# 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 11:07:43 # original profile science log name: f8146.574.20220602T065132.science.mat # profile date(gmt): 02-Jun-2022 03:58:09 # profile lat: 21.4564 # profile lon: -136.7233 # profile number: 574 # 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 3.74000 22.53850 34.29670 23.53566 0.17801 0.00079 216.52797 100.09416 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.54000 22.53840 34.29550 23.53505 0.13765 0.00071 216.19607 99.93860 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.67000 22.53800 34.29530 23.53529 0.13737 0.00067 216.06781 99.87765 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.40000 22.53440 34.29760 23.53833 0.16940 0.00066 216.15920 99.91174 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.64000 22.52670 34.29760 23.54081 0.17686 0.00083 216.54690 100.04479 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.83000 22.48840 34.29830 23.55251 0.20421 0.00089 218.48348 100.57763 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.48000 22.40750 34.30810 23.58306 0.19001 0.00096 220.75452 101.00764 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 36.58000 21.74000 34.45680 23.88315 0.15090 0.00090 221.50761 101.04454 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.03000 21.67240 34.46050 23.90504 0.19645 0.00067 221.67520 101.00984 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.55000 21.63730 34.46340 23.91725 0.29653 0.00069 222.14069 101.12140 -999.00000 -999.00000 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