BUY1 marmabuy1btr2014 Latitude 40.839997 Longitude 29.123121 Elevation 47 m Install Date 2014-08-26 Contents Of Tar files for year YYYY File Contents BUY1.YYYY.xml.gauge0.txt.gz Processed data from gauge 0 (CH0) BUY1.YYYY.xml.gauge1.txt.gz Processed data from gauge 1 (CH1) BUY1.YYYY.xml.gauge2.txt.gz Processed data from gauge 2 (CH2) BUY1.YYYY.xml.gauge3.txt.gz Processed data from gauge 3 (CH3) BUY1.YYYY.xml.Eee+Enn.txt.gz Processed areal strain, manufacturer's calibration BUY1.YYYY.xml.Eee-Enn.txt.gz Processed differential strain, manufacturer's calibration BUY1.YYYY.xml.2Ene.txt.gz Processed engineering shear strain, manufacturer's calibration some tars may contain the additional files BUY1.YYYY.xml.Eee+Enn.ER2010.txt.gz Processed areal strain, Roeloffs [2010], calibration BUY1.YYYY.xml.Eee-Enn.ER2010.txt.gz Processed differential strain, Roeloffs [2010], calibration BUY1.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 = 231 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 -5.8 CH1 -7.7 CH2 -3.7 CH3 -4.6 Tidal Constituents Gauge Tide Phase Amp(ns) CH0 M2 26.909 1.209 CH0 O1 -10.196 3.376 CH0 N2 27.122 0.165 CH0 S2 -53.707 0.798 CH1 M2 -112.325 1.774 CH1 O1 171.764 2.519 CH1 N2 -115.040 0.398 CH1 S2 -97.097 1.379 CH2 M2 21.587 3.571 CH2 O1 -15.725 2.158 CH2 N2 20.258 0.621 CH2 S2 11.201 1.503 CH3 M2 35.752 3.643 CH3 O1 -23.802 3.416 CH3 N2 35.398 0.691 CH3 S2 14.405 1.213 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 = 231 ISOTROPIC 0.29629630 0.51851852 0.29629630 0.22222222 ISOTROPIC -0.04441639 -0.35342234 0.18578532 0.21205341 ISOTROPIC 0.38943844 -0.11075585 -0.34513610 0.06645351 Mon May 31 16:25:12 MDT 2021