# 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 11:08:03 # original profile science log name: f8146.675.20220627T194702.science.mat # profile date(gmt): 27-Jun-2022 16:54:11 # profile lat: 22.8419 # profile lon: -137.3742 # profile number: 675 # 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 3.54000 22.67360 34.48020 23.63636 0.08873 0.00054 253.87701 117.77926 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.34000 22.59370 34.48190 23.66069 0.10417 0.00059 258.88923 119.95442 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.94000 22.52930 34.48460 23.68131 0.08019 0.00079 260.84193 120.69265 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.04000 22.42670 34.48440 23.71054 0.09680 0.00079 262.28280 121.19456 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.03000 22.41450 34.48360 23.71368 0.11235 0.00084 262.19464 121.10368 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.01000 22.38200 34.48210 23.72202 0.14520 0.00055 256.04423 118.19934 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.52000 22.35690 34.48050 23.72821 0.14520 0.00058 254.08438 117.23270 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.36000 22.33620 34.48080 23.73456 0.16288 0.00079 255.32891 117.67262 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.74000 22.27140 34.47700 23.75021 0.18111 0.00064 258.08919 118.53236 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.62500 21.96985 34.53530 23.87901 0.18741 0.00063 256.08871 117.19434 -999.00000 -999.00000 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