# 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 11:07:46 # original profile science log name: f8146.592.20220604T103304.science.mat # profile date(gmt): 04-Jun-2022 07:41:24 # profile lat: 21.7632 # profile lon: -136.8538 # profile number: 592 # 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 3.46000 22.48190 34.31870 23.56838 0.16072 0.00079 215.57099 99.57112 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.17000 22.48010 34.31970 23.56992 0.12250 0.00082 215.26383 99.43184 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 12.69000 22.48520 34.31880 23.56804 0.16940 0.00066 215.19573 99.40469 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.16000 22.48730 34.31780 23.56699 0.17679 0.00076 215.21982 99.41607 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.40000 22.48690 34.31900 23.56832 0.18584 0.00066 215.23674 99.42571 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.31000 22.48900 34.31780 23.56710 0.18454 0.00083 215.34701 99.47301 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.25000 22.48820 34.31800 23.56776 0.19580 0.00079 215.59213 99.56977 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.53000 22.47720 34.31980 23.57255 0.14520 0.00075 216.32920 99.80596 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 43.07000 22.45820 34.31910 23.57765 0.19256 0.00079 217.95734 100.19100 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 47.81000 22.03800 34.41640 23.77004 0.27226 0.00080 219.84555 100.54821 -999.00000 -999.00000 -999.00000 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