# 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 11:06:47 # original profile science log name: f8146.311.20220328T075616.science.mat # profile date(gmt): 28-Mar-2022 04:51:45 # profile lat: 20.5542 # profile lon: -135.3696 # profile number: 311 # 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 3.85000 23.09060 34.24870 23.34131 0.24970 0.00063 215.94879 100.75395 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.88000 23.09150 34.24780 23.34067 0.26620 0.00062 215.88129 100.72110 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.71000 23.09010 34.24890 23.34218 0.25904 0.00092 215.86778 100.71182 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 19.12000 23.08200 34.25250 23.34756 0.25823 0.00079 215.84927 100.70290 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.89000 23.08930 34.24970 23.34363 0.30663 0.00071 215.71202 100.63826 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.66000 23.08390 34.25410 23.34881 0.34641 0.00071 215.62011 100.59461 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.67000 23.08510 34.25680 23.35081 0.35569 0.00063 215.61273 100.59730 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.78000 23.09040 34.25750 23.35011 0.33141 0.00054 215.59458 100.59576 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.02000 23.09330 34.26100 23.35223 0.33057 0.00075 215.45907 100.54119 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.87000 23.09690 34.25990 23.35064 0.37127 0.00070 215.39580 100.51528 -999.00000 -999.00000 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