B001 Golbeck01 Latitude 48.043070 Longitude -123.131410 Elevation 237.00 m Install Date 2005-06-29 Contents Of Tar files for year YYYY File Contents B001.YYYY.xml.gauge0.txt.gz Processed data from gauge 0 (CH0) B001.YYYY.xml.gauge1.txt.gz Processed data from gauge 1 (CH1) B001.YYYY.xml.gauge2.txt.gz Processed data from gauge 2 (CH2) B001.YYYY.xml.gauge3.txt.gz Processed data from gauge 3 (CH3) B001.YYYY.xml.Eee+Enn.txt.gz Processed areal strain, manufacturer's calibration B001.YYYY.xml.Eee-Enn.txt.gz Processed differential strain, manufacturer's calibration B001.YYYY.xml.2Ene.txt.gz Processed engineering shear strain, manufacturer's calibration some tars may contain the additional files B001.YYYY.xml.Eee+Enn.ER2010.txt.gz Processed areal strain, Roeloffs [2010], calibration B001.YYYY.xml.Eee-Enn.ER2010.txt.gz Processed differential strain, Roeloffs [2010], calibration B001.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: 0.1 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 = 200.2 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 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 Barometric Response Gauge Response(ns/millibar) CH0 -4.5 CH1 -3.4 CH2 -4.3 CH3 -5.8 Tidal Constituents Gauge Tide Phase Amp(ns) CH0 M2 -145.855 11.948 CH0 O1 156.481 8.657 CH0 P1 154.047 3.632 CH0 K1 155.525 10.701 CH0 N2 -135.759 2.875 CH0 S2 -137.886 4.634 CH1 M2 72.226 4.222 CH1 O1 -37.697 4.833 CH1 P1 -22.275 1.851 CH1 K1 -42.037 3.966 CH1 N2 9.939 0.960 CH1 S2 73.376 4.781 CH2 M2 19.082 19.148 CH2 O1 0.199 10.807 CH2 P1 -4.935 5.414 CH2 K1 -5.356 15.264 CH2 N2 50.500 4.129 CH2 S2 -19.532 5.211 CH3 M2 -9.334 7.094 CH3 O1 55.023 3.859 CH3 P1 27.709 2.309 CH3 K1 27.105 5.153 CH3 N2 68.972 0.961 CH3 S2 -75.833 5.163 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 = 200.2 ISOTROPIC 0.29630000 0.51850000 0.29630000 0.22220000 ISOTROPIC -0.36520000 -0.06690000 0.39190000 0.04010000 ISOTROPIC 0.14230000 -0.36430000 0.00340000 0.21860000 Mon May 31 16:55:17 MDT 2021