B946 sagebf946bcs2010 Latitude 33.5373 Longitude -116.5925 Elevation 1429 m Install Date 2010-07-23 Contents Of Tar files for year YYYY File Contents B946.YYYY.xml.gauge0.txt.gz Processed data from gauge 0 (CH0) B946.YYYY.xml.gauge1.txt.gz Processed data from gauge 1 (CH1) B946.YYYY.xml.gauge2.txt.gz Processed data from gauge 2 (CH2) B946.YYYY.xml.gauge3.txt.gz Processed data from gauge 3 (CH3) B946.YYYY.xml.Eee+Enn.txt.gz Processed areal strain, manufacturer's calibration B946.YYYY.xml.Eee-Enn.txt.gz Processed differential strain, manufacturer's calibration B946.YYYY.xml.2Ene.txt.gz Processed engineering shear strain, manufacturer's calibration some tars may contain the additional files B946.YYYY.xml.Eee+Enn.ER2010.txt.gz Processed areal strain, Roeloffs [2010], calibration B946.YYYY.xml.Eee-Enn.ER2010.txt.gz Processed differential strain, Roeloffs [2010], calibration B946.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 = 330.8 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 450.420 -538.520 -0.00093 -0.19688 0.000 0.00000 CH1 191.210 -206.050 -0.00215 -0.01344 0.000 0.00000 CH2 253.720 -243.030 -0.00105 -0.09058 0.000 0.00000 CH3 95.210 -119.240 -0.00381 0.01440 0.000 0.00000 Detrend reference date /detrend_ref Barometric Response Gauge Response(ns/millibar) CH0 -6.9 CH1 -6.5 CH2 -6.1 CH3 -6.6 Tidal Constituents Gauge Tide Phase Amp(ns) CH0 M2 -152.586 7.636 CH0 O1 -178.406 6.629 CH0 P1 -176.063 2.213 CH0 K1 -162.201 5.567 CH0 N2 -127.310 0.948 CH0 S2 -162.083 4.258 CH1 M2 -177.200 13.437 CH1 O1 -175.174 5.422 CH1 P1 -170.145 1.483 CH1 K1 -170.164 5.563 CH1 N2 -178.535 2.673 CH1 S2 177.800 6.978 CH2 M2 -162.216 6.762 CH2 O1 172.117 5.339 CH2 P1 170.095 1.482 CH2 K1 175.447 5.720 CH2 N2 -155.815 1.247 CH2 S2 179.392 3.259 CH3 M2 -140.303 5.675 CH3 O1 179.140 6.246 CH3 P1 177.986 1.873 CH3 K1 -179.952 6.438 CH3 N2 -111.256 0.790 CH3 S2 -157.933 2.710 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 = 330.8 ISOTROPIC 0.29629687 0.51851817 0.29629599 0.22222231 ISOTROPIC -0.08478944 0.37022618 -0.06330080 -0.22213594 ISOTROPIC -0.38268241 -0.01033823 0.38681703 0.00620361 Tue Aug 15 11:28:02 MDT 2017