# 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 11:06:32 # original profile science log name: f8146.237.20220308T120718.science.mat # profile date(gmt): 07-Mar-2022 14:12:16 # profile lat: 19.4106 # profile lon: -135.0503 # profile number: 237 # 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 4.13000 23.50900 34.16180 23.15419 0.19360 0.00066 215.18377 101.06324 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.56000 23.50810 34.16220 23.15509 0.19360 0.00073 214.92061 100.94221 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.26000 23.50930 34.16220 23.15496 0.19360 0.00058 214.83042 100.90021 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.48000 23.51180 34.16130 23.15386 0.19360 0.00058 214.59529 100.79086 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 24.71000 23.51360 34.16180 23.15410 0.18598 0.00062 214.49069 100.74365 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.62000 23.51240 34.16480 23.15703 0.15991 0.00066 214.59494 100.78094 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.70000 23.49130 34.18010 23.17501 0.17059 0.00058 214.72737 100.81904 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.80000 23.46030 34.20440 23.20280 0.23280 0.00054 214.86547 100.83468 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.01000 23.42530 34.24160 23.24141 0.23191 0.00053 214.96135 100.86260 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.42000 23.41870 34.25580 23.25440 0.24211 0.00063 214.97631 100.86796 -999.00000 -999.00000 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