# 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 11:07:53 # original profile science log name: f8146.629.20220620T075240.science.mat # profile date(gmt): 19-Jun-2022 10:23:51 # profile lat: 22.1662 # profile lon: -137.3259 # profile number: 629 # 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 3.16000 22.37730 34.45260 23.69956 0.20873 0.00058 216.98634 100.13169 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.35000 22.37800 34.45210 23.69922 0.18658 0.00055 216.74435 100.02199 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.67000 22.38340 34.45080 23.69700 0.16095 0.00050 216.68533 99.99966 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.25000 22.38560 34.45110 23.69686 0.16679 0.00058 216.74967 100.03141 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.63000 22.38530 34.45110 23.69725 0.21071 0.00062 216.68635 100.00138 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.09000 22.38630 34.45060 23.69691 0.20291 0.00061 216.70045 100.00709 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.25000 22.38360 34.45280 23.69958 0.19580 0.00042 216.97975 100.13322 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.53000 22.38680 34.45060 23.69730 0.15156 0.00040 217.76747 100.45986 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.54000 22.36550 34.44450 23.69903 0.20921 0.00054 220.25903 101.22128 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.24000 21.82400 34.47330 23.87297 0.28057 0.00061 222.63076 101.61143 -999.00000 -999.00000 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