# 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 11:07:25 # original profile science log name: f8146.492.20220511T205748.science.mat # profile date(gmt): 11-May-2022 18:35:00 # profile lat: 20.8711 # profile lon: -136.4418 # profile number: 492 # 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 3.57000 21.50030 34.57890 24.04044 0.07153 0.00071 308.15994 140.19339 -999.00000 127.32786 146.26565 153.86353 121.82072 8.42000 21.49760 34.57830 24.04099 0.11308 0.00075 330.28553 150.25837 -999.00000 120.48144 139.00999 143.55262 94.71769 13.23000 21.49400 34.58000 24.04353 0.11552 0.00069 338.74984 154.07951 -999.00000 97.53721 112.92411 115.63228 62.38073 17.24000 21.48280 34.57920 24.04622 0.13244 0.00052 339.78686 154.52833 -999.00000 94.26792 109.92190 111.90051 50.38856 23.31000 21.48200 34.57990 24.04730 0.10546 0.00066 337.81762 153.63460 -999.00000 82.40746 97.27003 98.53441 34.95573 27.70000 21.48410 34.57880 24.04613 0.12100 0.00062 331.89899 150.93736 -999.00000 71.58166 84.73940 85.19838 25.69815 32.98000 21.47330 34.58220 24.05197 0.12856 0.00071 329.57523 149.84659 -999.00000 63.34833 75.54315 75.60745 18.84403 38.02000 21.47480 34.58000 24.05016 0.14520 0.00067 327.17462 148.74418 -999.00000 49.83177 59.24767 -999.00000 -999.00000 43.16000 21.47230 34.58310 24.05347 0.14520 0.00058 310.85123 141.27658 -999.00000 44.94010 54.01766 52.93995 8.31353 47.31000 21.43550 34.62740 24.09749 0.15362 0.00063 300.26024 136.42947 -999.00000 41.86909 50.79862 49.89196 6.59039 51.83000 21.41290 34.64440 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