AVN2 osageavn2bok2016 Latitude 36.53212 Longitude -96.081021 Elevation 261 m Install Date 2016-09-10 Contents Of Tar files for year YYYY File Contents AVN2.YYYY.xml.gauge0.txt.gz Processed data from gauge 0 (CH0) AVN2.YYYY.xml.gauge1.txt.gz Processed data from gauge 1 (CH1) AVN2.YYYY.xml.gauge2.txt.gz Processed data from gauge 2 (CH2) AVN2.YYYY.xml.gauge3.txt.gz Processed data from gauge 3 (CH3) AVN2.YYYY.xml.Eee+Enn.txt.gz Processed areal strain, manufacturer's calibration AVN2.YYYY.xml.Eee-Enn.txt.gz Processed differential strain, manufacturer's calibration AVN2.YYYY.xml.2Ene.txt.gz Processed engineering shear strain, manufacturer's calibration some tars may contain the additional files AVN2.YYYY.xml.Eee+Enn.ER2010.txt.gz Processed areal strain, Roeloffs [2010], calibration AVN2.YYYY.xml.Eee-Enn.ER2010.txt.gz Processed differential strain, Roeloffs [2010], calibration AVN2.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 = 230.5 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 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 /detrend_ref Barometric Response Gauge Response(ns/millibar) CH0 -2.2 CH1 -2.6 CH2 -2.6 CH3 -2.7 Tidal Constituents Gauge Tide Phase Amp(ns) CH0 M2 -47.198 11.868 CH0 O1 41.689 11.113 CH0 P1 32.154 5.426 CH0 K1 42.833 13.505 CH0 N2 -72.675 1.816 CH0 S2 -54.852 7.241 CH1 M2 11.892 22.020 CH1 O1 -35.384 1.859 CH1 P1 -15.928 0.586 CH1 K1 -71.762 2.436 CH1 N2 -3.119 3.418 CH1 S2 0.282 9.189 CH2 M2 102.909 7.246 CH2 O1 -32.970 8.470 CH2 P1 -31.906 3.152 CH2 K1 -33.819 10.440 CH2 N2 98.995 1.412 CH2 S2 101.179 3.773 CH3 M2 -144.811 5.877 CH3 O1 14.835 9.703 CH3 P1 5.347 4.679 CH3 K1 9.624 11.820 CH3 N2 -157.075 1.044 CH3 S2 -129.424 3.694 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 = 230.5 ISOTROPIC 0.29629630 0.51851852 0.29629630 0.22222222 ISOTROPIC -0.05486644 -0.35031814 0.19499369 0.21019089 ISOTROPIC 0.38810410 -0.12021401 -0.34001849 0.07212841 Mon May 31 16:13:28 MDT 2021