# 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 11:06:07 # original profile science log name: f8146.120.20220204T125330.science.mat # profile date(gmt): 03-Feb-2022 15:27:04 # profile lat: 19.4921 # profile lon: -135.0317 # profile number: 120 # 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 3.43000 23.47230 34.32030 23.28485 0.21780 0.00054 214.20838 100.65290 0.04556 -999.00000 -999.00000 -999.00000 -999.00000 8.22000 23.47860 34.31780 23.28141 0.21780 0.00055 214.14298 100.62310 0.04688 -999.00000 -999.00000 -999.00000 -999.00000 13.32000 23.47420 34.31990 23.28459 0.21780 0.00066 214.11612 100.61221 0.04681 -999.00000 -999.00000 -999.00000 -999.00000 18.25000 23.47840 34.31930 23.28320 0.22831 0.00064 214.09465 100.60496 0.04724 -999.00000 -999.00000 -999.00000 -999.00000 22.67000 23.47910 34.31840 23.28259 0.25001 0.00083 214.06904 100.59708 0.04596 -999.00000 -999.00000 -999.00000 -999.00000 28.39000 23.48630 34.32280 23.28419 0.23010 0.00090 213.96572 100.55887 0.04727 -999.00000 -999.00000 -999.00000 -999.00000 32.17000 23.48580 34.32270 23.28449 0.22843 0.00067 213.92237 100.54144 0.04750 -999.00000 -999.00000 -999.00000 -999.00000 38.84000 23.49180 34.32310 23.28345 0.27093 0.00058 214.01639 100.59398 0.04465 -999.00000 -999.00000 -999.00000 -999.00000 44.16000 23.49420 34.32260 23.28269 0.22468 0.00058 213.90072 100.54721 0.04715 -999.00000 -999.00000 -999.00000 -999.00000 47.15000 23.49960 34.32570 23.28364 0.24971 0.00058 213.84201 100.51819 0.04393 -999.00000 -999.00000 -999.00000 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