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Oak Ridge Earthflow Extensometer, GPS, and Piezometer Data

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Type:	Resource
Storage:	The size of this resource is 7.3 MB
Created:	Sep 07, 2022 at 3:48 a.m. (UTC)
Last updated:	Sep 09, 2022 at 9:52 p.m. (UTC) (Metadata update)
Published date:	Sep 09, 2022 at 9:51 p.m. (UTC)
DOI:	10.4211/hs.c8bd7d03609448aa9dfda01b90f81a13
Citation:	See how to cite this resource

Sharing Status:	Published
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Abstract

This archive includes data used in Finnegan et al.'s GRL paper "Seasonal Slow Landslide Displacement is Accommodated by mm-Scale Stick-Slip Events." There are three directories that contain 1) Extensometer data, including Matlab processing scripts; 2) Processed GPS data; and 3) Pore fluid pressure pressure data.

Subject Keywords

Coverage

Spatial

Coordinate System/Geographic Projection:

WGS 84 EPSG:4326

Coordinate Units:

Decimal degrees

Place/Area Name:

Oak Ridge Earthflow

North Latitude

37.4672°

East Longitude

-121.7472°

South Latitude

37.4509°

West Longitude

-121.7570°

Temporal

Start Date:
End Date:

Content

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readme.txt

This archive contains three directories:

1) Extensometer Data. This directory includes raw extensometer data and Matlab processing scripts from two 3-meter-long vibrating-wire extensometers (RST Instruments, model EXSR-1300) that cross the lateral margin of Oak Ridge earthflow. Running the processing scripts applies the temperature correction and the individual instrument calibration to the raw data.

2) GPS Data. This directory includes horizontal displacement data that are calculated for the OREO, ORE2, and ORE3 GPS stations. GPS data are telemetered to and first processed by UNAVCO and then subsequently post-processed at the Nevada Geodetic Laboratory. We use locations in the NA12 reference frame, which we convert to daily landslide displacement by removing plate tectonic motion in the NA12 reference frame (?1.7 cm/yr toward the northwest) by using data from two nearby permanent GPS stations (P253 and P227) installed on stable slopes on the same side of the actively creeping Calaveras fault as Oak Ridge earthflow.

3) Vibrating Wire Piezometer Data. This directory contains pore pressure data from one grouted vibrating-wire piezometer (RST Instruments, model VW2100-0.07) installed at 4.2 m depth adjacent to the OREO GPS antenna. Piezometer accuracy is 0.07 kPa with a precision of 0.0175 kPa. Piezometer readings, collected every 10 minutes, were corrected for changes in ground temperature and atmospheric pressure (from a nearby weather station) via a calibration from the manufacturer.

Credits

Funding Agencies

This resource was created using funding from the following sources:

Agency Name	Award Title	Award Number
National Science Foundation		1613122
National Science Foundation		1658800

How to Cite

Finnegan, N., C. Murphy, A. Nereson (2022). Oak Ridge Earthflow Extensometer, GPS, and Piezometer Data, HydroShare, https://doi.org/10.4211/hs.c8bd7d03609448aa9dfda01b90f81a13

This resource is shared under the Creative Commons Attribution CC BY.

http://creativecommons.org/licenses/by/4.0/

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