# 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 11:06:14 # original profile science log name: f8146.151.20220208T122926.science.mat # profile date(gmt): 08-Feb-2022 09:34:14 # profile lat: 19.466 # profile lon: -134.7681 # profile number: 151 # 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 3.70000 23.32910 34.36470 23.36015 0.22247 0.00061 214.92243 100.76413 0.04039 -999.00000 -999.00000 -999.00000 -999.00000 8.34000 23.33130 34.36660 23.36123 0.19360 0.00051 214.81806 100.71973 0.04573 -999.00000 -999.00000 -999.00000 -999.00000 12.78000 23.33050 34.36520 23.36067 0.20200 0.00063 214.75239 100.69074 0.05647 -999.00000 -999.00000 -999.00000 -999.00000 18.23000 23.33670 34.36570 23.35957 0.20875 0.00066 214.75042 100.69499 0.04076 -999.00000 -999.00000 -999.00000 -999.00000 23.23000 23.33640 34.36500 23.35944 0.19360 0.00058 214.67647 100.66040 0.04070 -999.00000 -999.00000 -999.00000 -999.00000 28.40000 23.33660 34.36540 23.36001 0.20210 0.00067 214.69801 100.67260 0.03966 -999.00000 -999.00000 -999.00000 -999.00000 33.64000 23.33800 34.36630 23.36060 0.20201 0.00099 214.68640 100.67060 0.03966 -999.00000 -999.00000 -999.00000 -999.00000 36.54000 23.34010 34.36630 23.36016 0.19360 0.00098 214.69060 100.67298 0.03962 -999.00000 -999.00000 -999.00000 -999.00000 43.71000 23.33870 34.36890 23.36297 0.20168 0.00071 214.65290 100.65895 0.03936 -999.00000 -999.00000 -999.00000 -999.00000 49.22000 23.34100 34.37310 23.36581 0.21780 0.00076 214.54643 100.61624 0.03902 -999.00000 -999.00000 -999.00000 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