# 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 11:08:26 # original profile science log name: f8146.786.20220802T091520.science.mat # profile date(gmt): 02-Aug-2022 06:17:15 # profile lat: 21.6739 # profile lon: -136.428 # profile number: 786 # 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 3.33000 23.26030 34.58640 23.54803 0.13722 0.00075 215.44890 101.03849 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.02000 23.26180 34.58580 23.54742 0.12100 0.00089 215.41110 101.02210 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.18000 23.26360 34.58520 23.54675 0.12884 0.00050 215.34394 100.99143 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.95000 23.26240 34.58550 23.54761 0.15309 0.00050 215.29774 100.97021 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.86000 23.26250 34.58620 23.54841 0.16940 0.00042 215.44362 101.03851 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.69000 23.26290 34.58550 23.54805 0.16238 0.00062 215.46997 101.04666 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.01000 23.25870 34.58490 23.54914 0.12952 0.00067 215.72204 101.14807 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.95000 23.24430 34.58340 23.55247 0.12689 0.00063 216.24888 101.34221 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 41.73000 23.21690 34.58210 23.55965 0.18032 0.00068 217.02928 101.55773 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.55000 22.94160 34.56810 23.62888 0.21007 0.00054 218.54183 101.83629 -999.00000 -999.00000 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