# 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 11:06:47 # original profile science log name: f8146.308.20220327T222558.science.mat # profile date(gmt): 27-Mar-2022 19:17:21 # profile lat: 20.5483 # profile lon: -135.3806 # profile number: 308 # 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 3.97000 23.14740 34.24620 23.32303 0.12847 0.00087 217.59356 101.60095 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 8.78000 23.08080 34.24410 23.34094 0.17886 0.00077 217.94884 101.69024 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 13.85000 23.07400 34.24550 23.34426 0.15367 0.00042 217.85353 101.65141 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.42000 23.07450 34.24470 23.34377 0.16940 0.00058 217.55206 101.49870 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.71000 23.07310 34.24530 23.34495 0.19449 0.00050 217.26020 101.35105 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 28.34000 23.06980 34.24680 23.34732 0.27261 0.00041 217.38583 101.41463 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 33.40000 23.07590 34.25260 23.35026 0.31273 0.00062 217.32250 101.39510 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.26000 23.07520 34.25030 23.34906 0.26553 0.00067 217.22622 101.34352 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.03000 23.07530 34.24980 23.34893 0.31460 0.00058 216.49670 101.00532 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 48.77000 23.08740 34.25630 23.35065 0.33854 0.00050 215.81016 100.69678 -999.00000 -999.00000 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