# 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 11:07:26 # original profile science log name: f8146.497.20220512T101040.science.mat # profile date(gmt): 12-May-2022 07:43:34 # profile lat: 20.8112 # profile lon: -136.4482 # profile number: 497 # 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 3.46000 21.46010 34.58270 24.05440 0.19360 0.00063 206.80097 93.99357 -999.00000 0.01555 -999.00000 -999.00000 -999.00000 7.82000 21.46850 34.58170 24.05156 0.18558 0.00071 205.61356 93.45882 -999.00000 0.01637 -999.00000 -999.00000 -999.00000 12.57000 21.46900 34.58140 24.05145 0.18509 0.00067 205.11472 93.23182 -999.00000 0.01594 -999.00000 -999.00000 -999.00000 17.34000 21.46910 34.58170 24.05190 0.20912 0.00054 205.04045 93.19987 -999.00000 0.01522 -999.00000 -999.00000 -999.00000 21.80000 21.46980 34.58230 24.05240 0.19360 0.00042 204.93752 93.15407 -999.00000 0.01614 -999.00000 -999.00000 -999.00000 27.21000 21.46950 34.58180 24.05240 0.20033 0.00044 204.70205 93.04681 -999.00000 0.01656 -999.00000 -999.00000 -999.00000 32.96000 21.47310 34.58280 24.05248 0.21780 0.00066 204.72033 93.05861 -999.00000 0.01640 -999.00000 -999.00000 -999.00000 37.73000 21.47040 34.58210 24.05295 0.20288 0.00066 204.45047 92.93700 -999.00000 0.01620 -999.00000 -999.00000 -999.00000 42.92000 21.47650 34.58550 24.05413 0.16940 0.00087 204.37856 92.91246 -999.00000 0.01553 -999.00000 -999.00000 -999.00000 48.18000 21.47660 34.58500 24.05400 0.16202 0.00088 204.18300 92.82519 -999.00000 0.01537 -999.00000 -999.00000 -999.00000 53.43000 21.48080 34.58540 24.05342 0.16531 0.00065 204.28784 92.86740 -999.00000 0.01537 -999.00000 -999.00000 -999.00000 57.28000 21.47200 34.59000 24.05955 0.23006 0.00062 204.47605 92.89104 -999.00000 0.01497 -999.00000 -999.00000 -999.00000 62.59000 21.35410 34.63970 24.13003 0.29942 0.00063 204.85361 92.99685 -999.00000 0.01538 -999.00000 -999.00000 -999.00000 67.69000 21.42340 34.72620 24.17702 0.25027 0.00054 203.90223 92.68056 -999.00000 0.01566 -999.00000 -999.00000 -999.00000 72.55000 21.42120 34.75670 24.20107 0.23821 0.00060 203.00179 92.14536 -999.00000 0.01531 -999.00000 -999.00000 -999.00000 78.24000 21.13990 34.79160 24.30499 0.32233 0.00042 202.20623 91.34053 -999.00000 0.01608 -999.00000 -999.00000 -999.00000 83.09000 20.88240 34.77620 24.36351 0.42554 0.00054 201.69294 90.76045 -999.00000 0.01500 -999.00000 -999.00000 -999.00000 88.14000 20.77620 34.77120 24.38866 0.51622 0.00050 201.11009 90.30062 -999.00000 0.01443 -999.00000 -999.00000 -999.00000 92.89000 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