B950 norris950bwy2013 Latitude 44.7128 Longitude -110.6785 Elevation 2328.4 m Install Date 2013-10-01 Contents Of Tar files for year YYYY File Contents B950.YYYY.xml.gauge0.txt.gz Processed data from gauge 0 (CH0) B950.YYYY.xml.gauge1.txt.gz Processed data from gauge 1 (CH1) B950.YYYY.xml.gauge2.txt.gz Processed data from gauge 2 (CH2) B950.YYYY.xml.gauge3.txt.gz Processed data from gauge 3 (CH3) B950.YYYY.xml.Eee+Enn.txt.gz Processed areal strain, manufacturer's calibration B950.YYYY.xml.Eee-Enn.txt.gz Processed differential strain, manufacturer's calibration B950.YYYY.xml.2Ene.txt.gz Processed engineering shear strain, manufacturer's calibration some tars may contain the additional files B950.YYYY.xml.Eee+Enn.ER2010.txt.gz Processed areal strain, Roeloffs [2010], calibration B950.YYYY.xml.Eee-Enn.ER2010.txt.gz Processed differential strain, Roeloffs [2010], calibration B950.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 = 184.2 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 118.580 -130.800 -0.00155 -0.01300 0.000 0.00000 CH1 -120.917 123.420 -0.00374 -0.03462 0.000 0.00000 CH2 -96.080 97.768 -0.00150 0.03890 0.000 0.00000 CH3 109.590 -113.950 -0.00059 -0.01532 0.000 0.00000 Detrend reference date /detrend_ref Barometric Response Gauge Response(ns/millibar) CH0 -5.7 CH1 -4.8 CH2 -5.4 CH3 -6.0 Tidal Constituents Gauge Tide Phase Amp(ns) CH0 M2 3.113 11.440 CH0 O1 131.716 1.581 CH0 P1 89.767 1.364 CH0 K1 146.015 3.460 CH0 N2 -2.070 2.159 CH0 S2 3.432 5.709 CH1 M2 80.000 10.943 CH1 O1 -60.598 6.191 CH1 P1 -45.150 2.953 CH1 K1 -65.734 8.293 CH1 N2 78.801 2.220 CH1 S2 92.228 4.407 CH2 M2 -134.574 13.262 CH2 O1 71.751 3.788 CH2 P1 60.181 2.692 CH2 K1 76.741 4.559 CH2 N2 -137.796 2.702 CH2 S2 -133.453 6.325 CH3 M2 -81.752 9.499 CH3 O1 89.638 4.793 CH3 P1 80.237 2.906 CH3 K1 100.480 6.582 CH3 N2 -88.692 2.037 CH3 S2 -75.080 4.515 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 = 184.2 ISOTROPIC 0.29629630 0.51851852 0.29629630 0.22222222 ISOTROPIC -0.38513962 0.13634243 0.33060265 -0.08180546 ISOTROPIC -0.07281887 -0.34436166 0.21056354 0.20661700 Mon Sep 7 13:05:26 MDT 2015