m (45 ft) ppm # 13 CO2_8 CO2 mixing ratio at 7.6 m (25 ft) ppm # 14 CO2_3 CO2 mixing ratio at 3.0 m (10 ft) ppm # 15 CO2_1.5 CO2 mixing ratio at 1.5 m (5 ft) ppm # 16 CO2_0.6 CO2 mixing ratio at 0.6 m (2 ft) ppm #