# 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 11:08:35 # original profile science log name: f8146.826.20220807T090622.science.mat # profile date(gmt): 07-Aug-2022 06:05:35 # profile lat: 20.7908 # profile lon: -135.8318 # profile number: 826 # 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 3.65000 23.37730 34.59590 23.52125 0.17722 0.00096 213.43722 100.30023 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.60000 23.37670 34.59670 23.52232 0.19360 0.00099 213.22347 100.20225 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.67000 23.37910 34.59620 23.52155 0.20122 0.00108 213.12044 100.15610 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.58000 23.38090 34.59570 23.52094 0.21780 0.00096 213.16955 100.17897 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.62000 23.37830 34.59760 23.52344 0.20143 0.00071 213.26441 100.21634 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.27000 23.36390 34.59860 23.52867 0.19038 0.00081 213.31550 100.20898 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.61000 23.33820 34.59870 23.53655 0.23334 0.00104 213.40843 100.17223 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 38.00000 23.27980 34.60170 23.55604 0.22618 0.00091 213.93041 100.33040 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 42.47000 23.24300 34.59640 23.56297 0.23262 0.00083 214.66982 100.58017 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 46.60000 23.18740 34.58680 23.57205 0.22973 0.00083 216.11163 101.00877 -999.00000 -999.00000 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