# 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 11:07:15 # original profile science log name: f8146.440.20220505T175732.science.mat # profile date(gmt): 05-May-2022 15:02:05 # profile lat: 21.2984 # profile lon: -136.4929 # profile number: 440 # 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 3.63000 21.19680 34.52150 24.08012 0.19360 0.00050 256.53337 116.00302 -999.00000 7.50296 -999.00000 -999.00000 10.39738 8.57000 21.20210 34.52090 24.07847 0.20267 0.00049 259.07573 117.16503 -999.00000 6.43928 -999.00000 -999.00000 7.17823 12.84000 21.20830 34.52100 24.07707 0.20157 0.00046 256.56971 116.03921 -999.00000 5.76010 -999.00000 -999.00000 5.40862 17.61000 21.20620 34.52200 24.07865 0.17753 0.00066 251.69719 113.83512 -999.00000 4.99934 -999.00000 -999.00000 3.83828 22.37000 21.20800 34.52050 24.07727 0.18464 0.00067 247.90678 112.12290 -999.00000 4.54253 -999.00000 -999.00000 2.85140 26.69000 21.21510 34.52680 24.08036 0.18150 0.00077 246.67572 111.57489 -999.00000 4.10530 -999.00000 -999.00000 2.13404 33.09000 21.20770 34.57560 24.11983 0.21780 0.00062 243.84268 110.31335 -999.00000 3.76023 -999.00000 -999.00000 1.55582 38.25000 21.19540 34.60060 24.14247 0.20991 0.00063 241.77565 109.37652 -999.00000 3.33740 -999.00000 -999.00000 1.12237 43.08000 21.19050 34.60200 24.14513 0.20090 0.00053 240.00259 108.55148 -999.00000 2.94160 -999.00000 -999.00000 0.82182 48.20000 21.16510 34.59960 24.15050 0.22656 0.00075 237.42712 107.34740 -999.00000 2.59411 -999.00000 -999.00000 0.58347 52.62000 21.15980 34.60300 24.15476 0.26425 0.00075 234.62589 106.07790 -999.00000 2.34769 -999.00000 -999.00000 0.44718 57.84000 21.16030 34.60860 24.15916 0.28727 0.00077 232.07524 104.92569 -999.00000 2.05856 -999.00000 -999.00000 0.31945 62.09000 21.15800 34.61040 24.16138 0.25049 0.00147 230.97288 104.41155 -999.00000 1.81082 -999.00000 -999.00000 0.24207 66.65000 21.14690 34.61180 24.16572 0.25760 0.00171 229.58845 103.74931 -999.00000 1.53847 -999.00000 -999.00000 0.17540 71.07000 21.11220 34.60840 24.17282 0.25274 0.00078 228.38888 103.16629 -999.00000 1.27648 -999.00000 -999.00000 0.12470 78.00000 21.09370 34.60580 24.17624 0.29816 0.00062 227.06677 102.53530 -999.00000 0.93532 -999.00000 -999.00000 -999.00000 82.99000 21.08370 34.61210 24.18402 0.29264 0.00071 226.44145 102.25178 -999.00000 0.78475 -999.00000 -999.00000 -999.00000 88.20000 21.09480 34.61790 24.18568 0.27448 0.00062 225.74054 101.95361 -999.00000 0.68073 -999.00000 -999.00000 0.04132 92.81000 21.11240 34.63770 24.19620 0.35711 0.00046 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