# 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 11:07:40 # original profile science log name: f8146.562.20220531T194336.science.mat # profile date(gmt): 31-May-2022 16:44:52 # profile lat: 21.2573 # profile lon: -136.6674 # profile number: 562 # 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 3.63000 22.55290 34.28710 23.52428 0.07595 0.00058 230.74447 106.72150 -999.00000 131.43170 -999.00000 -999.00000 118.70122 8.97000 22.54990 34.28680 23.52521 0.12867 0.00063 238.94042 110.52401 -999.00000 100.81693 -999.00000 -999.00000 71.23179 13.42000 22.54790 34.28600 23.52542 0.08678 0.00076 242.44478 112.14969 -999.00000 89.82810 -999.00000 -999.00000 55.18776 17.17000 22.55220 34.28650 23.52478 0.07845 0.00080 243.99198 112.85709 -999.00000 78.11386 -999.00000 -999.00000 40.65913 23.71000 22.53730 34.28650 23.52939 0.10600 0.00080 244.62893 113.05906 -999.00000 68.47288 -999.00000 -999.00000 28.06912 27.71000 22.50950 34.28760 23.53835 0.14840 0.00092 242.58694 111.67223 -999.00000 58.89748 -999.00000 -999.00000 20.24649 33.08000 21.83030 34.47840 23.87427 0.20238 0.00075 240.53714 109.87230 -999.00000 50.31998 -999.00000 -999.00000 14.12534 37.85000 21.73250 34.52220 23.93498 0.18627 0.00063 236.59922 107.85270 -999.00000 42.94620 -999.00000 -999.00000 10.83178 42.21000 21.58520 34.54680 23.99469 0.22571 0.00083 232.11542 105.68993 -999.00000 34.90499 -999.00000 -999.00000 7.43564 46.86000 21.56210 34.57530 24.02298 0.24200 0.00093 231.03601 105.11208 -999.00000 30.41837 -999.00000 -999.00000 5.61447 52.04000 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