# 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 11:08:28 # original profile science log name: f8146.795.20220803T124248.science.mat # profile date(gmt): 03-Aug-2022 09:30:20 # profile lat: 21.4976 # profile lon: -136.3239 # profile number: 795 # 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 3.62000 23.23800 34.58200 23.55119 0.13705 0.00071 214.85773 100.72230 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.37000 23.24100 34.58300 23.55136 0.12100 0.00066 214.81841 100.70928 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.78000 23.24300 34.58190 23.55021 0.12100 0.00066 214.78630 100.69340 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.68000 23.24040 34.58230 23.55155 0.12100 0.00079 214.76318 100.68090 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.67000 23.24230 34.58050 23.54994 0.13581 0.00063 214.81455 100.70366 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.90000 23.24390 34.58090 23.55009 0.18330 0.00049 214.96209 100.77078 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.39000 23.23580 34.58100 23.55285 0.18777 0.00058 215.07286 100.80909 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.29000 23.23490 34.58000 23.55264 0.13611 0.00066 215.56927 100.95277 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.24000 23.13110 34.57460 23.57888 0.17799 0.00079 216.91882 101.32889 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.75000 22.96160 34.56050 23.61732 0.17987 0.00071 218.16884 101.66095 -999.00000 -999.00000 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