# 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 11:06:08 # original profile science log name: f8146.124.20220205T014504.science.mat # profile date(gmt): 04-Feb-2022 22:37:29 # profile lat: 19.4559 # profile lon: -134.9654 # profile number: 124 # 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 3.75000 23.48320 34.32900 23.28828 0.22176 0.00071 214.95569 101.02762 0.05002 -999.00000 -999.00000 -999.00000 -999.00000 8.70000 23.48260 34.33030 23.28974 0.23603 0.00076 214.79526 100.96178 0.04971 -999.00000 -999.00000 -999.00000 -999.00000 13.24000 23.48540 34.32860 23.28791 0.19360 0.00075 214.79255 100.96134 0.05082 -999.00000 -999.00000 -999.00000 -999.00000 18.82000 23.48400 34.33030 23.28994 0.22981 0.00071 214.86647 100.99338 0.05016 -999.00000 -999.00000 -999.00000 -999.00000 22.67000 23.48470 34.33020 23.28990 0.25197 0.00083 214.90132 101.01093 0.05122 -999.00000 -999.00000 -999.00000 -999.00000 29.20000 23.48700 34.33000 23.28949 0.21780 0.00072 214.75369 100.94119 0.05729 -999.00000 -999.00000 -999.00000 -999.00000 33.46000 23.48480 34.33080 23.29099 0.23564 0.00063 214.68516 100.91284 0.05148 -999.00000 -999.00000 -999.00000 -999.00000 38.59000 23.49340 34.32910 23.28751 0.26620 0.00075 214.64607 100.90184 0.05114 -999.00000 -999.00000 -999.00000 -999.00000 44.25000 23.49550 34.32840 23.28670 0.24761 0.00074 214.64683 100.90172 0.04877 -999.00000 -999.00000 -999.00000 -999.00000 49.12000 23.49600 34.33140 23.28912 0.25726 0.00058 214.60029 100.88421 0.05008 -999.00000 -999.00000 -999.00000 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