# 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 11:06:10 # original profile science log name: f8146.135.20220206T133028.science.mat # profile date(gmt): 06-Feb-2022 09:41:08 # profile lat: 19.461 # profile lon: -134.862 # profile number: 135 # 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 4.56000 23.43800 34.38410 23.34322 0.17524 0.00066 214.99194 101.00485 0.04384 -999.00000 -999.00000 -999.00000 -999.00000 9.49000 23.44800 34.38320 23.33993 0.15539 0.00064 214.85745 100.95314 0.04320 -999.00000 -999.00000 -999.00000 -999.00000 14.05000 23.45330 34.38250 23.33812 0.19636 0.00062 214.86936 100.96286 0.04225 -999.00000 -999.00000 -999.00000 -999.00000 19.22000 23.45280 34.38270 23.33873 0.23086 0.00052 214.91645 100.98799 0.04400 -999.00000 -999.00000 -999.00000 -999.00000 23.31000 23.45410 34.38240 23.33838 0.21780 0.00058 214.89952 100.98260 0.04478 -999.00000 -999.00000 -999.00000 -999.00000 29.36000 23.45590 34.38220 23.33809 0.21780 0.00063 214.78566 100.93207 0.04283 -999.00000 -999.00000 -999.00000 -999.00000 34.05000 23.45860 34.38390 23.33887 0.24898 0.00079 214.70249 100.89409 0.04312 -999.00000 -999.00000 -999.00000 -999.00000 37.03000 23.45680 34.38160 23.33784 0.24543 0.00080 214.65365 100.86970 0.04460 -999.00000 -999.00000 -999.00000 -999.00000 43.74000 23.46030 34.38140 23.33707 0.21133 0.00062 214.60596 100.85084 0.04722 -999.00000 -999.00000 -999.00000 -999.00000 48.90000 23.45970 34.38120 23.33740 0.22408 0.00055 214.54473 100.82360 0.04347 -999.00000 -999.00000 -999.00000 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