# 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 11:06:39 # original profile science log name: f8146.269.20220314T100732.science.mat # profile date(gmt): 14-Mar-2022 00:59:11 # profile lat: 20.2071 # profile lon: -135.0419 # profile number: 269 # 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 3.70000 23.12960 34.24250 23.32535 0.19958 0.00083 216.69527 101.16922 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.95000 23.13240 34.24110 23.32374 0.18235 0.00063 216.53432 101.09640 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.30500 23.13370 34.24185 23.32424 0.18797 0.00069 216.42524 101.04779 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.66000 23.13500 34.24260 23.32475 0.19360 0.00074 216.31616 100.99918 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.32000 23.13470 34.24310 23.32556 0.20912 0.00075 216.36071 101.02010 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.14000 23.13470 34.24090 23.32419 0.19171 0.00065 216.30740 100.99073 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.22000 23.13210 34.24160 23.32566 0.16156 0.00071 216.21115 100.95034 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.32000 23.14470 34.24560 23.32547 0.21780 0.00063 215.83909 100.79644 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.19000 23.15020 34.24420 23.32311 0.21780 0.00055 215.66586 100.71743 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.77000 23.14720 34.24670 23.32613 0.23134 0.00071 215.77722 100.77344 -999.00000 -999.00000 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