# 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 11:06:15 # original profile science log name: f8146.156.20220209T025632.science.mat # profile date(gmt): 08-Feb-2022 23:58:04 # profile lat: 19.4525 # profile lon: -134.7555 # profile number: 156 # 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 23.29190 34.32170 23.33836 0.20932 0.00084 215.42796 100.90898 0.05058 -999.00000 -999.00000 -999.00000 0.55009 8.71000 23.29490 34.32090 23.33721 0.18201 0.00090 215.41931 100.90710 0.05122 -999.00000 -999.00000 -999.00000 0.51557 12.72000 23.29520 34.32090 23.33736 0.19838 0.00071 215.40214 100.90049 0.04982 -999.00000 -999.00000 -999.00000 0.47628 17.53000 23.29670 34.32120 23.33744 0.23347 0.00071 215.32566 100.86586 0.05209 -999.00000 -999.00000 -999.00000 0.42532 22.90000 23.29360 34.32240 23.33957 0.20187 0.00063 215.22616 100.82016 0.04940 -999.00000 -999.00000 -999.00000 0.34714 28.57000 23.29610 34.33180 23.34632 0.19605 0.00051 215.15147 100.79273 0.04860 -999.00000 -999.00000 -999.00000 0.25254 33.72000 23.29520 34.33390 23.34849 0.24200 0.00063 215.09006 100.76577 0.04985 -999.00000 -999.00000 -999.00000 0.16443 38.62000 23.29670 34.33760 23.35115 0.24200 0.00066 214.98194 100.72111 0.04958 -999.00000 -999.00000 -999.00000 0.11549 43.24000 23.30170 34.36370 23.36974 0.27457 0.00064 214.90515 100.71361 0.04848 -999.00000 -999.00000 -999.00000 0.08916 47.44000 23.30920 34.37380 23.37546 0.27162 0.00071 214.89929 100.72308 0.04625 -999.00000 -999.00000 -999.00000 0.07269 52.70000 23.30850 34.37930 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