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  • Uhlemann et al 2016

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  • Uhlemann_et_al-2016-Water_Resources_Research

    Rights statement: Copyright 2016 American Geophysical Union

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Integrated time-lapse geoelectrical imaging of wetland hydrological processes

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Integrated time-lapse geoelectrical imaging of wetland hydrological processes. / Uhlemann, S. S.; Sorensen, J. P. R.; House, A. R.; Wilkinson, P. B.; Roberts, C.; Gooddy, D. C.; Binley, A. M.; Chambers, J. E.

In: Water Resources Research, Vol. 52, No. 3, 03.2016, p. 1607-1625.

Research output: Contribution to journalJournal articlepeer-review

Harvard

Uhlemann, SS, Sorensen, JPR, House, AR, Wilkinson, PB, Roberts, C, Gooddy, DC, Binley, AM & Chambers, JE 2016, 'Integrated time-lapse geoelectrical imaging of wetland hydrological processes', Water Resources Research, vol. 52, no. 3, pp. 1607-1625. https://doi.org/10.1002/2015WR017932

APA

Uhlemann, S. S., Sorensen, J. P. R., House, A. R., Wilkinson, P. B., Roberts, C., Gooddy, D. C., Binley, A. M., & Chambers, J. E. (2016). Integrated time-lapse geoelectrical imaging of wetland hydrological processes. Water Resources Research, 52(3), 1607-1625. https://doi.org/10.1002/2015WR017932

Vancouver

Uhlemann SS, Sorensen JPR, House AR, Wilkinson PB, Roberts C, Gooddy DC et al. Integrated time-lapse geoelectrical imaging of wetland hydrological processes. Water Resources Research. 2016 Mar;52(3):1607-1625. https://doi.org/10.1002/2015WR017932

Author

Uhlemann, S. S. ; Sorensen, J. P. R. ; House, A. R. ; Wilkinson, P. B. ; Roberts, C. ; Gooddy, D. C. ; Binley, A. M. ; Chambers, J. E. / Integrated time-lapse geoelectrical imaging of wetland hydrological processes. In: Water Resources Research. 2016 ; Vol. 52, No. 3. pp. 1607-1625.

Bibtex

@article{9c124b83936241da9c6ca61f68ca0bad,
title = "Integrated time-lapse geoelectrical imaging of wetland hydrological processes",
abstract = "Wetlands provide crucial habitats, are critical in the global carbon cycle, and act as key biogeochemical and hydrological buffers. The effectiveness of these services is mainly controlled by hydrological processes, which can be highly variable both spatially and temporally due to structural complexity and seasonality. Spatial analysis of 2D geoelectrical monitoring data integrated into the interpretation of conventional hydrological data has been implemented to provide a detailed understanding of hydrological processes in a riparian wetland. This study shows that a combination of processes can define the resistivity signature of the shallow subsurface, highlighting the seasonality of these processes and its corresponding effect on biogeochemical processesthe wetland hydrology. Groundwater exchange between peat and the underlying river terrace deposits, spatially and temporally defined by geoelectrical imaging and verified by point sensor data, highlighted the groundwater dependent nature of the wetland. A 30 % increase in peat resistivity was shown to be caused by a nearly entire exchange of the saturating groundwater. For the first time, we showed that automated interpretation of geoelectrical data can be used to quantify shrink-swell of expandable soils, affecting hydrological parameters, such as, porosity, water storage capacity, and permeability. This study shows that an integrated interpretation of hydrological and geophysical data can significantly improve the understanding of wetland hydrological processes. Potentially, this approach can provide the basis for the evaluation of ecosystem services and may aid in the optimization of wetland management strategies.",
keywords = "wetland, resistivity monitoring, shrink-swell, layered groundwater system, ELECTRICAL-RESISTIVITY TOMOGRAPHY, NORTHERN PEATLAND, GEOPHYSICAL EVIDENCE, INTERFACE DETECTION, RIPARIAN WETLANDS, DC RESISTIVITY, DATA INVERSION, SOIL-MOISTURE, WATER-TABLE, PLANT-ROOTS",
author = "Uhlemann, {S. S.} and Sorensen, {J. P. R.} and House, {A. R.} and Wilkinson, {P. B.} and C. Roberts and Gooddy, {D. C.} and Binley, {A. M.} and Chambers, {J. E.}",
year = "2016",
month = mar,
doi = "10.1002/2015WR017932",
language = "English",
volume = "52",
pages = "1607--1625",
journal = "Water Resources Research",
issn = "0043-1397",
publisher = "AMER GEOPHYSICAL UNION",
number = "3",

}

RIS

TY - JOUR

T1 - Integrated time-lapse geoelectrical imaging of wetland hydrological processes

AU - Uhlemann, S. S.

AU - Sorensen, J. P. R.

AU - House, A. R.

AU - Wilkinson, P. B.

AU - Roberts, C.

AU - Gooddy, D. C.

AU - Binley, A. M.

AU - Chambers, J. E.

PY - 2016/3

Y1 - 2016/3

N2 - Wetlands provide crucial habitats, are critical in the global carbon cycle, and act as key biogeochemical and hydrological buffers. The effectiveness of these services is mainly controlled by hydrological processes, which can be highly variable both spatially and temporally due to structural complexity and seasonality. Spatial analysis of 2D geoelectrical monitoring data integrated into the interpretation of conventional hydrological data has been implemented to provide a detailed understanding of hydrological processes in a riparian wetland. This study shows that a combination of processes can define the resistivity signature of the shallow subsurface, highlighting the seasonality of these processes and its corresponding effect on biogeochemical processesthe wetland hydrology. Groundwater exchange between peat and the underlying river terrace deposits, spatially and temporally defined by geoelectrical imaging and verified by point sensor data, highlighted the groundwater dependent nature of the wetland. A 30 % increase in peat resistivity was shown to be caused by a nearly entire exchange of the saturating groundwater. For the first time, we showed that automated interpretation of geoelectrical data can be used to quantify shrink-swell of expandable soils, affecting hydrological parameters, such as, porosity, water storage capacity, and permeability. This study shows that an integrated interpretation of hydrological and geophysical data can significantly improve the understanding of wetland hydrological processes. Potentially, this approach can provide the basis for the evaluation of ecosystem services and may aid in the optimization of wetland management strategies.

AB - Wetlands provide crucial habitats, are critical in the global carbon cycle, and act as key biogeochemical and hydrological buffers. The effectiveness of these services is mainly controlled by hydrological processes, which can be highly variable both spatially and temporally due to structural complexity and seasonality. Spatial analysis of 2D geoelectrical monitoring data integrated into the interpretation of conventional hydrological data has been implemented to provide a detailed understanding of hydrological processes in a riparian wetland. This study shows that a combination of processes can define the resistivity signature of the shallow subsurface, highlighting the seasonality of these processes and its corresponding effect on biogeochemical processesthe wetland hydrology. Groundwater exchange between peat and the underlying river terrace deposits, spatially and temporally defined by geoelectrical imaging and verified by point sensor data, highlighted the groundwater dependent nature of the wetland. A 30 % increase in peat resistivity was shown to be caused by a nearly entire exchange of the saturating groundwater. For the first time, we showed that automated interpretation of geoelectrical data can be used to quantify shrink-swell of expandable soils, affecting hydrological parameters, such as, porosity, water storage capacity, and permeability. This study shows that an integrated interpretation of hydrological and geophysical data can significantly improve the understanding of wetland hydrological processes. Potentially, this approach can provide the basis for the evaluation of ecosystem services and may aid in the optimization of wetland management strategies.

KW - wetland

KW - resistivity monitoring

KW - shrink-swell

KW - layered groundwater system

KW - ELECTRICAL-RESISTIVITY TOMOGRAPHY

KW - NORTHERN PEATLAND

KW - GEOPHYSICAL EVIDENCE

KW - INTERFACE DETECTION

KW - RIPARIAN WETLANDS

KW - DC RESISTIVITY

KW - DATA INVERSION

KW - SOIL-MOISTURE

KW - WATER-TABLE

KW - PLANT-ROOTS

U2 - 10.1002/2015WR017932

DO - 10.1002/2015WR017932

M3 - Journal article

VL - 52

SP - 1607

EP - 1625

JO - Water Resources Research

JF - Water Resources Research

SN - 0043-1397

IS - 3

ER -