UvA-DARE (Digital Academic Repository) Measuring soil ... · Measurement of the complex dielectric...

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UvA-DARE is a service provided by the library of the University of Amsterdam (http://dare.uva.nl) UvA-DARE (Digital Academic Repository) Measuring soil water content with time domain reflectometry and ground-penetrating radar Huisman, J.A. Link to publication Citation for published version (APA): Huisman, J. A. (2002). Measuring soil water content with time domain reflectometry and ground-penetrating radar. UvA. General rights It is not permitted to download or to forward/distribute the text or part of it without the consent of the author(s) and/or copyright holder(s), other than for strictly personal, individual use, unless the work is under an open content license (like Creative Commons). Disclaimer/Complaints regulations If you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, stating your reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Ask the Library: https://uba.uva.nl/en/contact, or a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam, The Netherlands. You will be contacted as soon as possible. Download date: 15 Jan 2021

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Page 1: UvA-DARE (Digital Academic Repository) Measuring soil ... · Measurement of the complex dielectric permittivity of soils. Water Resources Research, 30(2): 189-199. Heimovaara, T.J.

UvA-DARE is a service provided by the library of the University of Amsterdam (http://dare.uva.nl)

UvA-DARE (Digital Academic Repository)

Measuring soil water content with time domain reflectometry and ground-penetrating radar

Huisman, J.A.

Link to publication

Citation for published version (APA):Huisman, J. A. (2002). Measuring soil water content with time domain reflectometry and ground-penetratingradar. UvA.

General rightsIt is not permitted to download or to forward/distribute the text or part of it without the consent of the author(s) and/or copyright holder(s),other than for strictly personal, individual use, unless the work is under an open content license (like Creative Commons).

Disclaimer/Complaints regulationsIf you believe that digital publication of certain material infringes any of your rights or (privacy) interests, please let the Library know, statingyour reasons. In case of a legitimate complaint, the Library will make the material inaccessible and/or remove it from the website. Please Askthe Library: https://uba.uva.nl/en/contact, or a letter to: Library of the University of Amsterdam, Secretariat, Singel 425, 1012 WP Amsterdam,The Netherlands. You will be contacted as soon as possible.

Download date: 15 Jan 2021

Page 2: UvA-DARE (Digital Academic Repository) Measuring soil ... · Measurement of the complex dielectric permittivity of soils. Water Resources Research, 30(2): 189-199. Heimovaara, T.J.

References

References

Ahuja, L.R., Wendroth, O. and Nielsen, D.R., 1993. Relationship between initial drainage of surface soil and average profile saturated conductivity. Soil Science Society of America Journal, 57(1): 19-25.

Annan, A.P., 1973. Radio interferometry depth sounding: part I- theoretical discussion. Geophysics, 38(3): 557-580.

Baker, J.M. and Allmaras, R.R., 1990. System for automating and multiplexing soil moisture measurements by time domain reflectometry. Soil Science Society of America Journal, 54(1): 1-6.

Baker, J.M. and Spaans, E.J A., 1993. Comments on "Time domain reflectometry measurements of water content and electrical conductivity of layered soil columns". Soil Science Society of America Journal, 57: 1395-1396.

Bouten, W., Heimovaara, T.J. and Tiktak, A., 1992. Spatial patterns of throughfall and soil water dynamics in a Douglas fir stand. Water Resources Research, 28(12): 3227-3233.

Box, G.E.P. and Tiao, G.C., 1973. Bayesian inference in statistical analysis. Addison-Wesley-Longman Publishers Co., Reeding, Massachusetts, USA, 588 p.

Brekhovskikh, L.M., 1960. Waves in layered media. Applied mathematics and mechanics, 6. Academic Press, New York, USA, 561 p.

Callies, U., Rhodin, A. and Eppel, D.P., 1998. A case study on variational soil moisture analysis from atmospheric observations. Journal of Hydrology, 212-213: 95-108.

Campbell, J.E., 1990. Dielectric properties and influence of conductivity in soils at one to fifty megahertz. Soil Science Society of America Journal, 54: 332-341.

Chanzy, A., Tarussov, A., Judge, A. and Bonn, F., 1996. Soil water content determination using a digital ground-penetrating radar. Soil Science Society of America Journal, 60: 1318-1326.

Clarkson, T.S., Glasser, L., Tuxworth, R.W. and Williams, G., 1977. An appreciation of experimental factors in time-domain spectroscopy. Advances in Molecular Relaxation Processes, 10: 173-202.

Dalton, F.N., Herkelrath, W.N., Rawlins, D.S. and Rhoades, J.D., 1984. Time-domain reflectometry: simultaneous measurement of soil water content and electrical conductivity with a single probe. Science, 224: 989-990.

Davis, J.L. and Annan, A.P., 1989. Ground-penetrating radar for high resolution mapping of soil and rock stratigraphy. Geophysical Prospecting, 37: 531-551.

de Rooij, G.H. and Stagnitti, F., 2002. Spatial and temporal distribution of solute leaching in heterogeneous soils: analysis and application to multisampler lysimeter data. Journal of Contaminant Hydrology, 54(3-4): 329-346.

Debye, P., 1929. Polar Molecules. Dover Publications Inc., USA, 128 p. Dobson, M.C., Ulaby, FT., Hallikainen, M.T. and El-Rayes, M.A., 1985. Microwave dielectric

behaviour of wet soil-part II: dielectric mixing models. IEEE Transactions on Geoscience and Remote Sensing, GE-23(1): 35-46.

147

Page 3: UvA-DARE (Digital Academic Repository) Measuring soil ... · Measurement of the complex dielectric permittivity of soils. Water Resources Research, 30(2): 189-199. Heimovaara, T.J.

References

Du, S., 1996. Determination of water content in the subsurface with the ground wave of ground penetrating radar, PhD-thesis Ludwig-Maximilians-Universitat, München, 117 p.

Du, S. and Rummel, P., 1994. Reconnaissance studies of moisture in the subsurface with GPR, Proceedings of the 5th international conference on ground penetrating radar. Waterloo Centre for Groundwater Research, Waterloo, Kitchener, Ontario, Canada: 1241-1248.

Duan, Q., Sorooshian, S. and Gupta, V., 1992. Effective and efficient global optimization for conceptual rainfall-runoff models. Water Resources Research, 28(4): 1015-1031.

Entekhabi, D. et al., 1999. An agenda for land surface hydrology research and a call for the second international hydrological decade. Bulletin of the American Meteorological Society, 80(10): 2043-2058.

Famiglietti, J.S., Rudnicki, J.W. and Rodell, M., 1998. Variability in surface moisture content along a hillslope transect: Ratdesnake HiD, Texas. Journal of Hydrology, 210: 259-281.

Famiglietti, J.S. et al., 1999. Ground-based investigation of soil moisture variability within remote sensing footprints during the Southern Great Plains 1997 (SGP97) hydrology experiment. Water Resources Research, 35(6): 1839-1851.

Feldman, Y. et al., 1996. Time domain dielectric spectroscopy: an advanced measuring system. Review of Scientific Instrument, 67(9): 3208-3216.

Feng, W., Lin, C.P., Deschamps, R.J. and Drnevich, V.P., 1999. Theoretical model of a multisection time domain reflectometry measurement system. Water Resources Research, 35(8): 2321-2331.

Ferré, P. A., Rudolph, D.L. and Kachanoski, R.G., 1996. Spatial averaging of water content by time domain reflectometry: implications for twin rod probes with and without dielectric coatings. Water Resources Research, 32(2): 271-279.

Ferré, P.A., Knight, J.H., Rudolph, D.L. and Kachanoski, R.G., 1998. The sample areas of conventional and alternative time domain reflectometry probes. Water Resources Research, 34(11): 2971-2979.

Ferré, P.A. and Huisman, J.A., 2002. Considerations on the ability to infer soil water content from travel time measurements made on spatially heterogeneous samples. Submitted to Water Resources Research.

Friedman, S.P., 1998. A saturation degree-dependent composite spheres model for describing the effective dielectric constant of unsaturated porous media. Water Resources Research, 34(11): 2949-2961.

Friel, R. and Or, D., 1999. Frequency analysis of time-domain reflectometry (TDR) with application to dielectric spectroscopy of soil constituents. Geophysics, 64(3): 707-718.

Frohne, R., 1995. Using a vector network analyzer to make time-domain transmission and reflection measurements. RF Measurements: 62-66.

Galantowizc, J.F., Entekhabi, D. and Njoku, E.G., 1999. Tests of sequential data assimilation for retrieving profile soil moisture and temperature from observed L-band radiobrightness. IEEE Transactions on Geoscience and Remote Sensing, 37(4): 1860-1870.

Garambois, S., Senechal, P. and Perroud, H., 2002. On the use of combined geophysical methods to assess water content and water conductivity of near-surface formations. Journal of Hydrology, 259(1-4): 32-48.

Giese, K. and Tiemann, R., 1975. Determination of the complex permittivity from thin-sample time domain reflectometry: improved analysis of the step response waveform. Advances in Molecular Relaxation Processes, 7: 45-59.

Goovaerts, P., 1997. Geostatistics for natural resources evaluation. Applied Geostatistics Series. Oxford University Press, Oxford, 483 p.

148

Page 4: UvA-DARE (Digital Academic Repository) Measuring soil ... · Measurement of the complex dielectric permittivity of soils. Water Resources Research, 30(2): 189-199. Heimovaara, T.J.

References

Grayson, R.B., Western, A.W., Chiew, F.H.S. and Blöschl, G., 1997. Preferred states in spatial soil moisture patterns: local and non-local controls. Water Resources Research, 33(12): 2897-2908.

Grayson, R.B. and Western, A.W., 1998. Towards areal estimation of soil water content from point measurements: time and space stability of mean response. Journal of Hydrology, 207: 68-82.

Greaves, R.J., Lesmes, D.P., Lee, J.M. and Toksoz, M.N., 1996. Velocity variations and water content estimated from multi-offset, ground-penetrating radar. Geophysics, 61(3): 683-695.

Hasted, J.B., 1973. Aqueous dielectrics. Chapman and Hall, London, 302 p. Heimovaara, T.J., 1992. Comments on "Time domain reflectometry measurements of water

content and electrical conductivity of layered soil columns. Soil Science Society of America Journal, 56(5): 1657-1658.

Heimovaara, T.J., 1993. Design of triple-wire time domain reflectometry probes in practice and theory. Soil Science Society of America Journal, 57: 1410-1417.

Heimovaara, T.J., 1994. Frequency domain analysis of time domain reflectometry waveforms: 1. Measurement of the complex dielectric permittivity of soils. Water Resources Research, 30(2): 189-199.

Heimovaara, T.J. and Bouten, W., 1990. A computer-controlled 36-channel time domain reflectometry system for monitoring soil water contents. Water Resources Research, 26(10): 2311-2316.

Heimovaara, T.J., Focke, A.G., Bouten, W. and Verstraten, J.M., 1995. Assessing temporal variations in soil water composition with time domain reflectometry. Soil Science Society of America Journal, 59(3): 689-698.

Heimovaara, T.J., de Winter, E.J.G, van Loon, W.K.P. and Esveld, D.C., 1996. Frequency-dependent dielectric permittivity from 0 to 1 GHz: time domain reflectometry measurements compared with frequency domain network analyzer measurements. Water Resources Research, 32(12): 3603-3610.

Heimovaara, T.J. and Huisman, J.A., 2002. Frequency domain analysis of time domain reflectometry waveforms. Inverse modelling of measurements with ordinary probes with fixed wires. Submitted to Water Resources Research.

Herkelrath, W.N., Hamburg, S.P. and Murphy, F., 1991. Automatic, real-time monitoring of soil moisture in a remote field area with time domain reflectometry. Water Resources Research, 27(5): 857-864.

Heuvelink, G.B.M., 1998. Uncertainty analysis in environmental modelling under a change of spatial scale. Nutrient Cycling in Agroecosystems, 50: 255-264.

Heuvelink, G.B.M. and Pebesma, E.J., 1999. Spatial aggregation and soil process modelling. Geoderma, 89: 47-65.

Hoeben, R. and Troch, P.A., 2000. Assimilation of active microwave observation data for soil moisture profile estimation. Water Resources Research, 36(10): 2805-2819.

Houser, P.R. et al., 1998. Integration of soil moisture remote sensing and hydrologie modeling using data assimilation. Water Resources Research, 34(12): 3405-3420.

Hupet, F. and Vanclooster, M., 2002. Intraseasonal dynamics of soil moisture variability within a small agricultural maize cropped field. Journal of Hydrology, 261(1-4): 86-101.

Jackson, T.J. and Le Vine, D.E., 1996. Mapping surface soil moisture using an aircraft-based passive microwave instrument: algorithm and example. Journal of Hydrology, 184: 85-99.

Jackson, T.J., Schmugge, J. and Engman, E.T., 1996. Remote sensing applications to hydrology: soil moisture. Hydrological Sciences Journal, 41(4): 517-530.

149

Page 5: UvA-DARE (Digital Academic Repository) Measuring soil ... · Measurement of the complex dielectric permittivity of soils. Water Resources Research, 30(2): 189-199. Heimovaara, T.J.

References

Jacobsen, O.H. and Schjonning, P., 1994. Comparison of TDR calibration functions for soil water determination. In: O.H. Jacobsen and L.W. Petersen (Editors), Proceedings of the symposium: Time-domain reflectometry, applications in soil science. Research Centre Foulum, Denmark, September 16,1994. SP report 11: 25-33.

Jones, S.B. and Friedman, S.P., 2000. Particle shape effect on the effective permittivity of anisotropic or isotropic media consisting of aligned or randomly oriented ellipsoidal particles. Water Resources Research, 36(10): 2821-2833.

Jones, S.B. and Or, D., 2001. Frequency-domain methods for extending TDR measurement range in saline soils, proceedings of TDR 2001 - Second international symposium and workshop on time domain reflectometry for innovative geotechnical applications, 9 p.

Jones, S.B., Wraith, J.M. and Or, D., 2002. Time domain reflectometry measurement principles and applications. Hydrological Processes, 16: 141-153.

Journel, A.G. and Huijbregts, C.J., 1978. Mining geostatistics. Academic Press Limited, London, 600 p.

Keynon, W.E., 1984. Texture effects on megahertz dielectric properties of calcite rock samples. ' Journal of Applied Physics, 55(8): 3153-3159.

Kuczera, G. and Parent, E., 1998. Monte Carlo assessment of parameter uncertainty in conceptual catchment models: the metropolis algorithm. Journal of Hydrology, 211: 69-85.

Kung, K.-J.S. and Lu, Z.-B., 1993. Using ground-penetrating radar to detect layers of discontinuous dielectric constant. Soil Science Society of America Journal, 57: 335-340.

Ledieu, J., De Ridder, P., De Clerck, P. and Dautrebande, S., 1986. A method of measuring soil moisture by time domain reflectometry. Journal of Hydrology, 88: 319-328.

Lehmann, F. and Green, A.G., 1999. Semiautomated georadar data acquisition in three dimensions. Geophysics, 64(3): 719-731.

Malicki, MA., Plagge, R. and Roth, C.H., 1996. Improving the calibration of dielectric TDR soil moisture determination taking into account the solid soil. European Journal of Soil Science, 47: 357-366.

Mallants, D. et al., 1996. Comparison of three methods to calibrate TDR for monitoring solute movement in undisturbed soil. Soil Science Society of America Journal, 60: 747-754.

McKay, M.D., Conover, W.J. and Beekman, R.J., 1979. A comparison of three methods for selection values of input variables in the analysis of output from a computer code. Technometrics, 2: 239-245.

McLaughlin, D., 1995. Recent developments in hydrologie data assimilation. Reviews of Geophysics, 33: 977-984.

Merz, B. and Plate, E.J., 1997. An analysis of the effects of spatial variability of soil and soil moisture on runoff. Water Resources Research, 33(12): 2909-2922.

Merz, B. and Bardossy, A., 1998. Effects of spatial variability on the rainfall runoff process in a small loess catchment. Journal of Hydrology, 212-213: 304-317.

Metropolis, N., Rosenbluth, A.W., Rosenbluth, M.N., Teller, A.H. and Teller, E., 1953. Equations of state calculations by fast computing machines. Journal of Chemical Physics, 21: 1097-1091.

Mohanty, B.P., Famiglietti, J.S. and Skaggs, T.H., 2000. Evolution of soil moisture spatial structure in a mixed vegetation pixel during the Southern Great Plains 1997 (SGP 97) hydrology experiment. Water Resources Research, 36(12): 3675-3686.

Molyneux, J.B. and Schmitt, D.R., 1999. First-break timing: Arrival onset times by direct correlation. Geophysics, 64(5): 1492-1501.

Nelson, S.O., 1994. Measurement of microwave dielectric properties of particulate materials. Journal of Food Engineering, 21: 365-384.

150

Page 6: UvA-DARE (Digital Academic Repository) Measuring soil ... · Measurement of the complex dielectric permittivity of soils. Water Resources Research, 30(2): 189-199. Heimovaara, T.J.

References

Nissen, H.H., Moldrup, P., de Jonge, L.W. and Jacobsen, O.H., 1999. Time Domain Reflectometry coil probe measurements of water content during fingered flow. Soil Science Society of America Journal, 63: 493-500.

Paltineanu, I.C. and Starr, J.L., 1997. Real-time soil water dynamics using multisensor capacitance probes: laboratory calibration. Soil Science Society of America Journal, 61: 1576-1585.

Pardo-Iguzquiza, E. and Dowd, P.A., 2001a. VARIOG2D: a computer program for estimating the semi-variogram and its uncertainty. Computers & Geosciences, 27(5): 549-561.

Pardo-Iguzquiza, E. and Dowd, P.A., 2001b. Variance-covariance matrix of the experimental variogram: Assessing variogram uncertainty. Mathematical Geology, 33(4): 397-419.

Pauwels, V.R.N., Hoeben, R, Verhoest, N.E.C. and De Troch, F.P., 2001. The importance of the spatial patterns of remotely sensed soil moisture in the improvement of discharge predictions for small-scale basins through data assimilation. Journal of Hydrology, 251: 88-102.

Pebesma, E.J. and Wesseling, C.G, 1998. GSTAT: a program for geostatistical modelling, prediction and simulation. Computers & Geosciences, 24(1): 17-31.

Press, W.H., Flannery, B.P., Teukolsky, S.A. and Vetterling, W.T., 1986. Numerical recipes: the art of scientific computing. Cambridge University Press, New York, 818 p.

Reece, C.F., 1998. Simple method for determining cable length resistance in time domain reflectometry systems. Soil Science Society of America Journal, 62(2): 314-317.

Reichle, R.H., Entekhabi, D. and McLaughlin, D.B., 2001. Downscaling of radio brightness measurements for soil moisture estimation: A four-dimensional variational data assimilation approach. Water Resources Research, 37(9): 2353-2364.

Ritsema, C.J., 1999. Special issue: preferential flow of water and solutes in soils. Journal of Hydrology, 215(1-4): 1-3.

Ritsema, C.J. and Dekker, L.W., 1998. Three-dimensional patterns of moisture, water repellency, bromide and pH in a sandy soil. Journal of Contaminant Hydrology, 31(3-4): 295-313.

Roth, K., Schulin, R., Fluhler, H. and Attinger, W., 1990. Calibration of time domain reflectometry for water content measurement using a composite dielectric approach. Water Resources Research, 26(10): 2267-2273.

Scanion, B.R., 2000. Uncertainties in estimating water fluxes and residence times using environmental tracers in an arid unsaturated zone. Water Resources Research, 36(2): 395-409.

Schmugge, T.J., Jackson, T.J. and McKim, H.L., 1980. Survey of methods for soil moisture determination. Water Resources Research, 16(6): 961-979.

Shafer, J.M. and Varljen, M.D., 1990. Approximation of confidence limits on sample semivariograms from single realizations of spatially correlated random fields. Water Resources Research, 26(8): 1787-1802.

Shang, J.Q., Rowe, R.K., Umana, J.A. and Scolte, J.W., 1999. A complex permittivity measurement system for undisturbed/compacted soils. Geotechnical Testing Journal, 22(2): 159-168.

Snepvangers, J.J.J.C, Heuvelink, G.B.M. and Huisman, J.A., 2002. Soil water content interpolation using spatio-temporal kriging with external drift. Submitted to Geoderma.

Sperl, C , 1999. Erfassung der raum-zeitlichen Variation des Bodenwassergehaltes in einem Agrarökosystem mit dem Ground-Penetrating Radar. PhD-thesis Technische Universitat München, 182 p.

Tarantola, A., 1987. Inverse problem theory - Methods for data fitting and model parameter estimation. Elsevier, Amsterdam, 613 p.

151

Page 7: UvA-DARE (Digital Academic Repository) Measuring soil ... · Measurement of the complex dielectric permittivity of soils. Water Resources Research, 30(2): 189-199. Heimovaara, T.J.

References

Topp, G.C., Davis, J.L. and Annan, A.P., 1980. Electromagnetic determination of soil water content: measurements in coaxial transmission lines. Water Resources Research, 16(3): 574-582.

Topp, G.C., Yanuka, M., Zebchuk, W.D. and Zegelin, S.J., 1988. Determination of electrical conductivity using time domain reflectometry: soil and water experiments in coaxial lines. Water Resources Research, 24(7): 945-952.

USD A, 1975. Soil Taxonomy: A basic system of soil classification for making and interpreting soil surveys. Agric. Handbook 436, USDA (United States Department of Agriculture) Soil Conservation Service, Washington D.C., USA.

van der Kruk, J., 2001. Three-dimensional imaging of multi-component ground-penetrating radar data, PhD-thesis Delft University of Technology, 242 p.

van der Kruk, J. and Slob, E.C., 2002. Effective source wavelet determination. Proceedings of the ninth international conference on ground-penetrating radar. Eds: Koppenjan, S.K and Lee, H , Proceedings of SPIE, 4758: 144-149.

van Gemert, M.J.C., 1973. High-frequency time-domain methods in dielectric spectroscopy. Philips Research Report, 28: 530-572.

van Oevelen, P.J., 2000. Estimation of areal soil water content through microwave remote sensing, PhD-thesis Wageningen University, 228 p.

van Overmeeren, R.A., Sariowan, S.V. and Gehrels, J.C., 1997. Ground penetrating radar for determining volumetric soil water content; results of comparative measurements at two sites. Journal of Hydrology, 197: 316-338.

Vellidis, G , Smith, M.C., Thomas, D.L. and Asmussen, L.E., 1990. Detecting wetting front movement in a sandy soil with ground-penetrating radar. Transactions of the ASAE, 33(6): 1867-1874.

Vrugt, J.A., Gupta, H.V., Bouten, W. and Sorooshian, S., 2002. A shuffled complex evolution metropolis algorithm for optimization and uncertainty assessment of hydrological model parameters. Submitted to Water Resources Research.

Walker, J.P., Willgoose, G.R. and Kalma, J.D., 2001. One-dimensional soil moisture profile retrieval by assimilation of near-surface observations: a comparison of retrieval algorithms. Advances in Water Resources, 24: 631-650.

Webster, R. and Oliver, M.A., 2001. Geostatistics for environmental scientists. Wiley, Chichester, 271 p.

Weerts, A.H., Huisman, J.A. and Bouten, W., 2001. Information content of time domain reflectometry waveforms. Water Resources Research, 37(5): 1291-1299.

Weiier, K.W., Steenhuis, T.S., Boll, J. and Kung, K.-J.S., 1998. Comparison of ground penetrating radar and time domain reflectometry as soil water sensors. Soil Science Society of America Journal, 62: 1237-1239.

Western, A.W., Blöschl, G. and Grayson, R.B., 1998. Geostatistical characterisation of soil moisture patterns in the Tarrawarra catchment. Journal of Hydrology, 205: 20-37.

Western, A.W. and Blöschl, G., 1999. On the spatial scaling of soil moisture. Journal of Hydrology, 217: 203-224.

Western, A.W., Blöschl, G. and Grayson, R.B., 2001. Towards capturing hydrologically significant connectivity in spatial patterns. Water Resources Research, 37(1): 83-97.

Wollny, K.G., 1999. Die Natur der Bodenwelle des Georadar und ihr Einsatz zur Feuchtebestimmung, PhD-thesis Ludwig-Maximilians-Universitat, Miinchen, 169 p.

Wood, E.F., 1997. Effects of soil moisture aggregation on surface evaporative fluxes. Journal of Hydrology, 190:397-412.

152

Page 8: UvA-DARE (Digital Academic Repository) Measuring soil ... · Measurement of the complex dielectric permittivity of soils. Water Resources Research, 30(2): 189-199. Heimovaara, T.J.

References

Woodbury, A.D. and Sudicky, E.A., 1991. The geostatisrical characteristics of the borden aquifer. Water Resources Research, 27(4): 533-546.

Wraith, J.M. and Or, D., 1999. Temperature effects on soil bulk dielectric permittivity measured by time domain reflectometry: Experimental evidence and hypothesis development. Water Resources Research, 35(2): 361-369.

Wyseure, G.C.L., Mojid, M.A. and Malik, M.A., 1997. Measurement of volumetric water content byTDRin saline soils. European Journal of Soil Science, 48: 347-354.

Yu, Z., 2000. Assessing the response of subgrid hydrologie processes to atmospheric forcing with a hydrologie model system. Global and Planetary Change, 25: 1-17.

Zegelin, S.J., White, I. and Jenkins, D.R., 1989. Improved field probes for soil water content and electrical conductivity measurements using time domain reflectometry. Water Resources Research, 25(11): 2367-2376.

153

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