# 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 11:07:52 # original profile science log name: f8146.620.20220612T064826.science.mat # profile date(gmt): 11-Jun-2022 09:51:52 # profile lat: 22.0348 # profile lon: -137.3712 # profile number: 620 # 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 3.49000 22.41310 34.45390 23.69043 0.15382 0.00063 217.36789 100.36858 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 7.98000 22.41130 34.45360 23.69097 0.15126 0.00071 217.13745 100.26349 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.25000 22.41650 34.45290 23.68920 0.12776 0.00071 217.05880 100.23006 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 17.98000 22.41870 34.45230 23.68845 0.16233 0.00066 217.07036 100.23222 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.50000 22.41420 34.45180 23.68960 0.18527 0.00058 217.18193 100.26242 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 27.15000 22.39280 34.45030 23.69478 0.17574 0.00055 217.23183 100.24888 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.18000 22.37820 34.44880 23.69812 0.17920 0.00053 217.52852 100.28674 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.37000 22.33100 34.44040 23.70537 0.16848 0.00071 218.39850 100.27481 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.36000 21.79870 34.48740 23.89045 0.20234 0.00067 219.57951 100.24258 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.37000 21.67980 34.49780 23.93161 0.18649 0.00067 219.97477 100.18777 -999.00000 -999.00000 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