# 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 11:08:16 # original profile science log name: f8146.737.20220704T143840.science.mat # profile date(gmt): 04-Jul-2022 12:14:41 # profile lat: 22.3434 # profile lon: -137.8539 # profile number: 737 # 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 3.56000 22.42710 34.52030 23.73684 0.20805 0.00140 216.92303 100.23358 -999.00000 0.53461 0.61107 0.62640 0.37451 7.53000 22.43040 34.51980 23.73575 0.19360 0.00133 216.72774 100.14716 -999.00000 0.44831 0.50805 0.51965 0.26289 12.39000 22.43100 34.51910 23.73532 0.18627 0.00133 216.57388 100.07568 -999.00000 0.34241 0.38515 0.39039 0.16023 17.67000 22.43300 34.51890 23.73490 0.16940 0.00136 216.60051 100.08800 -999.00000 0.25459 0.28172 0.28318 0.09429 23.11000 22.43180 34.51870 23.73540 0.18457 0.00149 216.82927 100.18873 -999.00000 0.18451 0.19841 0.19836 0.05499 28.04000 22.43190 34.51890 23.73581 0.20958 0.00153 217.32199 100.38413 -999.00000 0.13543 0.14038 0.14056 0.03398 32.67000 22.41150 34.52030 23.74291 0.18608 0.00137 218.56737 100.74583 -999.00000 0.10429 0.10406 0.10563 0.02382 37.64000 22.10960 34.57780 23.87193 0.17760 0.00116 219.70342 100.93187 -999.00000 0.08064 0.07643 0.07905 0.01868 42.36000 22.04640 34.59630 23.90396 0.21930 0.00121 219.69395 100.85690 -999.00000 0.06521 0.05578 0.05847 0.01512 46.88000 22.00840 34.60210 23.91926 0.24133 0.00149 219.77431 100.83822 -999.00000 0.05239 0.04089 0.04427 0.01418 51.47000 21.98280 34.60330 23.92758 0.20200 0.00162 219.85258 100.83349 -999.00000 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