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Data related to a ground-based InSAR survey of the Slumgullion landslide, Hinsdale County, Colorado, 26 June 2010-1 July 2010

Dates

Start Date
2010-06-26
End Date
2010-07-01
Publication Date

Citation

Schulz, W.H., Coe, J.A., Ricci, P.P., Smoczyk, G.M., Shurtleff, B.L., Panosky, Joanna, and Jones, E.S., 2017, Data related to a ground-based InSAR survey of the Slumgullion landslide, Hinsdale County, Colorado, 26 June 2010-1 July 2010: U.S. Geological Survey data release, https://doi.org/10.5066/F7TX3CFW.

Summary

We performed a ground-based, interferometric, synthetic aperture radar (InSAR) survey of the Slumgullion landslide located in Hinsdale County, Colorado. The survey was performed 26 June 2010-1 July 2010 and utilized the IBIS-L InSAR system developed by IDS Corporation. Radar measurements were supplemented by hourly in-situ displacement, pore-water pressure, and rainfall measurements. In-situ displacement was measured using electronic cable extension transducers (extensometers) at three locations and GPS surveying at one location. Pore-water pressures were measured at three locations using electronic vibrating-wire pressure transducers (piezometers). Rainfall was measured at one location using a tipping-bucket rain gage. Georeferenced [...]

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GPS data.txt 4.33 KB
Sensor data.txt 12.04 KB
GIS files.zip 4.97 MB

Purpose

Knowledge of landslide kinematics is rudimentary for understanding controls on landslide motion and forecasting potential landslide hazards. InSAR may reveal landslide kinematics at various spatiotemporal scales and ground-based InSAR systems may provide data at shorter time intervals and with greater accuracy than aerial or satellite InSAR platforms, but use of ground-based InSAR systems for landslide studies has been limited. We sought to characterize kinematics of the well-studied Slumgullion landslide located in Hinsdale County, Colorado using the IBIS-L (IDS Corporation) ground-based InSAR system to better understand controls on its short-term movement and long-term evolution, while also testing the ability of the IBIS-L to provide high-quality displacement data in a relatively adverse natural setting. Characteristics making the setting adverse include the landslide’s length being equivalent to the maximum range of the instrument (4 km), potentially great variability of atmospheric and soil-moisture conditions along the landslide’s length, dense tree cover on and off the landslide, lack of high-quality radar reflectors (for example, manmade structures, large rocks, etc.), and poor (very low) angle of incidence between radar energy and the landslide surface.

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DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/F7TX3CFW

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