# 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 11:07:14 # original profile science log name: f8146.437.20220505T093540.science.mat # profile date(gmt): 05-May-2022 07:14:16 # profile lat: 21.2991 # profile lon: -136.5028 # profile number: 437 # 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 3.19000 21.65760 34.51100 23.94535 0.15427 0.00054 217.56667 99.17446 -999.00000 -999.00000 -999.00000 0.00451 -999.00000 7.46000 21.66260 34.51050 23.94382 0.17812 0.00050 216.76513 98.79637 -999.00000 -999.00000 -999.00000 0.00416 -999.00000 11.90000 21.63800 34.51240 23.95231 0.18639 0.00062 216.61714 98.69302 -999.00000 -999.00000 -999.00000 0.00370 -999.00000 17.27000 21.61860 34.51370 23.95895 0.18257 0.00067 216.19787 98.46017 -999.00000 -999.00000 -999.00000 0.00338 -999.00000 23.07000 21.57690 34.51430 23.97125 0.19616 0.00055 216.36046 98.45455 -999.00000 -999.00000 -999.00000 0.00358 -999.00000 28.25000 21.52580 34.51290 23.98458 0.14520 0.00054 216.87600 98.54515 -999.00000 -999.00000 -999.00000 0.00439 -999.00000 32.90000 21.40980 34.52690 24.02741 0.16945 0.00071 217.95090 98.81357 -999.00000 -999.00000 -999.00000 0.00413 -999.00000 37.61000 21.26370 34.59320 24.11814 0.22475 0.00067 218.36989 98.90199 -999.00000 -999.00000 -999.00000 0.00418 -999.00000 42.98000 21.26030 34.59240 24.11874 0.21790 0.00058 217.94420 98.69473 -999.00000 -999.00000 -999.00000 0.00389 -999.00000 47.80000 21.25040 34.59410 24.12299 0.19282 0.00066 217.64251 98.54868 -999.00000 -999.00000 -999.00000 0.00351 -999.00000 52.76000 21.25010 34.59420 24.12341 0.24200 0.00076 217.42300 98.44315 -999.00000 -999.00000 -999.00000 0.00417 -999.00000 57.99000 21.23920 34.59620 24.12819 0.22651 0.00062 217.74785 98.57246 -999.00000 -999.00000 -999.00000 0.00432 -999.00000 62.82000 21.22810 34.59960 24.13407 0.20167 0.00079 218.28083 98.79664 -999.00000 -999.00000 -999.00000 0.00397 -999.00000 67.62000 21.21570 34.60150 24.13915 0.23284 0.00088 218.25032 98.76952 -999.00000 -999.00000 -999.00000 0.00375 -999.00000 72.77000 21.21520 34.60120 24.13934 0.25056 0.00067 218.06472 98.68365 -999.00000 -999.00000 -999.00000 0.00417 -999.00000 77.72000 21.21570 34.60120 24.13946 0.21780 0.00062 217.76037 98.54679 -999.00000 -999.00000 -999.00000 0.00378 -999.00000 82.57000 21.21700 34.60220 24.14012 0.23332 0.00071 217.56033 98.45540 -999.00000 -999.00000 -999.00000 0.00339 -999.00000 87.56000 21.21180 34.60640 24.14500 0.26620 0.00075 217.58010 98.45826 -999.00000 -999.00000 -999.00000 0.00443 -999.00000 92.41000 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