# 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 11:06:35 # original profile science log name: f8146.252.20220310T192504.science.mat # profile date(gmt): 10-Mar-2022 16:06:15 # profile lat: 19.7508 # profile lon: -135.0615 # profile number: 252 # 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 4.30000 23.33940 34.19670 23.22997 0.12100 0.00097 215.72528 101.07311 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.48000 23.33960 34.19680 23.23030 0.12944 0.00067 215.70298 101.06046 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.07000 23.33480 34.19680 23.23196 0.14520 0.00067 215.74246 101.08084 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.94000 23.33430 34.19800 23.23330 0.14520 0.00079 215.83264 101.14154 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.07000 23.33310 34.19720 23.23336 0.16009 0.00067 215.78333 101.12119 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.09000 23.33660 34.19690 23.23244 0.19360 0.00058 215.78908 101.10907 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.88000 23.33570 34.19660 23.23276 0.20138 0.00070 215.59306 101.01321 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.78000 23.33600 34.19560 23.23221 0.21780 0.00084 215.49486 100.96169 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.79000 23.33610 34.19600 23.23278 0.21042 0.00062 215.40882 100.90915 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.04000 23.33570 34.19630 23.23343 0.20116 0.00075 215.36233 100.88677 -999.00000 -999.00000 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