# 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 11:06:31 # original profile science log name: f8146.236.20220307T140422.science.mat # profile date(gmt): 06-Mar-2022 16:16:24 # profile lat: 19.3453 # profile lon: -135.046 # profile number: 236 # 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 3.93000 23.50070 34.16340 23.15781 0.19079 0.00062 215.15437 101.03517 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.36000 23.50090 34.16360 23.15823 0.23427 0.00079 214.89098 100.91223 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.37000 23.49840 34.16540 23.16062 0.21015 0.00080 214.81940 100.87927 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 19.43000 23.50000 34.16430 23.15963 0.18228 0.00063 214.75179 100.85069 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 22.85000 23.50540 34.16340 23.15758 0.18160 0.00083 214.69397 100.82527 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.20000 23.49760 34.16730 23.16321 0.21780 0.00076 214.66528 100.80608 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.44000 23.50570 34.16380 23.15852 0.21780 0.00063 214.74928 100.83472 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.24000 23.48060 34.17390 23.17377 0.22507 0.00071 214.84610 100.84798 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.38000 23.45740 34.18100 23.18620 0.23340 0.00075 214.94707 100.86250 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.88000 23.43560 34.18810 23.19819 0.21780 0.00076 214.94351 100.79622 -999.00000 -999.00000 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