B017 flinkm017bwa2007 Latitude 46.996 Longitude -123.5575 Elevation 33.9 m Install Date 2007-07-11 Contents Of Tar files for year YYYY File Contents B017.YYYY.xml.gauge0.txt.gz Processed data from gauge 0 (CH0) B017.YYYY.xml.gauge1.txt.gz Processed data from gauge 1 (CH1) B017.YYYY.xml.gauge2.txt.gz Processed data from gauge 2 (CH2) B017.YYYY.xml.gauge3.txt.gz Processed data from gauge 3 (CH3) B017.YYYY.xml.Eee+Enn.txt.gz Processed areal strain, manufacturer's calibration B017.YYYY.xml.Eee-Enn.txt.gz Processed differential strain, manufacturer's calibration B017.YYYY.xml.2Ene.txt.gz Processed engineering shear strain, manufacturer's calibration some tars may contain the additional files B017.YYYY.xml.Eee+Enn.ER2010.txt.gz Processed areal strain, Roeloffs [2010], calibration B017.YYYY.xml.Eee-Enn.ER2010.txt.gz Processed differential strain, Roeloffs [2010], calibration B017.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 = 323.5 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 -276.877 275.920 -0.00100 0.23000 0.000 0.00000 CH1 -2.710 0.000 0.00000 0.25700 0.000 0.00000 CH2 -27.240 0.000 0.00000 0.21600 0.000 0.00000 CH3 -100.148 126.380 -0.00650 0.11300 0.000 0.00000 Detrend reference date 2007-07-11T00:00:00 Barometric Response Gauge Response(ns/millibar) CH0 -10.3 CH1 -9.6 CH2 -10.0 CH3 -8.9 Tidal Constituents Gauge Tide Phase Amp(ns) CH0 M2 000.00 0.00 CH0 O1 000.00 0.00 CH0 P1 000.00 0.00 CH0 K1 000.00 0.00 CH0 N2 000.00 0.00 CH0 S2 000.00 0.00 CH1 M2 000.00 0.00 CH1 O1 000.00 0.00 CH1 P1 000.00 0.00 CH1 K1 000.00 0.00 CH1 N2 000.00 0.00 CH1 S2 000.00 0.00 CH2 M2 000.00 0.00 CH2 O1 000.00 0.00 CH2 P1 000.00 0.00 CH2 K1 000.00 0.00 CH2 N2 000.00 0.00 CH2 S2 000.00 0.00 CH3 M2 0.0 0.0 CH3 O1 0.0 0.0 CH3 P1 0.0 0.0 CH3 K1 0.0 0.0 CH3 N2 0.0 0.0 CH3 S2 0.0 0.0 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 = 323.5 ISOTROPIC 0.29629664 0.51851777 0.29629645 0.22222248 ISOTROPIC 0.01441086 0.36087740 -0.15876130 -0.21652696 ISOTROPIC -0.39169801 0.08331818 0.35837016 -0.04999033 Wed Mar 5 23:49:20 MST 2014