B023 cataln023bor2008 Latitude 46.1112 Longitude -123.0787 Elevation 177.4 m Install Date 2008-05-16 Contents Of Tar files for year YYYY File Contents B023.YYYY.xml.gauge0.txt.gz Processed data from gauge 0 (CH0) B023.YYYY.xml.gauge1.txt.gz Processed data from gauge 1 (CH1) B023.YYYY.xml.gauge2.txt.gz Processed data from gauge 2 (CH2) B023.YYYY.xml.gauge3.txt.gz Processed data from gauge 3 (CH3) B023.YYYY.xml.Eee+Enn.txt.gz Processed areal strain, manufacturer's calibration B023.YYYY.xml.Eee-Enn.txt.gz Processed differential strain, manufacturer's calibration B023.YYYY.xml.2Ene.txt.gz Processed engineering shear strain, manufacturer's calibration some tars may contain the additional files B023.YYYY.xml.Eee+Enn.ER2010.txt.gz Processed areal strain, Roeloffs [2010], calibration B023.YYYY.xml.Eee-Enn.ER2010.txt.gz Processed differential strain, Roeloffs [2010], calibration B023.YYYY.xml.2Ene.ER2010.txt.gz Processed engineering shear strain, Roeloffs [2010], calibration Description of Level 2 Borehole Strainmeter ASCII files. Column 1 Description of data, gauge0, gauge1 etc Column 2 Date, YYYY-MM-DDTHH:mm:ss Column 3 Day of year Column 4 Modified Julian Date Column 5 Strain (microstrain). No offsets, trends, tides or barometric corrections have been applied. Column 6 Running sum of offsets Column 7 Strain data quality flag (g=good, b=bad, m=missing) Column 8 Tidal correction (microstrain) Column 9 Borehole trend correction (microstrain) Column 10 Barometric pressure correction (microstrain) Column 11 Barometric pressure data quality flag (g=good, b=bad, m=missing, i=interpolated) Column 12 Level, quality (2a= rapid processing, 2b=post processed) Column 13 Version, data generation date Column 14 Barometeric pressure (millibars) To produce strain data with offsets, tides, trends, tides and barometric pressure effect removed use Final_Strain=Column5+Column6-Column8-Column9-Column10 Processing Information Manufacturer: GTSM Technologies Manufacturer Gauge Scale Factor: 0.05 nanostrain per digital count Manufacturer Areal Scale Factor: 1.5 Manufacturer Shear Scale Factor: 3.0 Manufacturer Gauge Weightings: CH0=1, CH1=1, CH2=1, CH3=1 CH0 Orientation recorded in field = 206.5 degrees east of north Borehole Trend Models, calculated in days, y=F+A1*exp(T1*t)+M*t+A2*exp(T2*t) Gauge F A1 T1 M A2 T2 CH0 287.810 -15.507 0.00057 0.01437 0.000 0.00000 CH1 455.200 -0.000 0.00000 -0.01236 0.000 0.00000 CH2 171.600 6847.100 -0.00237 0.03915 0.000 0.00000 CH3 308.300 -13.165 0.00068 0.03717 0.000 0.00000 Detrend reference date /detrend_ref Barometric Response Gauge Response(ns/millibar) CH0 -20.5 CH1 -18.2 CH2 -17.6 CH3 -15.6 Tidal Constituents Gauge Tide Phase Amp(ns) CH0 M2 -162.454 15.414 CH0 O1 150.889 6.974 CH0 P1 131.685 4.901 CH0 K1 158.571 9.779 CH0 N2 -146.941 3.154 CH0 S2 175.653 6.251 CH1 M2 -176.384 10.693 CH1 O1 166.402 5.535 CH1 P1 139.729 3.714 CH1 K1 172.956 7.982 CH1 N2 -155.336 1.907 CH1 S2 157.245 5.258 CH2 M2 -175.360 3.154 CH2 O1 -175.870 3.955 CH2 P1 152.841 2.299 CH2 K1 -167.798 6.916 CH2 N2 174.370 0.609 CH2 S2 176.473 3.354 CH3 M2 -152.902 5.644 CH3 O1 159.497 2.971 CH3 P1 129.805 2.412 CH3 K1 175.206 5.409 CH3 N2 -153.402 1.107 CH3 S2 -170.175 3.181 Strain Matrices To Compute Areal and Shear Strain from Gauge Strain Manufacturer's Isotropic Strain Matrix, C=1.5, D=3.0, Gauge Weights=1, Orientation = 206.5 ISOTROPIC 0.29629657 0.51851809 0.29629643 0.22222225 ISOTROPIC -0.32536016 -0.14471359 0.38324480 0.08682895 ISOTROPIC 0.21857688 -0.34092837 -0.08220571 0.20455719 Wed Aug 16 13:46:19 MDT 2017