49,1001 Stephens, Britton National Center for Atmospheric Research Medusa Whole Air Flask Sampler ATom 1,1 2017,2,18,2017,11,20 0 Start_UTC, seconds 16 1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0,1.0 -99999,-99999,-99999,-99999,-99999,-99999,-99999,-99999,-99999,-99999,-99999,-99999,-99999,-99999,-99999,-99999 Stop_UTC, seconds Mean_UTC, seconds position, integer upstream_pressure, torr downstream_pressure, torr bypass_pressure, torr sample_pressure, torr flow, L/min flask_pressure, torr O2_N2, per meg Ar_N2, per meg O2_N2_corr, per meg CO2, ppm d13C_CO2, per mil d18O_CO2, per mil D14C_CO2, per mil 0 19 PI_CONTACT_INFO: stephens@ucar.edu PLATFORM: NASA DC-8 aircraft LOCATION: DC-8 location data available at http://espoarchive.nasa.gov/archive/fileinfo/MMS-FlightPath_DC8_20160712.ict ASSOCIATED_DATA: See http://espoarchive.nasa.gov/archive/browse/atom UNCERTAINTY: N/A INSTRUMENT_INFO: N/A DATA_INFO: N/A DM_CONTACT_INFO: stephens@ucar.edu PROJECT_INFO: N/A ULOD_FLAG: -7777 ULOD_VALUE: N/A LLOD_FLAG: -8888 LLOD_VALUE: N/A STIPULATIONS_ON_USE: Until made public, only the ATom science team is allowed to use this data, per the ATom data protocol. OTHER_COMMENTS: Data are start and stop times for individual flask samples taken with Medusa. The Mean_UTC variable is the representative time of each sample as calculated with an averaging kernel. See Bent 2014 (PhD thesis, UCSD) for details. All pressure variables are measured in situ during sampling except for flask_pressure, which is the final pressure of the flask measured during analysis. In each flask the O2/N2 ratio and the Ar/N2 ratio are measured. When necessary a altitude-dependent fractionation correction is applied (O2_N2_corr). CO2 is extracted after CO2 and O2/N2 content analysis for later isotope analysis: d13-CO2, d18O-CO2, and radiocarbon (D14C). REVISION: R1 R1: updated R0: final data. Start_UTC,Stop_UTC,Mean_UTC,position,upstream_pressure,downstream_pressure,bypass_pressure,sample_pressure,flow,flask_pressure,O2_N2,Ar_N2,O2_N2_corr,CO2,d13C_CO2,d18O_CO2,D14C_CO2 33151,34698,34671,1,-99999,3336,170,531,-99999,763,-632.92,10.14,-631.63,405.82,775.6,853.1,-99999 34861,36061,36034,2,-99999,3273,170,531,-99999,754,-631.86,17.33,-632.48,406.14,762.7,844.6,-99999 36342,37551,37524,3,-99999,3232,170,531,-99999,742,-629.15,29.58,-633.02,406.08,750,834.5,-99999 37557,37911,37884,4,-99999,3204,170,530,-99999,741,-639.22,13.43,-638.8,406.74,791.4,833.6,-99999 37917,38200,38173,5,-99999,3189,170,531,-99999,743,-630.79,28.56,-634.39,406.57,787.5,833.2,-99999 38206,38731,38703,6,-99999,3171,170,531,-99999,745,-674.62,10.39,-673.4,408.8,786.8,829.8,-99999 38737,39050,39023,7,-99999,3238,170,531,-99999,744,-624.78,37.18,-630.66,405.8,783.2,831.1,-99999 39057,40341,40314,8,-99999,3261,170,531,-99999,743,-636.3,7.98,-634.44,406.5,788.2,835.6,-99999 40347,41066,41039,9,-99999,3198,170,531,-99999,741,-647.53,22.12,-649.42,408.13,794.4,828,-99999 41073,41453,41425,10,-99999,3187,170,531,-99999,741,-673.48,24.62,-676.03,408.79,788.6,823.4,-99999 41459,41832,41805,11,-99999,3260,170,531,-99999,753,-632.33,19.35,-633.48,406.1,785.2,841,-99999 41838,42247,42220,12,-99999,3264,170,531,-99999,749,-630.57,1.11,-626.89,406.33,790.3,837.2,-99999 42254,43078,43051,13,-99999,3273,170,531,-99999,747,-648.37,6.06,-646,407.03,791.7,839.2,-99999 43084,43345,43318,14,-99999,3250,170,531,-99999,743,-637.49,10.33,-636.25,406.73,791.5,834.5,-99999 43352,43671,43644,15,-99999,3197,170,531,-99999,750,-640.39,17.21,-640.98,407.24,791.9,839.9,-99999 43677,44003,43975,16,-99999,3192,170,531,-99999,735,-672.13,12.96,-671.59,408.4,785.5,827.9,-99999 44014,44376,44349,17,-99999,3233,170,531,-99999,733,-650.92,5,-648.27,407.93,796.9,863.8,-99999 44387,46371,46344,18,-99999,3227,170,531,-99999,777,-638.46,9.01,-636.87,406.69,800.2,896.8,-99999 46382,46650,46623,19,-99999,3218,170,531,-99999,748,-640.85,7.7,-638.91,406.76,798.4,884.7,-99999 46661,47117,47089,20,-99999,3178,170,531,-99999,733,-675.33,9.38,-673.84,409.32,803.1,873,-99999 47128,47604,47576,21,-99999,3184,170,531,-99999,734,-701.02,4.57,-698.25,412.85,799.7,869.5,-99999 47615,47871,47843,22,-99999,3200,170,531,-99999,742,-664.06,18.14,-664.89,408.62,799.4,873.2,-99999 47882,51061,51034,23,-99999,3199,170,531,-99999,730,-667,-3.77,-662.02,409.39,793.7,863.6,-99999 51072,51709,51681,24,-99999,3198,170,531,-99999,730,-679.55,3,-676.37,410.61,792,860.6,-99999 51720,52239,52211,25,-99999,3177,170,531,-99999,731,-696.88,7.32,-694.84,412.19,796.4,857.7,-99999 52250,53010,52982,26,-99999,3214,170,531,-99999,738,-674.32,12.28,-673.6,410.2,793.1,863.7,-99999 53021,54876,54847,27,-99999,2509,140,610,-99999,753,-625.18,-40.64,-614.81,405.7,794.3,824.1,-99999 54887,55386,55358,28,-99999,3220,170,531,-99999,725,-670.75,5.36,-668.19,409.13,776.3,852,-99999 55397,56377,56349,29,-99999,3194,170,531,-99999,-99999,-99999,-99999,-99999,-99999,795.6,854.6,-99999 56388,56541,56514,30,-99999,3198,170,530,-99999,729,-668.3,-0.42,-664.29,409.55,788.5,857.9,-99999 56552,58531,58498,31,-99999,2514,140,610,-99999,736,-605.25,-20.31,-599.34,402.18,790.7,831.8,-99999 58542,58881,58846,32,-99999,2499,140,610,-99999,698,-661.91,6.35,-659.62,408.44,777.3,838.9,-99999