# APEX float data from float 8146 (PI: Angelicque White, University of Hawaii) deployed during the Grandients 4 cruise (TN397) in Nov 2021 at ~20N/140W (float is still transmitting data) # Designed float mission: a repeated sequence of burst sampling (~6 profiles/day) of the top 200m for ~ 4-7 days, followed by daily profiles for ~10-14 days # DATA ARE PROVISIONAL AND WILL BE ALTERED AS MORE PROFILES ARE ADDED (eg. drift correction of sensors will likely be performed in the near future) # For questions about float data, please inquire Fernanda Henderikx (fhenderi@hawaii.edu) # date of file creation: 15-Aug-2022 11:06:23 # original profile science log name: f8146.193.20220220T053246.science.mat # profile date(gmt): 20-Feb-2022 02:29:10 # profile lat: 19.2669 # profile lon: -134.6971 # profile number: 193 # Instruments on APEX: SBE41 (ctd), BBFL2 (chl,bbp), C-ROVER (beam attenuation), CRV2K (downwelling irradiance), Aandera 4330 (oxygen) # Applied corrections/calibrations: # chl: counts converted to mg/m3 using factory calibrationsand deep chl values # bbp: vol. scatt. converted to particle backsttering coefficient (bbp) using betasw of Zhang et al (2009) and Xi from Boss and Pegau (2001) # irradiance data: data were qa/qc following protocols of Organelli et al (2016), JTECH # oxygen optode data: salinity and pressure compensation corrections applied using ctd data according to Aandera manual, and air calibrations/Gain corrections following Bushinsky et al (2016) # flag or NaN value: -999 # pressure,temperature,salinity,sigma0,chl,bbp(650nm),[O2],O2sat,particulateBeamAttenuation(650nm),IrradianceCh1,IrradianceCh2,IrradianceCh3,IrradianceCh4 # dbar,degC,psu,kg/m3,mg/m3,1/m,uM/kg,percentsat,1/m,uW/cm2/nm,uW/cm2/nm,uW/cm2/nm,uW/cm2/nm 3.67000 23.44450 34.26400 23.25034 0.16940 0.00050 215.18600 101.01877 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.07000 23.44410 34.26410 23.25086 0.16940 0.00066 215.24048 101.04370 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.10000 23.44250 34.26460 23.25200 0.17824 0.00079 215.12351 100.98775 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.48000 23.44190 34.26570 23.25327 0.20750 0.00074 215.02338 100.94260 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.97000 23.44560 34.26480 23.25185 0.22070 0.00076 214.99828 100.93196 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.23000 23.44480 34.26650 23.25371 0.17692 0.00062 215.04497 100.91464 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.30000 23.37480 34.27600 23.28157 0.20849 0.00075 215.16586 100.88311 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.32000 23.35770 34.28180 23.29122 0.24200 0.00075 215.16075 100.86866 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.19000 23.35210 34.29180 23.30071 0.27178 0.00070 215.25525 100.93777 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.21000 23.39310 34.35020 23.33333 0.32309 0.00088 215.22567 100.97439 -999.00000 -999.00000 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