B207 madisn207bwy2007 Latitude 44.619 Longitude -110.8485 Elevation 2182 m Install Date 2007-10-17 Contents Of Tar files for year YYYY File Contents B207.YYYY.xml.gauge0.txt.gz Processed data from gauge 0 (CH0) B207.YYYY.xml.gauge1.txt.gz Processed data from gauge 1 (CH1) B207.YYYY.xml.gauge2.txt.gz Processed data from gauge 2 (CH2) B207.YYYY.xml.gauge3.txt.gz Processed data from gauge 3 (CH3) B207.YYYY.xml.Eee+Enn.txt.gz Processed areal strain, manufacturer's calibration B207.YYYY.xml.Eee-Enn.txt.gz Processed differential strain, manufacturer's calibration B207.YYYY.xml.2Ene.txt.gz Processed engineering shear strain, manufacturer's calibration some tars may contain the additional files B207.YYYY.xml.Eee+Enn.ER2010.txt.gz Processed areal strain, Roeloffs [2010], calibration B207.YYYY.xml.Eee-Enn.ER2010.txt.gz Processed differential strain, Roeloffs [2010], calibration B207.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 = units="degrees" 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 0.000 0.000 0.00000 0.00000 0.000 0.00000 CH1 0.000 0.000 0.00000 0.00000 0.000 0.00000 CH2 0.000 0.000 0.00000 0.00000 0.000 0.00000 CH3 0.000 0.000 0.00000 0.00000 0.000 0.00000 Detrend reference date 2007-10-17T00:00:00 Barometric Response Gauge Response(ns/millibar) CH0 -3.4 CH1 -3.4 CH2 -3.9 CH3 -3.0 Tidal Constituents Gauge Tide Phase Amp(ns) CH0 M2 4.266 10.106 CH0 O1 148.316 3.115 CH0 K1 174.604 6.280 CH0 N2 -1.615 1.882 CH0 S2 9.031 4.918 CH1 M2 179.998 6.011 CH1 O1 -164.252 4.374 CH1 K1 -163.161 6.806 CH1 N2 179.838 1.128 CH1 S2 177.286 3.412 CH2 M2 -170.086 7.758 CH2 O1 178.685 5.881 CH2 K1 -163.716 9.038 CH2 N2 -162.120 1.565 CH2 S2 -172.489 4.328 CH3 M2 1.470 5.983 CH3 O1 149.064 3.778 CH3 K1 156.590 5.522 CH3 N2 3.375 1.147 CH3 S2 7.104 2.684 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 = units="degrees" ISOTROPIC 0.00000000 0.66666667 0.00000000 0.66666667 ISOTROPIC 0.00000000 0.00000000 0.66666667 -0.66666667 ISOTROPIC 0.00000000 -0.38490018 0.38490018 0.00000000 Mon Aug 28 13:08:48 MDT 2017