# 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 11:07:00 # original profile science log name: f8146.371.20220417T090750.science.mat # profile date(gmt): 17-Apr-2022 06:11:36 # profile lat: 20.9235 # profile lon: -135.9751 # profile number: 371 # 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 3.52000 22.45100 34.30130 23.56395 0.16940 0.00063 217.77262 100.51792 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.99000 22.45080 34.30120 23.56418 0.16940 0.00067 217.59826 100.43780 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.85000 22.45000 34.30180 23.56513 0.16940 0.00063 217.56056 100.42255 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.61000 22.45350 34.30140 23.56411 0.17612 0.00074 217.58440 100.43608 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.37000 22.45210 34.30270 23.56582 0.19360 0.00079 217.51301 100.40544 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.94000 22.45510 34.30120 23.56410 0.19360 0.00063 217.48939 100.39396 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.96000 22.45370 34.30080 23.56448 0.20207 0.00055 217.45259 100.37514 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.53000 22.45230 34.30160 23.56574 0.21780 0.00071 217.37405 100.33988 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.81000 22.45240 34.30290 23.56700 0.21151 0.00068 217.24256 100.28134 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.97000 22.45420 34.30030 23.56486 0.18086 0.00065 217.20855 100.26259 -999.00000 -999.00000 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