Field measurement of soil surface hydraulic properties by disc and ring infiltrometers

Angulo-Jaramillo, Rafaël; Vandervaere, Jean‐Pierre; Roulier, S.; Thony, J.L.; Gaudet, Jean‐Paul; Vauclin, Michel

doi:10.1016/s0167-1987(00)00098-2

Cited by 279 publications

(198 citation statements)

References 96 publications

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“…Infiltration rates during the measurement time can be variable, both increasing and decreasing (Logsdon, 1997). Factors affecting temporal variability of hydraulic properties during infiltration experiments are hydrophobicity and swelling (Roth et al, 1999;Angulo-Jaramillo et al, 2000). These limitations lead in general to uncertainty, whether or not there will be major advances in in situ determination of K(h).…”

Section: Field Methodsmentioning

confidence: 99%

“…Various techniques based on either transient or steadystate water flow approaches have been used to infer soil hydraulic properties from ponded ring infiltration tests (Angulo-Jaramillo et al, 2000). Basically the flow from a ring infiltrometer set at a positive pressure head h 0 is controlled by K fs which accounts for the gravity effect and by m , the matrix flux potential for saturated conditions, which is defined as…”

Section: Pressure Ring Infiltrationmentioning

confidence: 99%

“…TI have become very popular devices for the in situ estimation of soil surface hydraulic properties (Angulo-Jaramillo et al, 2000). Because of their portability, disc and ring infiltrometers are useful instruments to investigate statistical distributions of hydraulic conductivities.…”

Section: Tension Disc Infiltrationmentioning

confidence: 99%

“…Various techniques have been developed to infer hydraulic properties from measurements of either transient flow rates, or steady ones, that emanate from a disc (Wang et al, 1998). The methods of analysis of cumulative infiltration are based either on quasi-analytical solutions or on inverse parameter estimation techniques, depending on whether the soil profile is homogeneous or not (Angulo-Jaramillo et al, 2000). Vandervaere et al (2000) found for 7 largely different soils that the lateral capillary flow (S 2 ) dominates the gravity flow (K) during a disk infiltrometer experiment.…”

Section: Tension Disc Infiltrationmentioning

confidence: 99%

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Determining Soil Hydraulic Properties

Durner

Lipsius

2005

Encyclopedia of Hydrological Sciences

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Hydraulic properties are required for modeling water and solute transport in unsaturated soils. The bottleneck for the successful application of numerical simulation models lays usually in their parameter estimation requirements. Methods to determine hydraulic properties can be classified into indirect and direct approaches. Indirect methods encompass the estimation of hydraulic properties by pedotransfer functions from more easily measured soil properties, and the prediction of the unsaturated hydraulic conductivity function from the water retention curve ( WRC ). In direct methods, observations of flow attributes from laboratory or field experiments are evaluated. This article reviews common methods to estimate the hydraulic conductivity function from the water retention characteristic and various direct measurement techniques in the laboratory and the field. We conclude with an outlook on contemporary developments in measurement techniques, stressing the key role of inverse modeling of experiments to derive optimum hydraulic properties and the importance of a future combination of noninvasive measurement techniques with inverse modeling by stochastic data fusion.

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Section: Field Methodsmentioning

confidence: 99%

Section: Pressure Ring Infiltrationmentioning

confidence: 99%

Section: Tension Disc Infiltrationmentioning

confidence: 99%

Section: Tension Disc Infiltrationmentioning

confidence: 99%

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Determining Soil Hydraulic Properties

Durner

Lipsius

2005

Encyclopedia of Hydrological Sciences

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“…Para avaliar as características hidrodinâmicas do solo, têm sido propostos diferentes métodos, tanto de laboratório (Klute & Dirksen, 1986;van Dam et al, 1994) como de campo (Hillel et al, 1972;Libardi et al, 1980;Angulo-Jaramillo et al, 2000). A curva de retenção pode ser determinada por meio de métodos indiretos, utilizando algumas propriedades do solo, como a textura, a porosidade e a matéria orgânica (Gupta & Larson, 1979;Rawls & Brakensiek, 1981;Haverkamp & Parlange, 1986;Saxton et al, 1986).…”

Section: Introductionunclassified

Desenvolvimento de um modelo fractal para a estimativa da condutividade hidráulica de solos não saturados

Fuentes

Antonino

Netto

et al. 2005

Rev. Bras. Ciênc. Solo

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RESUMOBaseado nos conceitos da geometria fractal e nas leis de Laplace e de Poiseuille, foi criado um modelo geral para estimar a condutividade hidráulica de solos não saturados, utilizando a curva de retenção da água no solo, conforme representada por um modelo em potência. Considerando o fato de que este novo modelo da condutividade hidráulica introduz um parâmetro de interpolação ainda desconhecido, e que, por sua vez, depende das propriedades dos solos, a validação do modelo foi realizada, utilizando dois valores-limite fisicamente representativos. Para a aplicação do modelo, os parâmetros de forma da curva de retenção da água no solo foram escolhidos de maneira a se obter o modelo de van Genuchten. Com a finalidade de obter fórmulas algébricas da condutividade hidráulica, foram impostas relações entre seus parâmetros de forma. A comparação dos resultados obtidos com o modelo da condutividade e a curva experimental da condutividade dos dois solos, Latossolo Vermelho-Amarelo e Argissolo Amarelo, permitiu concluir que o modelo proposto é simples em sua utilização e é capaz de predizer satisfatoriamente a condutividade hidráulica dos solos não saturados.Termos de indexação: condutividade hidráulica, curva de retenção da água no solo, modelo fractal.

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Hydrodynamic parameters of a sandy soil determined by ground‐penetrating radar inside a single ring infiltrometer

Léger

Saintenoy

Coquet

2014

Water Resources Research

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This study shows how Mualem-van Genuchten (M-vG) parameters can be obtained from GPR data acquired during water infiltration from a single ring infiltrometer in the case of a sandy soil. Water content profiles were generated at various time steps using HYDRUS-1D, based on particular values of the M-vG parameters and were converted to dielectric permittivity profiles using the Complex Refractive Index Method. The GprMax suite of programs was used to generate radargrams and to follow the wetting front progression in depth using the arrival time of the electromagnetic waves recorded by a ground-penetrating radar (GPR). Theoretically, the 1-D time convolution between reflectivity and GPR signal at any infiltration time step is related to the peak of the reflected signal recorded in the corresponding trace in the radargram. We used this relationship to invert the M-vG parameters for constant and falling head infiltrations using the Shuffled Complex Evolution (SCE-UA) algorithm. The method is presented on synthetic examples and on experiments carried out for a sandy soil. The parameters inverted are compared with values obtained in laboratory on soil samples and with disk infiltrometer measurements.

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Field measurement of soil surface hydraulic properties by disc and ring infiltrometers

Cited by 279 publications

References 96 publications

Determining Soil Hydraulic Properties

Determining Soil Hydraulic Properties

Desenvolvimento de um modelo fractal para a estimativa da condutividade hidráulica de solos não saturados

Hydrodynamic parameters of a sandy soil determined by ground‐penetrating radar inside a single ring infiltrometer

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