# 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 11:07:44 # original profile science log name: f8146.582.20220603T060048.science.mat # profile date(gmt): 03-Jun-2022 03:08:22 # profile lat: 21.594 # profile lon: -136.7707 # profile number: 582 # 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 3.81000 22.56480 34.30120 23.53160 0.17704 0.00075 216.45259 100.11085 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.88000 22.56720 34.29940 23.52984 0.18492 0.00083 216.08798 99.93738 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.34000 22.55800 34.30130 23.53415 0.16130 0.00075 216.00047 99.89120 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.12000 22.56230 34.29930 23.53168 0.15305 0.00058 215.99660 99.87954 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.05000 22.54750 34.30010 23.53677 0.17634 0.00065 216.11324 99.89900 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.63000 22.51780 34.29830 23.54416 0.18613 0.00079 216.66065 100.08016 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.81000 22.50950 34.29700 23.54583 0.20736 0.00071 218.81939 100.59933 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 37.89000 21.85030 34.41270 23.81907 0.25173 0.00071 220.80297 100.90125 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.24000 21.75280 34.43400 23.86264 0.23383 0.00075 221.40153 100.99955 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.07000 21.70140 34.43930 23.88117 0.28084 0.00079 222.07472 101.17537 -999.00000 -999.00000 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