# 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 11:08:00 # original profile science log name: f8146.662.20220626T100330.science.mat # profile date(gmt): 26-Jun-2022 07:13:32 # profile lat: 22.778 # profile lon: -137.2854 # profile number: 662 # 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 3.18000 22.56310 34.48650 23.67259 0.13607 0.00050 210.08900 97.28476 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.32000 22.56850 34.48470 23.66998 0.16940 0.00058 209.94396 97.18349 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.53000 22.54230 34.48130 23.67514 0.16159 0.00054 210.20071 97.16220 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.49000 22.39080 34.47930 23.71686 0.16150 0.00046 210.59375 97.21093 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.24000 22.38160 34.47940 23.71981 0.17726 0.00054 210.53107 97.16759 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.98000 22.37260 34.48060 23.72354 0.14520 0.00067 210.59232 97.18511 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.93000 22.36740 34.48050 23.72521 0.13712 0.00067 210.64048 97.19355 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.48000 22.35820 34.47740 23.72572 0.13886 0.00069 210.61930 97.15937 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 41.68000 22.34240 34.47550 23.72898 0.18203 0.00056 210.53456 97.09221 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.73000 22.32310 34.47340 23.73317 0.22439 0.00083 211.30526 97.35799 -999.00000 -999.00000 -999.00000 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