# 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 11:06:42 # original profile science log name: f8146.284.20220323T224356.science.mat # profile date(gmt): 23-Mar-2022 00:11:59 # profile lat: 20.5221 # profile lon: -135.4762 # profile number: 284 # 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 3.41000 22.98020 34.26720 23.38709 0.12749 0.00074 216.57470 100.88072 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.72000 22.98760 34.26570 23.38419 0.09040 0.00079 216.67585 100.94182 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.07000 22.98860 34.26560 23.38408 0.12100 0.00071 216.76333 100.98877 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.90000 22.98750 34.26590 23.38490 0.11224 0.00066 216.77993 101.00236 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.32000 22.98930 34.26750 23.38586 0.11669 0.00058 216.66295 100.95294 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.16000 22.99260 34.26570 23.38391 0.15462 0.00062 216.46174 100.85310 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.40000 22.99240 34.26520 23.38389 0.13773 0.00071 216.45600 100.81778 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.03000 22.95340 34.25690 23.38908 0.16940 0.00071 216.78837 100.83037 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.35000 22.80010 34.23740 23.41852 0.18560 0.00067 217.30342 100.83625 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.97000 22.73670 34.26160 23.45523 0.22567 0.00066 217.56868 100.86219 -999.00000 -999.00000 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