B010 PacGeoSi2BBC2005 Latitude 48.6501676 Longitude -123.451333 Elevation 5.0 m Install Date 2005-09-26 Contents Of Tar files for year YYYY File Contents B010.YYYY.xml.gauge0.txt.gz Processed data from gauge 0 (CH0) B010.YYYY.xml.gauge1.txt.gz Processed data from gauge 1 (CH1) B010.YYYY.xml.gauge2.txt.gz Processed data from gauge 2 (CH2) B010.YYYY.xml.gauge3.txt.gz Processed data from gauge 3 (CH3) B010.YYYY.xml.Eee+Enn.txt.gz Processed areal strain, manufacturer's calibration B010.YYYY.xml.Eee-Enn.txt.gz Processed differential strain, manufacturer's calibration B010.YYYY.xml.2Ene.txt.gz Processed engineering shear strain, manufacturer's calibration some tars may contain the additional files B010.YYYY.xml.Eee+Enn.ER2010.txt.gz Processed areal strain, Roeloffs [2010], calibration B010.YYYY.xml.Eee-Enn.ER2010.txt.gz Processed differential strain, Roeloffs [2010], calibration B010.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 = 267.8 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 -73.700 0.000 0.00000 -0.00412 75.117 -0.00123 CH1 37.320 -316.050 -0.00469 0.00144 281.030 -0.00607 CH2 28.420 0.000 0.00000 0.09912 0.000 0.00000 CH3 153.630 -279.770 -0.00262 0.00332 0.000 0.00000 Detrend reference date 2005-09-26T00:00:00 Barometric Response Gauge Response(ns/millibar) CH0 -4.3 CH1 -3.8 CH2 0.2 CH3 -3.1 Tidal Constituents Gauge Tide Phase Amp(ns) CH0 M2 45.186 79.925 CH0 O1 32.206 52.339 CH0 P1 16.822 30.727 CH0 K1 13.151 101.570 CH0 N2 72.176 17.636 CH0 S2 15.093 15.228 CH1 M2 36.564 66.546 CH1 O1 46.293 38.029 CH1 P1 27.652 22.409 CH1 K1 22.403 73.392 CH1 N2 70.688 12.714 CH1 S2 -1.464 16.921 CH2 M2 -93.128 30.866 CH2 O1 -3.660 31.111 CH2 P1 -86.528 14.876 CH2 K1 -65.657 19.330 CH2 N2 -102.573 22.975 CH2 S2 -133.062 15.134 CH3 M2 63.426 60.600 CH3 O1 37.547 47.960 CH3 P1 18.881 27.307 CH3 K1 16.070 90.390 CH3 N2 83.864 13.314 CH3 S2 55.246 14.626 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 = 267.8 ISOTROPIC 0.00000000 0.66666667 0.00000000 0.66666667 ISOTROPIC 0.63517267 -0.34711550 0.00000000 -0.28805717 ISOTROPIC 0.43491180 0.16630988 0.00000000 -0.60122168 Tue Aug 29 15:11:59 MDT 2017