# 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 11:06:33 # original profile science log name: f8146.242.20220309T064502.science.mat # profile date(gmt): 09-Mar-2022 02:37:13 # profile lat: 19.5246 # profile lon: -135.0685 # profile number: 242 # 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 4.07000 23.43590 34.18250 23.19116 0.21780 0.00062 215.91610 101.29760 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 9.50000 23.43620 34.18280 23.19162 0.20265 0.00067 215.71812 101.20948 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 14.61000 23.44470 34.18340 23.18991 0.20021 0.00058 215.42331 101.08123 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 18.38000 23.44560 34.18320 23.18972 0.22000 0.00066 215.48713 101.11151 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 23.66000 23.44660 34.18320 23.18975 0.15506 0.00076 215.39194 101.06751 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 29.06000 23.44690 34.18330 23.19008 0.14288 0.00058 215.30323 101.02792 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 34.37000 23.44450 34.18640 23.19345 0.20786 0.00066 215.37770 101.04730 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 39.80000 23.42100 34.20120 23.21182 0.22464 0.00079 215.46716 101.05725 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 44.18000 23.40820 34.22830 23.23632 0.19360 0.00060 215.45584 101.06509 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 49.69000 23.41820 34.24350 23.24525 0.22553 0.00050 215.51206 101.12765 -999.00000 -999.00000 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