# 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 11:07:30 # original profile science log name: f8146.511.20220520T235202.science.mat # profile date(gmt): 20-May-2022 02:48:23 # profile lat: 20.7005 # profile lon: -136.5802 # profile number: 511 # 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 4.10000 22.67010 34.24670 23.46033 0.14520 0.00092 223.48885 103.52627 -999.00000 -999.00000 -999.00000 -999.00000 32.57396 9.10000 22.67000 34.24680 23.46072 0.16247 0.00079 226.17759 104.76596 -999.00000 -999.00000 -999.00000 -999.00000 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-999.00000 1.38701 52.77000 21.56550 34.54210 23.99712 0.32144 0.00067 223.05447 101.43121 -999.00000 -999.00000 -999.00000 -999.00000 1.11177 57.15000 21.43000 34.53950 24.03272 0.32560 0.00079 222.88777 101.18170 -999.00000 -999.00000 -999.00000 -999.00000 0.80677 61.41000 21.44800 34.56490 24.04730 0.38720 0.00084 222.52863 100.97026 -999.00000 -999.00000 -999.00000 -999.00000 0.59192 67.15000 21.33680 34.57210 24.08363 0.39710 0.00100 222.32172 100.84075 -999.00000 -999.00000 -999.00000 -999.00000 0.38265 72.54000 21.29177 34.63380 24.14316 0.40402 0.00086 222.15511 100.67065 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 77.93000 21.24673 34.69550 24.20269 0.41094 0.00072 221.98851 100.50089 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 83.32000 21.20170 34.75720 24.26222 0.41785 0.00058 221.82193 100.33146 -999.00000 -999.00000 -999.00000 -999.00000 0.10987 88.20000 21.00830 34.78690 24.33777 0.46752 0.00079 221.99134 100.12189 -999.00000 -999.00000 -999.00000 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