# 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 11:08:10 # original profile science log name: f8146.711.20220701T195152.science.mat # profile date(gmt): 01-Jul-2022 17:26:19 # profile lat: 22.6636 # profile lon: -137.7834 # profile number: 711 # 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 3.24000 22.49570 34.50120 23.70288 0.12816 0.00108 253.55020 117.30752 -999.00000 67.05930 75.71991 75.01468 55.97817 8.65000 22.49620 34.50110 23.70297 0.16120 0.00108 261.80747 121.12786 -999.00000 57.22088 64.78444 63.47278 36.37612 13.49000 22.49820 34.50000 23.70184 0.17799 0.00100 259.91138 120.24751 -999.00000 50.28362 57.07238 55.35533 25.12669 18.37000 22.49900 34.49990 23.70182 0.15997 0.00087 258.12599 119.42214 -999.00000 43.89007 50.02566 47.98430 17.58397 23.35000 22.49960 34.49950 23.70163 0.19360 0.00111 253.08235 117.07990 -999.00000 38.80047 44.44248 42.19682 12.21859 28.36000 22.49920 34.49930 23.70188 0.19360 0.00124 248.09592 114.76412 -999.00000 33.27852 38.21942 35.91342 8.35490 32.84000 22.50040 34.49900 23.70157 0.20316 0.00088 243.40677 112.52471 -999.00000 29.46796 33.96782 31.65753 6.02467 36.89000 22.47560 34.49870 23.70861 0.21780 0.00099 243.14673 112.17654 -999.00000 26.17590 30.27696 28.03479 4.49822 42.81000 22.16670 34.54600 23.83205 0.21780 0.00112 242.23634 111.37918 -999.00000 21.98358 25.61811 23.51651 2.87316 48.22000 22.08680 34.57710 23.87839 0.24080 0.00124 238.14812 109.28386 -999.00000 18.15792 21.31156 19.38820 1.86464 53.19000 21.91270 34.58700 23.93488 0.27611 0.00125 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