# 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 11:07:21 # original profile science log name: f8146.470.20220509T094832.science.mat # profile date(gmt): 09-May-2022 06:52:34 # profile lat: 21.1592 # profile lon: -136.4086 # profile number: 470 # 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 3.96000 21.35250 34.53120 24.04487 0.19945 0.00068 207.44262 94.06916 -999.00000 -999.00000 -999.00000 0.00379 -999.00000 8.18000 21.35760 34.53190 24.04423 0.18508 0.00075 206.57285 93.67853 -999.00000 -999.00000 -999.00000 0.00322 -999.00000 13.04000 21.35990 34.53250 24.04431 0.20069 0.00071 206.05063 93.44339 -999.00000 -999.00000 -999.00000 0.00278 -999.00000 17.34000 21.35530 34.53280 24.04602 0.17837 0.00082 205.81751 93.34062 -999.00000 -999.00000 -999.00000 0.00240 -999.00000 21.52000 21.36690 34.53050 24.04131 0.19360 0.00062 205.38243 93.15062 -999.00000 -999.00000 -999.00000 0.00307 -999.00000 27.36000 21.36630 34.53220 24.04309 0.19360 0.00071 205.50630 93.20804 -999.00000 -999.00000 -999.00000 0.00359 -999.00000 32.77000 21.36210 34.53200 24.04438 0.19360 0.00071 205.52151 93.21423 -999.00000 -999.00000 -999.00000 0.00353 -999.00000 37.52000 21.36970 34.53140 24.04209 0.18533 0.00066 205.50128 93.21154 -999.00000 -999.00000 -999.00000 0.00425 -999.00000 42.20000 21.36900 34.53300 24.04375 0.17696 0.00062 205.52067 93.21691 -999.00000 -999.00000 -999.00000 0.00333 -999.00000 47.24000 21.35350 34.53060 24.04644 0.20086 0.00071 205.51184 93.20514 -999.00000 -999.00000 -999.00000 0.00290 -999.00000 52.39000 21.37370 34.53110 24.04155 0.22698 0.00066 205.49436 93.20862 -999.00000 -999.00000 -999.00000 0.00390 -999.00000 56.61000 21.36610 34.53220 24.04469 0.24843 0.00062 205.22400 93.07924 -999.00000 -999.00000 -999.00000 0.00329 -999.00000 62.63000 21.35120 34.53490 24.05116 0.26620 0.00071 204.30302 92.68680 -999.00000 -999.00000 -999.00000 0.00378 -999.00000 68.35000 21.43220 34.59500 24.07490 0.26620 0.00081 204.26599 92.84399 -999.00000 -999.00000 -999.00000 0.00424 -999.00000 72.29000 21.50630 34.67210 24.11331 0.28223 0.00087 204.94338 93.19311 -999.00000 -999.00000 -999.00000 0.00374 -999.00000 77.04000 21.39720 34.76270 24.21248 0.32283 0.00075 205.30245 93.22295 -999.00000 -999.00000 -999.00000 0.00362 -999.00000 81.59000 21.27530 34.78040 24.25964 0.36934 0.00077 205.06598 92.87097 -999.00000 -999.00000 -999.00000 0.00466 -999.00000 87.93000 21.00340 34.80050 24.34944 0.47419 0.00066 204.58027 92.18965 -999.00000 -999.00000 -999.00000 0.00511 -999.00000 93.23000 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