# 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: f8146.439.20220505T145758.science.mat # profile date(gmt): 05-May-2022 12:39:09 # profile lat: 21.3002 # profile lon: -136.4973 # profile number: 439 # 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 2.31000 21.25110 34.52100 24.06482 0.17142 0.00066 223.88552 101.33227 -999.00000 0.67538 1.20724 1.14899 0.94584 6.74000 21.25300 34.52060 24.06423 0.21780 0.00058 223.19182 101.02005 -999.00000 0.60025 1.08464 1.02216 0.68563 12.15000 21.25250 34.52130 24.06518 0.21780 0.00058 222.49596 100.70688 -999.00000 0.46894 0.84565 0.79741 0.42743 17.16000 21.25400 34.52040 24.06434 0.21052 0.00062 222.00732 100.48790 -999.00000 0.37071 0.66936 0.63117 0.27164 22.48000 21.26040 34.52080 24.06318 0.19360 0.00067 221.73716 100.37162 -999.00000 0.29543 0.53173 0.50072 0.16897 27.89000 21.26040 34.52120 24.06378 0.16684 0.00054 221.50353 100.26405 -999.00000 0.23022 0.41117 0.38718 0.10556 32.23000 21.25980 34.52620 24.06798 0.15242 0.00050 221.55618 100.25947 -999.00000 0.18880 0.33464 0.31473 0.07372 37.08000 21.20430 34.58490 24.12804 0.20254 0.00058 221.70254 100.30032 -999.00000 0.15636 0.27284 0.25776 0.05217 41.98000 21.19640 34.60000 24.14194 0.19254 0.00058 221.59598 100.24176 -999.00000 0.12636 0.21543 0.20573 0.03750 47.00000 21.17860 34.59980 24.14691 0.22642 0.00054 221.58402 100.21502 -999.00000 0.10131 0.16902 0.16293 0.02770 51.97000 21.17720 34.60000 24.14770 0.21656 0.00050 221.38992 100.11703 -999.00000 0.08302 0.13283 0.12859 0.02158 57.03000 21.17030 34.60150 24.15099 0.25820 0.00058 221.19320 100.02708 -999.00000 0.06684 0.10226 0.10052 0.01676 61.87000 21.17790 34.60480 24.15168 0.24995 0.00058 221.10535 99.99716 -999.00000 0.05602 0.08007 0.08022 0.01538 66.74000 21.17850 34.60490 24.15185 0.25813 0.00058 220.85546 99.88513 -999.00000 0.04651 0.06146 0.06317 0.01359 71.46000 21.17980 34.60580 24.15243 0.25786 0.00062 220.55911 99.74935 -999.00000 0.03906 0.04708 0.05038 0.01169 76.10000 21.17690 34.61040 24.15697 0.27405 0.00071 220.39813 99.64881 -999.00000 0.03473 0.03674 0.04011 0.01092 82.93000 21.11030 34.61000 24.17518 0.22624 0.00071 220.53456 99.60520 -999.00000 0.02860 0.02312 0.02841 0.00996 87.52000 21.08440 34.61250 24.18437 0.27273 0.00063 220.56494 99.60220 -999.00000 0.02499 0.01731 0.02349 0.00965 92.56000 21.11430 34.64010 24.19749 0.36505 0.00053 220.68579 99.62514 -999.00000 0.02296 0.01278 0.02012 0.01013 98.46000 20.96780 34.71460 24.29429 0.42736 0.00066 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