# 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 11:06:41 # original profile science log name: f8146.279.20220319T092630.science.mat # profile date(gmt): 18-Mar-2022 11:51:59 # profile lat: 20.4744 # profile lon: -135.225 # profile number: 279 # 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 3.80000 22.83350 34.25180 23.41752 0.15557 0.00085 217.07024 100.82690 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.32000 22.83410 34.25180 23.41767 0.21370 0.00068 217.07211 100.83176 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.30000 22.83590 34.25370 23.41882 0.16169 0.00083 216.98548 100.80013 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.24000 22.84110 34.25230 23.41655 0.15827 0.00077 216.92174 100.77330 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.95000 22.84160 34.25300 23.41728 0.19360 0.00058 216.84963 100.74220 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.96000 22.84270 34.25290 23.41720 0.19360 0.00054 216.84580 100.74170 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 32.91000 22.84420 34.25240 23.41662 0.18736 0.00052 216.80282 100.72205 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.04000 22.84190 34.25350 23.41847 0.17661 0.00075 216.73640 100.69209 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.14000 22.84230 34.25340 23.41857 0.19360 0.00072 216.58447 100.62149 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.44000 22.84190 34.25360 23.41914 0.22476 0.00050 216.57817 100.61768 -999.00000 -999.00000 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