# 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 11:07:27 # original profile science log name: f8146.499.20220512T151538.science.mat # profile date(gmt): 12-May-2022 12:43:35 # profile lat: 20.785 # profile lon: -136.4528 # profile number: 499 # 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 3.23000 21.45650 34.58680 24.05850 0.14251 0.00067 218.65626 99.36932 -999.00000 -999.00000 -999.00000 4.18518 2.80283 8.63000 21.45580 34.58580 24.05822 0.19360 0.00068 216.55720 98.41329 -999.00000 -999.00000 -999.00000 3.01296 1.55305 12.75000 21.45600 34.58770 24.05982 0.18683 0.00083 214.65167 97.55250 -999.00000 -999.00000 -999.00000 2.29459 0.97748 18.39000 21.45960 34.58720 24.05875 0.19054 0.00076 212.42301 96.54420 -999.00000 -999.00000 -999.00000 1.82207 0.57789 23.69000 21.46350 34.58520 24.05644 0.29666 0.00063 210.77821 95.79931 -999.00000 -999.00000 -999.00000 1.36798 0.34477 27.94000 21.46640 34.58590 24.05641 0.32487 0.00063 209.54552 95.24330 -999.00000 -999.00000 -999.00000 1.03222 0.22344 32.91000 21.46420 34.58660 24.05782 0.19360 0.00046 208.62347 94.82572 -999.00000 -999.00000 -999.00000 0.71704 0.11906 37.45000 21.46710 34.58700 24.05757 0.19360 0.00050 208.24252 94.65568 -999.00000 -999.00000 -999.00000 0.60243 0.08628 42.59000 21.46820 34.58580 24.05662 0.20716 0.00062 207.85096 94.47775 -999.00000 -999.00000 -999.00000 -999.00000 0.05632 48.22000 21.46860 34.58620 24.05711 0.22680 0.00063 207.46331 94.30363 -999.00000 -999.00000 -999.00000 -999.00000 0.03773 53.14000 21.47030 34.58660 24.05721 0.17712 0.00063 207.33654 94.24710 -999.00000 -999.00000 -999.00000 0.40182 0.03450 57.84000 21.47060 34.58470 24.05594 0.16825 0.00084 207.13024 94.15122 -999.00000 -999.00000 -999.00000 0.40321 0.02988 62.80000 21.47160 34.58490 24.05608 0.20885 0.00058 207.10352 94.14316 -999.00000 -999.00000 -999.00000 0.37518 0.02482 66.91000 21.47590 34.61420 24.07739 0.18711 0.00062 206.85398 94.04786 -999.00000 -999.00000 -999.00000 0.33580 0.02207 72.66000 21.47320 34.77480 24.20052 0.20509 0.00066 205.63567 93.50873 -999.00000 -999.00000 -999.00000 0.26841 0.01849 77.00000 21.34400 34.79490 24.25157 0.27626 0.00063 204.95444 93.03083 -999.00000 -999.00000 -999.00000 0.20951 0.01540 82.60500 21.13250 34.78490 24.30195 0.35187 0.00057 204.37953 92.33195 -999.00000 -999.00000 -999.00000 -999.00000 -999.00000 88.21000 20.92100 34.77490 24.35233 0.42748 0.00050 203.80467 91.63971 -999.00000 -999.00000 -999.00000 0.10817 0.01246 92.98000 20.60310 34.75690 24.42459 0.45303 0.00038 204.41908 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