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Spatio-temporal Dynamics of a Soil Moisture Field: Sampling Error Analysis with Simulation Study

Yıl 2009, Cilt: 1 Sayı: 2, 8 - 13, 15.06.2009

Öz

In this study, effects of intermittent visit of observation satellite, partial coverage of remote sensing, heterogeneity of soil properties and precipitation on soil moisture estimations were investigated to develop a sampling strategy. In the soil moisture sampling error analysis, a modified form of theoretical soil moisture model proposed by [1], the WGR model proposed by [2] for use of generating rainfall and the Turning Bands Method for use of generating two dimensional random fields were employed. The evaluation of study results indicates that the sampling error is mainly dominated by sampling interval. The effect of heterogeneity of soil properties and rainfall on sampling error is considerably smaller than that of intermittent visit of observation satellite. The study results suggest that the sampling error generated by other factors such as heterogeneity of rainfall and soil properties, topography and climate conditions can be significantly reduced by increasing the sampling interval, for example, at least twice per day. The effect of partial coverage on sampling error can be ignored provided that the annual mean of coverage portion is higher than 90 %. The impact of water retention capacity of fields on the sampling error seems to be significant. More specifically, the smaller the water retention capacity of fields (i.e., a smaller soil porosity and a thinner active soil depth) the larger the sampling error.

Kaynakça

  • [1] D. Entekhabi and I. Rodriguez-Iturbe, “Analytical framework for the characterization of the space-time variability of soil moisture”. Advances in Water Resources, 17, 25-45, 1994. [2] E. Waymire, V.K. Gupta and I. Rodriguez-Iturbe, “Spectral theory of rainfall intensity at the Meso-b scale”, Water Resources Research, 20(10), 1453-1465, 1984. [3] D. Entekhabi and P.S. Eagleson, “Land surface hydrology parametrization for atmospheric general circulation models including subgrid scale spatial variability”, J. Climate, 2, 816-831, 1989. [4] G. Kim and A.P. Barros, A.P., “Space-time characterization of soil moisture from passive microwave remotely sensed imagery and ancillary data”, Remote Sensing of Environment, 81, 393-403, 2002. [5] K.L. Brubaker and D. Entekhabi, “An analytic approach to modeling land-atmosphere interaction 1. Construct and equilibrium behavior”, Water Resources Research, 31(3), 619-632, 1995. [6] I. Rodriguez-Iturbe, D. Entekhabi and R.L. Bras, “Non-linear dynamics of soil moisture at climate scales 1. Stochastic analysis”, Water Resources Research, 27(8) 1899-1906, 1991a. [7] I. Rodriguez-Iturbe, D. Entekhabi, J.S. Lee and R.L. Bras,”Non-linear dynamics of soil moisture at climate scales 2. Chaotic analysis”, Water Resources Research, 27(8), 1907-1915, 1991b. [8] P.S. Eagleson, “Climate, soil and vegetation 3. A simplified model for soil moisture movement in the liquid phase”, Water Resources Research, 14(5), 722-730, 1978. [9] C.P. Kim and J.N.M. Stricker, “Influence of spatially variable soil hydraulic properties and rainfall intensity on the water budget”, Water Resources Research, 32(6), 1699-1712, 1996. [10] C.E. Graves, J.B. Valdés, S.S.P. Shen and G.R. North, “Evaluation of sampling error of precipitation from space and ground sensors”, Journal of Applied Meteorology, 32, 374-384, 1993. [11] G.A. Meehl and W.M. Washington, “A comparison of soil moisture sensitivity in two climate models”, Journal of Atmospheric Science, 45, 1476-1492, 1988. [12] P. Whittle, “Topographic correlation, power-law covariance functions, and diffusion”, Biometrica, 49(3), 305-314, 1962. [13] S. Islam, R.L. Bras and I. Rodriguez-Iturbe,” Multi-dimensional modeling of cumulative rainfall: parameter estimation and model adequacy through a continuum of scales”, Water Resources Research, 24, 992-995, 1988. [14] J.B. Valdés, S. Nakamoto, S.S.P. Shen and G.R. North, “Estimation of multi-dimensional precipitation parameters by Arial estimates of oceanic rainfall”, Journal of Geophysical Research (Atmos.), 95(D3), 2101-2111, 1990. [15] R.W. Keopsell and J.B. Valdés, “Multi-dimensional rainfall parameter estimation from sparse network”, ASCE Journal of Hydraulic Engineering, 117, 832-850, 1991. [16] G. Matheron, “Intrinsic random functions and their applications”, Advances in Applied Probability, 5, 439-448, 1973. [17] A. Mantoglou and J.L. Wilson, “The turning bands method for simulation of random fields using line generation by a spectral method”, Water Resources Research, 18(5), 1379-1394, 1982
Yıl 2009, Cilt: 1 Sayı: 2, 8 - 13, 15.06.2009

Öz

Kaynakça

  • [1] D. Entekhabi and I. Rodriguez-Iturbe, “Analytical framework for the characterization of the space-time variability of soil moisture”. Advances in Water Resources, 17, 25-45, 1994. [2] E. Waymire, V.K. Gupta and I. Rodriguez-Iturbe, “Spectral theory of rainfall intensity at the Meso-b scale”, Water Resources Research, 20(10), 1453-1465, 1984. [3] D. Entekhabi and P.S. Eagleson, “Land surface hydrology parametrization for atmospheric general circulation models including subgrid scale spatial variability”, J. Climate, 2, 816-831, 1989. [4] G. Kim and A.P. Barros, A.P., “Space-time characterization of soil moisture from passive microwave remotely sensed imagery and ancillary data”, Remote Sensing of Environment, 81, 393-403, 2002. [5] K.L. Brubaker and D. Entekhabi, “An analytic approach to modeling land-atmosphere interaction 1. Construct and equilibrium behavior”, Water Resources Research, 31(3), 619-632, 1995. [6] I. Rodriguez-Iturbe, D. Entekhabi and R.L. Bras, “Non-linear dynamics of soil moisture at climate scales 1. Stochastic analysis”, Water Resources Research, 27(8) 1899-1906, 1991a. [7] I. Rodriguez-Iturbe, D. Entekhabi, J.S. Lee and R.L. Bras,”Non-linear dynamics of soil moisture at climate scales 2. Chaotic analysis”, Water Resources Research, 27(8), 1907-1915, 1991b. [8] P.S. Eagleson, “Climate, soil and vegetation 3. A simplified model for soil moisture movement in the liquid phase”, Water Resources Research, 14(5), 722-730, 1978. [9] C.P. Kim and J.N.M. Stricker, “Influence of spatially variable soil hydraulic properties and rainfall intensity on the water budget”, Water Resources Research, 32(6), 1699-1712, 1996. [10] C.E. Graves, J.B. Valdés, S.S.P. Shen and G.R. North, “Evaluation of sampling error of precipitation from space and ground sensors”, Journal of Applied Meteorology, 32, 374-384, 1993. [11] G.A. Meehl and W.M. Washington, “A comparison of soil moisture sensitivity in two climate models”, Journal of Atmospheric Science, 45, 1476-1492, 1988. [12] P. Whittle, “Topographic correlation, power-law covariance functions, and diffusion”, Biometrica, 49(3), 305-314, 1962. [13] S. Islam, R.L. Bras and I. Rodriguez-Iturbe,” Multi-dimensional modeling of cumulative rainfall: parameter estimation and model adequacy through a continuum of scales”, Water Resources Research, 24, 992-995, 1988. [14] J.B. Valdés, S. Nakamoto, S.S.P. Shen and G.R. North, “Estimation of multi-dimensional precipitation parameters by Arial estimates of oceanic rainfall”, Journal of Geophysical Research (Atmos.), 95(D3), 2101-2111, 1990. [15] R.W. Keopsell and J.B. Valdés, “Multi-dimensional rainfall parameter estimation from sparse network”, ASCE Journal of Hydraulic Engineering, 117, 832-850, 1991. [16] G. Matheron, “Intrinsic random functions and their applications”, Advances in Applied Probability, 5, 439-448, 1973. [17] A. Mantoglou and J.L. Wilson, “The turning bands method for simulation of random fields using line generation by a spectral method”, Water Resources Research, 18(5), 1379-1394, 1982
Toplam 1 adet kaynakça vardır.

Ayrıntılar

Bölüm Makaleler
Yazarlar

Gwangseob Kim Bu kişi benim

Yayımlanma Tarihi 15 Haziran 2009
Gönderilme Tarihi 22 Ekim 2017
Yayımlandığı Sayı Yıl 2009 Cilt: 1 Sayı: 2

Kaynak Göster

APA Kim, G. (2009). Spatio-temporal Dynamics of a Soil Moisture Field: Sampling Error Analysis with Simulation Study. International Journal of Engineering Research and Development, 1(2), 8-13.
Tüm hakları saklıdır. Kırıkkale Üniversitesi, Mühendislik Fakültesi.