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Anisotropy and depth-related heterogeneity of hydraulic conductivity in a bog peat. I: laboratory measurements

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Anisotropy and depth-related heterogeneity of hydraulic conductivity in a bog peat. I : laboratory measurements. / Beckwith, C. W.; Baird, A. J.; Heathwaite, A. L.

In: Hydrological Processes, Vol. 17, No. 1, 01.2003, p. 89-101.

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Beckwith, C. W. ; Baird, A. J. ; Heathwaite, A. L. / Anisotropy and depth-related heterogeneity of hydraulic conductivity in a bog peat. I : laboratory measurements. In: Hydrological Processes. 2003 ; Vol. 17, No. 1. pp. 89-101.

Bibtex

@article{930131cff7b74e208bebc0df23f92b2c,
title = "Anisotropy and depth-related heterogeneity of hydraulic conductivity in a bog peat. I: laboratory measurements",
abstract = "Anisotropy and heterogeneity of hydraulic conductivity (K) are suspected of greatly affecting rates and patterns of ground-water seepage in peats. A new laboratory method, termed here the modified cube method, was used to measure horizontal and vertical hydraulic conductivity (Kh and Kv) of 400 samples of bog peat. The new method avoids many of the problems associated with existing field and laboratory methods, and is shown to give relatively precise measurements of K. In the majority of samples tested, Kh was much greater than Kv, indicating that the bog peat was strongly anisotropic. Log10Kh, log10Kv, and log10 (Kh/Kv) were found to vary significantly with depth, although none of the relationships was simple. We comment on the scale dependency of our measurements.",
keywords = "bog peat, hydraulic conductivity , anisotropy , heterogeneity , modified cube method",
author = "Beckwith, {C. W.} and Baird, {A. J.} and Heathwaite, {A. L.}",
note = "Anisotropy and depth-related heterogeneity of hydraulic conductivity in a bog peat. I: laboratory measurements 10.1002/hyp.1116",
year = "2003",
month = jan,
doi = "10.1002/hyp.1116",
language = "English",
volume = "17",
pages = "89--101",
journal = "Hydrological Processes",
issn = "0885-6087",
publisher = "John Wiley and Sons Ltd",
number = "1",

}

RIS

TY - JOUR

T1 - Anisotropy and depth-related heterogeneity of hydraulic conductivity in a bog peat. I

T2 - laboratory measurements

AU - Beckwith, C. W.

AU - Baird, A. J.

AU - Heathwaite, A. L.

N1 - Anisotropy and depth-related heterogeneity of hydraulic conductivity in a bog peat. I: laboratory measurements 10.1002/hyp.1116

PY - 2003/1

Y1 - 2003/1

N2 - Anisotropy and heterogeneity of hydraulic conductivity (K) are suspected of greatly affecting rates and patterns of ground-water seepage in peats. A new laboratory method, termed here the modified cube method, was used to measure horizontal and vertical hydraulic conductivity (Kh and Kv) of 400 samples of bog peat. The new method avoids many of the problems associated with existing field and laboratory methods, and is shown to give relatively precise measurements of K. In the majority of samples tested, Kh was much greater than Kv, indicating that the bog peat was strongly anisotropic. Log10Kh, log10Kv, and log10 (Kh/Kv) were found to vary significantly with depth, although none of the relationships was simple. We comment on the scale dependency of our measurements.

AB - Anisotropy and heterogeneity of hydraulic conductivity (K) are suspected of greatly affecting rates and patterns of ground-water seepage in peats. A new laboratory method, termed here the modified cube method, was used to measure horizontal and vertical hydraulic conductivity (Kh and Kv) of 400 samples of bog peat. The new method avoids many of the problems associated with existing field and laboratory methods, and is shown to give relatively precise measurements of K. In the majority of samples tested, Kh was much greater than Kv, indicating that the bog peat was strongly anisotropic. Log10Kh, log10Kv, and log10 (Kh/Kv) were found to vary significantly with depth, although none of the relationships was simple. We comment on the scale dependency of our measurements.

KW - bog peat

KW - hydraulic conductivity

KW - anisotropy

KW - heterogeneity

KW - modified cube method

U2 - 10.1002/hyp.1116

DO - 10.1002/hyp.1116

M3 - Journal article

VL - 17

SP - 89

EP - 101

JO - Hydrological Processes

JF - Hydrological Processes

SN - 0885-6087

IS - 1

ER -