B019 waldrf019bwa2008 Latitude 46.6527 Longitude -123.6518 Elevation 9 m Install Date 2008-05-12 Contents Of Tar files for year YYYY File Contents B019.YYYY.xml.gauge0.txt.gz Processed data from gauge 0 (CH0) B019.YYYY.xml.gauge1.txt.gz Processed data from gauge 1 (CH1) B019.YYYY.xml.gauge2.txt.gz Processed data from gauge 2 (CH2) B019.YYYY.xml.gauge3.txt.gz Processed data from gauge 3 (CH3) B019.YYYY.xml.Eee+Enn.txt.gz Processed areal strain, manufacturer's calibration B019.YYYY.xml.Eee-Enn.txt.gz Processed differential strain, manufacturer's calibration B019.YYYY.xml.2Ene.txt.gz Processed engineering shear strain, manufacturer's calibration some tars may contain the additional files B019.YYYY.xml.Eee+Enn.ER2010.txt.gz Processed areal strain, Roeloffs [2010], calibration B019.YYYY.xml.Eee-Enn.ER2010.txt.gz Processed differential strain, Roeloffs [2010], calibration B019.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 = 245.1 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 16.980 0.000 0.00000 0.05690 0.000 0.00000 CH1 35.000 0.000 0.00000 -0.00290 0.000 0.00000 CH2 60.890 -0.000 0.00000 -0.08301 0.000 0.00000 CH3 96.260 0.000 0.00000 0.03566 0.000 0.00000 Detrend reference date /detrend_ref Barometric Response Gauge Response(ns/millibar) CH0 -24.3 CH1 -20.8 CH2 -22.8 CH3 -21.2 Tidal Constituents Gauge Tide Phase Amp(ns) CH0 M2 -131.078 2.252 CH0 O1 -155.720 8.192 CH0 P1 -142.171 3.236 CH0 K1 -147.861 10.611 CH0 N2 118.064 1.160 CH0 S2 -137.770 5.012 CH1 M2 -167.973 25.872 CH1 O1 156.517 10.819 CH1 P1 145.621 3.875 CH1 K1 148.418 10.364 CH1 N2 -151.256 5.074 CH1 S2 172.696 8.227 CH2 M2 161.524 18.673 CH2 O1 -175.919 6.720 CH2 P1 -168.245 2.294 CH2 K1 -168.661 6.287 CH2 N2 171.557 3.349 CH2 S2 152.301 7.447 CH3 M2 125.553 6.311 CH3 O1 -151.445 6.865 CH3 P1 -141.650 2.315 CH3 K1 -131.769 8.371 CH3 N2 118.341 2.010 CH3 S2 179.989 3.600 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 = 245.1 ISOTROPIC 0.29629692 0.51851823 0.29629594 0.22222225 ISOTROPIC 0.14106162 -0.36451744 0.00474515 0.21871067 ISOTROPIC 0.36570040 0.06558468 -0.39193371 -0.03935137 Thu Jun 8 13:41:10 MDT 2017