# 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 11:07:54 # original profile science log name: f8146.630.20220621T045502.science.mat # profile date(gmt): 20-Jun-2022 07:56:38 # profile lat: 22.2298 # profile lon: -137.299 # profile number: 630 # 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 3.11000 22.34420 34.45690 23.71217 0.17685 0.00071 218.37466 100.71608 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.31000 22.34680 34.45740 23.71211 0.20189 0.00071 218.15740 100.62185 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.98000 22.35130 34.45740 23.71110 0.20433 0.00067 218.01946 100.56521 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.73000 22.35630 34.45750 23.71009 0.15366 0.00062 217.95384 100.54049 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.65000 22.35470 34.45830 23.71143 0.12100 0.00080 218.15107 100.63074 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.09000 22.35520 34.45730 23.71078 0.12861 0.00088 218.15632 100.63311 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.18000 22.35580 34.45830 23.71166 0.14520 0.00066 218.01596 100.57150 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.23000 22.35790 34.45670 23.71008 0.13109 0.00066 218.03525 100.57888 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.72000 22.35630 34.45840 23.71213 0.11591 0.00077 218.35661 100.72341 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.80000 22.35990 34.45560 23.70933 0.16940 0.00063 219.73570 101.21503 -999.00000 -999.00000 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