# 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 11:06:39 # original profile science log name: f8146.271.20220314T172352.science.mat # profile date(gmt): 14-Mar-2022 14:07:41 # profile lat: 20.2598 # profile lon: -135.0382 # profile number: 271 # 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 4.45000 23.13130 34.24630 23.32779 0.15358 0.00075 216.69438 101.18152 -999.00000 22.52194 -999.00000 -999.00000 22.01027 8.92000 23.13380 34.24590 23.32703 0.15180 0.00079 216.72475 101.19876 -999.00000 19.06725 -999.00000 -999.00000 15.04023 13.32000 23.13260 34.24690 23.32839 0.13539 0.00067 216.78386 101.22840 -999.00000 15.71361 -999.00000 -999.00000 9.90942 18.62000 23.13320 34.24690 23.32852 0.16940 0.00062 216.64877 101.16656 -999.00000 12.84711 -999.00000 -999.00000 6.34703 23.65000 23.13570 34.24550 23.32705 0.17706 0.00071 216.55741 101.12566 -999.00000 11.07398 -999.00000 -999.00000 4.29278 28.45000 23.13640 34.24560 23.32722 0.18046 0.00067 216.53610 101.11270 -999.00000 9.40635 -999.00000 -999.00000 2.84700 34.05000 23.13710 34.24580 23.32750 0.14520 0.00069 216.42945 101.06238 -999.00000 7.71058 -999.00000 -999.00000 1.80995 39.42000 23.13640 34.24680 23.32878 0.15332 0.00075 216.34515 101.02692 -999.00000 6.24703 -999.00000 -999.00000 1.14082 44.03000 23.13970 34.24620 23.32764 0.17679 0.00041 216.24472 100.98285 -999.00000 5.16970 -999.00000 -999.00000 0.77563 49.19000 23.14240 34.24520 23.32641 0.21013 0.00063 216.25063 100.98555 -999.00000 4.40581 -999.00000 -999.00000 0.53115 53.72000 23.14400 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