# 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 11:07:39 # original profile science log name: f8146.554.20220530T201120.science.mat # profile date(gmt): 30-May-2022 17:20:36 # profile lat: 21.1466 # profile lon: -136.6281 # profile number: 554 # 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 3.71000 22.45080 34.29590 23.55991 0.08000 0.00130 232.90061 107.53666 -999.00000 128.12911 145.36628 152.68501 118.05480 8.94000 22.44790 34.29560 23.56080 0.08011 0.00104 237.95364 109.84814 -999.00000 109.17992 128.14360 132.56259 81.89862 13.58000 22.41280 34.29510 23.57061 0.06386 0.00112 240.60200 111.02749 -999.00000 92.18961 108.79815 111.69075 57.66245 18.51000 22.41310 34.29440 23.57027 0.11169 0.00088 239.51801 110.48131 -999.00000 72.88382 -999.00000 -999.00000 -999.00000 23.53000 22.40330 34.29140 23.57106 0.14520 0.00071 238.64828 109.61732 -999.00000 59.77983 -999.00000 -999.00000 -999.00000 27.37000 21.87930 34.46190 23.84778 0.14520 0.00075 237.89198 108.78509 -999.00000 62.27374 77.42944 79.57126 23.06672 31.62000 21.79860 34.48850 23.89068 0.17444 0.00077 236.44394 107.94966 -999.00000 54.33584 69.06625 71.96611 17.85211 37.99000 21.63680 34.57230 23.99957 0.28400 0.00067 233.20410 106.26625 -999.00000 37.33044 48.71701 51.40941 9.67842 42.34000 21.57690 34.59450 24.03324 0.31460 0.00087 233.34747 106.23666 -999.00000 28.87625 38.64453 41.94608 -999.00000 47.16000 21.52170 34.60490 24.05664 0.38068 0.00085 233.03387 105.97754 -999.00000 23.76436 33.01612 37.60196 5.26907 53.02000 21.41110 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