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Structural joint inversion of time-lapse crosshole ERT and GPR traveltime data

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Structural joint inversion of time-lapse crosshole ERT and GPR traveltime data. / Doetsch, Joseph; Linde, Nicklas; Binley, Andrew.
In: Geophysical Research Letters, Vol. 37, No. n/a, L24404, 21.12.2010.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Doetsch, J, Linde, N & Binley, A 2010, 'Structural joint inversion of time-lapse crosshole ERT and GPR traveltime data', Geophysical Research Letters, vol. 37, no. n/a, L24404. https://doi.org/10.1029/2010GL045482

APA

Doetsch, J., Linde, N., & Binley, A. (2010). Structural joint inversion of time-lapse crosshole ERT and GPR traveltime data. Geophysical Research Letters, 37(n/a), Article L24404. https://doi.org/10.1029/2010GL045482

Vancouver

Doetsch J, Linde N, Binley A. Structural joint inversion of time-lapse crosshole ERT and GPR traveltime data. Geophysical Research Letters. 2010 Dec 21;37(n/a):L24404. doi: 10.1029/2010GL045482

Author

Doetsch, Joseph ; Linde, Nicklas ; Binley, Andrew. / Structural joint inversion of time-lapse crosshole ERT and GPR traveltime data. In: Geophysical Research Letters. 2010 ; Vol. 37, No. n/a.

Bibtex

@article{35878bd081ff4e3783333b01a6df4f5e,
title = "Structural joint inversion of time-lapse crosshole ERT and GPR traveltime data",
abstract = "Time-lapse geophysical monitoring and inversion are valuable tools in hydrogeology for monitoring changes in the subsurface due to natural and forced (tracer) dynamics. However, the resulting models may suffer from insufficient resolution, which leads to underestimated variability and poor mass recovery. Structural joint inversion using cross-gradient constraints can provide higher-resolution models compared with individual inversions and we present the first application to time-lapse data. The results from a synthetic and field vadose zone water tracer injection experiment show that joint 3-D time-lapse inversion of crosshole electrical resistance tomography (ERT) and ground penetrating radar (GPR) traveltime data significantly improve the imaged characteristics of the point injected plume, such as lateral spreading and center of mass, as well as the overall consistency between models. The joint inversion method appears to work well for cases when one hydrological state variable (in this case moisture content) controls the time-lapse response of both geophysical methods. ",
author = "Joseph Doetsch and Nicklas Linde and Andrew Binley",
note = "{\textcopyright}2010. American Geophysical Union. All Rights Reserved.",
year = "2010",
month = dec,
day = "21",
doi = "10.1029/2010GL045482",
language = "English",
volume = "37",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "n/a",

}

RIS

TY - JOUR

T1 - Structural joint inversion of time-lapse crosshole ERT and GPR traveltime data

AU - Doetsch, Joseph

AU - Linde, Nicklas

AU - Binley, Andrew

N1 - ©2010. American Geophysical Union. All Rights Reserved.

PY - 2010/12/21

Y1 - 2010/12/21

N2 - Time-lapse geophysical monitoring and inversion are valuable tools in hydrogeology for monitoring changes in the subsurface due to natural and forced (tracer) dynamics. However, the resulting models may suffer from insufficient resolution, which leads to underestimated variability and poor mass recovery. Structural joint inversion using cross-gradient constraints can provide higher-resolution models compared with individual inversions and we present the first application to time-lapse data. The results from a synthetic and field vadose zone water tracer injection experiment show that joint 3-D time-lapse inversion of crosshole electrical resistance tomography (ERT) and ground penetrating radar (GPR) traveltime data significantly improve the imaged characteristics of the point injected plume, such as lateral spreading and center of mass, as well as the overall consistency between models. The joint inversion method appears to work well for cases when one hydrological state variable (in this case moisture content) controls the time-lapse response of both geophysical methods.

AB - Time-lapse geophysical monitoring and inversion are valuable tools in hydrogeology for monitoring changes in the subsurface due to natural and forced (tracer) dynamics. However, the resulting models may suffer from insufficient resolution, which leads to underestimated variability and poor mass recovery. Structural joint inversion using cross-gradient constraints can provide higher-resolution models compared with individual inversions and we present the first application to time-lapse data. The results from a synthetic and field vadose zone water tracer injection experiment show that joint 3-D time-lapse inversion of crosshole electrical resistance tomography (ERT) and ground penetrating radar (GPR) traveltime data significantly improve the imaged characteristics of the point injected plume, such as lateral spreading and center of mass, as well as the overall consistency between models. The joint inversion method appears to work well for cases when one hydrological state variable (in this case moisture content) controls the time-lapse response of both geophysical methods.

U2 - 10.1029/2010GL045482

DO - 10.1029/2010GL045482

M3 - Journal article

VL - 37

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - n/a

M1 - L24404

ER -