Ice Tethered Winch 2 Data

Data from ITW2 deployed in March 2014


Last buoy status on 2014/5/13 230031 UTC : temperature = 0.75 C, battery = 11.33 V

Plot of ITW Buoy Status

Last position on 2014/5/13 230031 UTC : 71.3961 N, 156.4882 W

Plot of ITW Locations

Last winch sample (number 389) on 2014/5/14 141500 UTC

Last volt1 = 30.1 V, current = 2.17 mA, volt2 = 30.94 V

Last counts1 = 7, counts2 = 5

Last profiler sample (number 106) on 2014/4/25 21411 UTC

Last battery = 14.996 V

Last profile pressure (with SLP): minimum = 17.3672, maximum = 18.8961 dbar

Last profile temperature: minimum = -1.7816, maximum = -1.7762 C

Last profile conductivity: minimum = 25.6518, maximum = 25.7474 mS/cm

Last profile tubidity: minimum = 2.9147, maximum = 3.6333 NTU

Last profile chlorophyll: minimum = 56.7361, maximum = 58.2396 ug/l

Plot of profiler timeseries

Plot of profiler profiles

The raw GPS buoy location data are available in an ASCII file: itw2rawlocs.dat

Time series winch data files are available in two formats:

itw2data.tar.Z or itw2data.zip

ITW2 was deployed in 1 m of fast ice offshore of Barrow, Alaska on March 29, 2014. The ITW includes a RBR logger CTD with turbidity and flourometry profiling 4 times per day. More information on the ITW is available on the Ice-Tethered Winch website .