# 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: f8146.490.20220511T152900.science.mat # profile date(gmt): 11-May-2022 13:03:05 # profile lat: 20.8966 # profile lon: -136.438 # profile number: 490 # 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 3.34000 21.43910 34.57590 24.05501 0.21962 0.00050 222.44685 101.05270 -999.00000 6.16180 7.12195 7.01531 4.80898 8.53000 21.43440 34.57480 24.05574 0.18501 0.00058 220.16053 100.00722 -999.00000 5.26175 6.14175 6.06972 3.31658 13.49000 21.43440 34.57570 24.05669 0.19774 0.00063 216.56063 98.37920 -999.00000 4.45733 5.21650 5.08189 2.18606 17.35000 21.44240 34.57560 24.05461 0.18486 0.00059 214.57297 97.48663 -999.00000 4.01953 4.70008 4.52958 1.66840 22.28000 21.44770 34.57490 24.05289 0.19608 0.00037 212.63032 96.60743 -999.00000 3.57108 4.19090 3.98293 1.14570 27.44000 21.44890 34.57650 24.05406 0.15315 0.00050 210.60617 95.69101 -999.00000 3.05902 3.60564 3.40604 0.77529 32.23000 21.44810 34.57650 24.05454 0.16235 0.00062 209.17641 95.04296 -999.00000 2.53269 3.00260 2.82718 0.52039 37.53000 21.45220 34.57920 24.05575 0.18085 0.00067 208.03151 94.52527 -999.00000 -999.00000 -999.00000 2.27605 0.33087 42.88000 21.45130 34.58610 24.06152 0.24189 0.00054 207.41583 94.22663 -999.00000 -999.00000 -999.00000 1.91691 0.21880 47.42000 21.41050 34.62050 24.09913 0.20702 0.00049 206.58410 93.82500 -999.00000 1.56825 1.87207 1.72375 0.16474 52.90000 21.40660 34.62440 24.10346 0.23298 0.00067 205.43202 93.26600 -999.00000 1.35679 1.60930 1.45298 0.10980 57.06000 21.36430 34.63510 24.12344 0.23902 0.00078 204.55131 92.82338 -999.00000 1.18864 1.40928 1.26652 0.08292 62.57500 21.35730 34.66450 24.14801 0.26048 0.00064 203.00876 92.10773 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 68.09000 21.35030 34.69390 24.17258 0.28195 0.00050 201.46628 91.39235 -999.00000 0.79183 0.94713 0.84940 0.04085 72.84000 21.31180 34.76650 24.23859 0.33077 0.00054 201.17221 91.15955 -999.00000 0.65897 0.80889 0.74618 0.03357 77.55000 21.13200 34.79220 24.30757 0.39920 0.00053 200.54782 90.56756 -999.00000 0.53631 0.67420 0.63660 0.02764 82.63000 20.86920 34.79190 24.37900 0.51291 0.00067 199.95033 89.96396 -999.00000 0.42108 0.54320 0.53136 0.02215 87.72000 20.77050 34.79460 24.40799 0.54796 0.00054 200.24011 89.98445 -999.00000 0.31863 0.42220 0.42845 0.01892 92.28000 20.73660 34.83070 24.44484 0.52027 0.00050 200.38584 89.91985 -999.00000 0.25025 0.33449 0.34904 0.01656 96.47000 20.56450 34.81560 24.47981 0.58950 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