This is the data as presented and described in Gvakharia, A., Kort, E. A., Smith, M. L., and Conley, S.: Testing and evaluation of a new airborne system for continuous N2O, CO2, CO, and H2O measurements: the Frequent Calibration High-performance Airborne Observation System (FCHAOS), Atmos. Meas. Tech., 11, 6059-6074, https://doi.org/10.5194/amt-11-6059-2018, 2018.



For questions or information, contact the PI Dr. E. A. Kort at eakort@umich.edu



Column names:



"flt"

"yr"

"month"

"day"

"hr"

"min"

"sec"

"time"

"gpstime"



"lat"

"lon"

"gpsalt"

"avialt"



"an2o"

"aco"

"aco2"

"ah2o"



"picco2"

"picch4"

"pich2o"

"wetco2"

"wetch4"

"picpress"

"pictemp"



"o3"

"ozcell_t"

"ozcell_p"

"ozflow"



"ambpress"

"T"

"RH"



"avipress"

"u_speed"

"v_speed"

"iaS"

"tas"

"oat"

"rot"

"vert_speed"

"aviheading"

"mag_var"





"zspeed"

"mspeed"

"gpsheading"

"pitch"

"roll"



Columns 1-9 are flight number and time data, 'time' column is UTC time in seconds since 12:00:00 1/1/1970



Columns 10-13 are location data for latitude (deg), longitude (deg), gps altitude (msl), avionics altitude (feet agl)



Columns 14-17 are Aerodyne data for N2O (ppb), CO (ppb), CO2 (ppm), and H2O (%)



Columns 18-24 are Picarro data for CO2 (ppm), CH4 (ppb), H2O (%), wet molar fraction CO2 and CH4, cell pressure (Torr), and temperature (C)



Columns 25-28 are Ozone data for O3 (ppb), cell temperature (C), pressure (mb), and flow (cc/min)



Columns 29-31 are ambient parameters for pressure (mb), temperature (C), relative humidity (%)



Columns 32-41 are Avionics data for pressure (mb), wind speed (m/s), in air speed (kts), true air speed (kts), outside temperature (K), rotation (deg), vertical speed (ft/sec), magnetic variation (deg)



Columns 42-46 are GPS data for zonal speed (m/s), meridional speed (m/s), heading (deg), pitch (deg), and roll (deg)





Citation for this dataset:



Kort, E.A., Gvakharia, A., Smith, M.L., Conley, S. (2018). Airborne Data from the Fertilizer Emissions Airborne Study (FEAST). Nitrous Oxide, Carbon Dioxide, Carbon Monoxide, Methane, Ozone, Water Vapor, and meteorological variables over the Mississippi River Valley [Data set]. University of Michigan Deep Blue Data Repository. https://doi.org/10.7302/Z2XK8CRG