# 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 11:05:48 # original profile science log name: f8146.031.20211129T064740.science.mat # profile date(gmt): 29-Nov-2021 03:42:36 # profile lat: 19.3205 # profile lon: -138.371 # profile number: 031 # 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 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.16000 24.07920 34.78810 23.46060 0.13645 0.00079 212.44404 101.10218 0.04316 -999.00000 -999.00000 -999.00000 -999.00000 13.47000 24.03000 34.80920 23.49149 0.15647 0.00059 213.56580 101.32639 0.04185 -999.00000 -999.00000 -999.00000 -999.00000 17.40000 23.73460 34.90970 23.65506 0.19360 0.00040 214.71665 101.54979 0.04277 -999.00000 -999.00000 -999.00000 -999.00000 21.66000 23.53720 35.00780 23.78756 0.18380 0.00043 215.53350 101.74935 0.04252 -999.00000 -999.00000 -999.00000 -999.00000 26.32000 23.43250 35.05350 23.85309 0.15978 0.00058 215.94176 101.86828 0.04064 -999.00000 -999.00000 -999.00000 -999.00000 31.03000 23.42350 35.06140 23.86199 0.17511 0.00058 215.94576 101.86157 0.04264 -999.00000 -999.00000 -999.00000 -999.00000 36.49667 23.41680 35.06457 23.86668 0.18426 0.00065 216.04922 101.89998 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 41.96333 23.41010 35.06773 23.87136 0.19342 0.00072 216.15268 101.93839 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.43000 23.40340 35.07090 23.87604 0.20257 0.00078 216.25614 101.97679 0.04145 -999.00000 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