# 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 11:07:34 # original profile science log name: f8146.534.20220528T092050.science.mat # profile date(gmt): 28-May-2022 06:54:46 # profile lat: 20.9276 # profile lon: -136.5446 # profile number: 534 # 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 3.73000 22.46680 34.27050 23.53612 0.22448 0.00071 217.19091 100.25895 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.37000 22.46680 34.27070 23.53653 0.15427 0.00075 216.75380 100.05840 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.64000 22.46770 34.27030 23.53621 0.16940 0.00080 216.59276 99.98523 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.60000 22.46870 34.27080 23.53664 0.16209 0.00067 216.75107 100.05928 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.71000 22.46690 34.27130 23.53782 0.15364 0.00067 216.83765 100.09835 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.22000 22.46900 34.27040 23.53681 0.17661 0.00072 216.82397 100.09333 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.32000 22.47050 34.27190 23.53782 0.18658 0.00057 216.98721 100.16686 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.64000 22.47150 34.27100 23.53715 0.21112 0.00083 217.67890 100.42398 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.20000 22.41870 34.28060 23.55963 0.27333 0.00088 219.19712 100.80232 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.51000 22.05690 34.39690 23.74993 0.26298 0.00085 220.83458 101.04105 -999.00000 -999.00000 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