# 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 11:06:43 # original profile science log name: f8146.288.20220325T063220.science.mat # profile date(gmt): 25-Mar-2022 03:09:22 # profile lat: 20.505 # profile lon: -135.4686 # profile number: 288 # 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 4.46000 23.09250 34.27150 23.35807 0.23343 0.00062 216.31134 100.94396 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.98000 23.09410 34.27060 23.35720 0.22469 0.00057 216.24474 100.91091 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.52000 23.09370 34.27100 23.35794 0.24200 0.00076 216.13280 100.86501 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.34000 23.09980 34.27020 23.35574 0.23644 0.00068 216.13908 100.87262 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.30000 23.10340 34.26980 23.35481 0.24488 0.00058 216.03294 100.82636 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.59000 23.10200 34.27000 23.35563 0.26453 0.00067 215.95220 100.79165 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.08000 23.10500 34.26990 23.35496 0.21780 0.00076 215.89059 100.76869 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.71000 23.10640 34.27150 23.35610 0.21780 0.00062 215.91355 100.78272 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.60000 23.10800 34.27140 23.35585 0.19725 0.00074 215.90185 100.77918 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.05000 23.10870 34.27160 23.35612 0.17067 0.00083 215.87050 100.76553 -999.00000 -999.00000 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