# 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 11:06:04 # original profile science log name: f8146.109.20220129T064054.science.mat # profile date(gmt): 29-Jan-2022 03:39:34 # profile lat: 19.7629 # profile lon: -135.4898 # profile number: 109 # 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 3.78000 23.86460 34.28820 23.14561 0.17181 0.00068 212.90527 100.69331 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.88000 23.87270 34.28870 23.14392 0.21780 0.00072 212.58590 100.55276 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.13000 23.87500 34.28790 23.14290 0.20961 0.00063 212.39698 100.46462 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.80000 23.87410 34.28790 23.14351 0.19360 0.00065 212.17652 100.35837 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.17000 23.87350 34.28830 23.14426 0.21014 0.00063 211.74089 100.14943 1.97814 -999.00000 -999.00000 -999.00000 -999.00000 28.71000 23.86940 34.28560 23.14378 0.21370 0.00061 211.79035 100.17931 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.51000 23.88190 34.29220 23.14539 0.17720 0.00050 212.27215 100.42396 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.47000 23.88400 34.29300 23.14575 0.21363 0.00069 212.20070 100.40351 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.11000 23.89680 34.31150 23.15626 0.26712 0.00075 212.31413 100.51741 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.66000 23.95950 34.41360 23.21534 0.34287 0.00068 212.97934 100.93146 0.22798 -999.00000 -999.00000 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