# 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 11:06:23 # original profile science log name: f8146.197.20220220T191322.science.mat # profile date(gmt): 20-Feb-2022 16:00:28 # profile lat: 19.223 # profile lon: -134.6972 # profile number: 197 # 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 4.25000 23.31610 34.28240 23.30163 0.11332 0.00083 215.53641 100.98902 -999.00000 76.50937 -999.00000 -999.00000 64.40731 9.12000 23.31900 34.28230 23.30101 0.09680 0.00076 215.61607 101.04777 -999.00000 55.89379 -999.00000 -999.00000 33.38760 14.39000 23.31440 34.28450 23.30432 0.09680 0.00058 215.62527 101.06184 -999.00000 63.18978 -999.00000 -999.00000 32.44196 18.04000 23.31250 34.28530 23.30569 0.10958 0.00062 215.48507 100.99267 -999.00000 54.97114 -999.00000 -999.00000 23.36712 24.10000 23.32030 34.28710 23.30517 0.15263 0.00071 215.30843 100.91797 -999.00000 45.74313 -999.00000 -999.00000 15.44713 29.31000 23.31910 34.29020 23.30819 0.15143 0.00062 215.28443 100.89995 -999.00000 33.29062 -999.00000 -999.00000 8.30087 33.62000 23.32440 34.29170 23.30805 0.14231 0.00050 215.19227 100.86394 -999.00000 26.01733 -999.00000 -999.00000 5.20062 39.07000 23.34040 34.29770 23.30827 0.19360 0.00066 215.09277 100.84352 -999.00000 23.63455 -999.00000 -999.00000 3.69538 44.30000 23.35820 34.30590 23.30963 0.21008 0.00075 214.97215 100.81690 -999.00000 22.92224 -999.00000 -999.00000 2.96862 48.92000 23.36750 34.31270 23.31235 0.22032 0.00058 214.87400 100.78823 -999.00000 20.79838 -999.00000 -999.00000 2.26226 54.09000 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