# 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 11:07:01 # original profile science log name: f8146.377.20220418T031520.science.mat # profile date(gmt): 18-Apr-2022 00:16:11 # profile lat: 20.915 # profile lon: -135.9852 # profile number: 377 # 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 3.64000 22.54050 34.30340 23.54017 0.20033 0.00075 218.47236 101.00922 -999.00000 1.36902 2.06506 1.85732 1.32375 7.93000 22.54660 34.30330 23.53860 0.15864 0.00067 218.55944 101.05503 -999.00000 1.28739 1.95153 1.73254 1.00651 11.53000 22.54690 34.30340 23.53880 0.15082 0.00049 218.56003 101.05601 -999.00000 1.25399 1.91973 1.71678 0.86867 18.42000 22.54870 34.30320 23.53852 0.17648 0.00058 218.39027 100.97792 -999.00000 1.13244 1.77166 1.61969 0.62630 23.89000 22.54620 34.30270 23.53917 0.18582 0.00058 218.28829 100.91305 -999.00000 1.08959 1.72904 1.59046 0.49451 28.87000 22.52270 34.30510 23.54795 0.19375 0.00054 218.22249 100.85003 -999.00000 1.03408 1.65002 1.51435 0.38142 33.64000 22.51100 34.30550 23.55185 0.21858 0.00050 218.20773 100.82660 -999.00000 0.93331 1.49074 1.35545 0.27886 38.60000 22.50710 34.30300 23.55134 0.17759 0.00063 218.05765 100.74639 -999.00000 0.83971 1.33838 1.20031 0.19891 43.33000 22.50070 34.30380 23.55403 0.18548 0.00071 217.96415 100.69282 -999.00000 0.76535 1.22399 1.09146 0.15042 48.10000 22.49210 34.30140 23.55491 0.18483 0.00067 217.93309 100.66598 -999.00000 0.69811 1.12461 1.00407 0.11625 53.12000 22.48940 34.29980 23.55475 0.22593 0.00063 217.79179 100.59223 -999.00000 0.61861 0.98490 0.85806 0.08205 57.88000 22.48370 34.29980 23.55663 0.23445 0.00071 217.72413 100.55232 -999.00000 0.54923 0.86292 0.72684 0.05796 63.01000 22.48510 34.29900 23.55593 0.23729 0.00067 217.92230 100.58696 -999.00000 0.49783 0.78239 0.65772 0.04445 68.97000 22.47420 34.29990 23.56004 0.35782 0.00058 218.87852 100.83564 -999.00000 0.44960 0.71648 0.61198 0.03577 72.99000 22.40820 34.31800 23.59267 0.41005 0.00063 220.34717 101.07184 -999.00000 0.41385 0.65612 0.55769 0.03121 77.66000 21.70140 34.60680 24.01005 0.32929 0.00078 222.29810 101.40768 -999.00000 0.37115 0.59089 0.51170 0.02690 82.85000 21.59260 34.63950 24.06529 0.35534 0.00088 222.80860 101.51051 -999.00000 0.33450 0.54062 0.48707 0.02332 87.73000 21.56370 34.64570 24.07825 0.32988 0.00066 222.33284 101.25935 -999.00000 0.29375 0.47603 0.43386 0.01982 92.07000 21.55700 34.66840 24.09759 0.31460 0.00062 221.58318 100.89372 -999.00000 0.25641 0.40818 0.36979 0.01678 96.67000 21.51240 34.68480 24.12261 0.31460 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