Search Results - "Neuman, Shlomo P"

Perspective on theories of non-Fickian transport in heterogeneous media by Neuman, Shlomo P., Tartakovsky, Daniel M.

“…Subsurface fluid flow and solute transport take place in a multiscale heterogeneous environment. Neither these phenomena nor their host environment can be…”
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Trends, prospects and challenges in quantifying flow and transport through fractured rocks by Neuman, Shlomo P

“…Issue Title: The Future of Hydrogeology Among the current problems that hydrogeologists face, perhaps there is none as challenging as the characterization of…”
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Multiscale relationships between fracture length, aperture, density and permeability by Neuman, Shlomo P.

“…Fractured rocks exhibit a hierarchical structure which renders their attributes scale‐dependent. In particular available data indicate a tendency for fracture…”
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Three-dimensional saturated-unsaturated flow with axial symmetry to a partially penetrating well in a compressible unconfined aquifer by Tartakovsky, G.D, Neuman, S.P

“…1 A new analytical solution is presented for the delayed response process characterizing flow to a partially penetrating well in an unconfined aquifer. The new…”
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Multifaceted nature of hydrogeologic scaling and its interpretation by Neuman, Shlomo P., Di Federico, Vittorio

“…Geology is ubiquitously heterogeneous, exhibiting both discrete and continuous spatial variations on a multiplicity of scales. It is therefore natural to…”
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Effects of Peclet number on pore-scale mixing and channeling of a tracer and on directional advective porosity by Tartakovsky, Alexandre M., Neuman, Shlomo P.

“…Field tracer tests indicate that advective porosity, the quantity relating advective velocity to Darcy flux, may exhibit directional dependence. Theory (S. P…”
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Type curve interpretation of late-time pumping test data in randomly heterogeneous aquifers by Neuman, Shlomo P., Blattstein, Ayelet, Riva, Monica, Tartakovsky, Daniel M., Guadagnini, Alberto, Ptak, Thomas

“…The properties of heterogeneous media vary spatially in a manner that can seldom be described with certainty. It may, however, be possible to describe the…”
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On the geostatistical characterization of hierarchical media by Neuman, S.P, Riva, M, Guadagnini, A

“…The subsurface consists of porous and fractured materials exhibiting a hierarchical geologic structure, which gives rise to systematic and random spatial and…”
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Theoretical analysis of non‐Gaussian heterogeneity effects on subsurface flow and transport by Riva, Monica, Guadagnini, Alberto, Neuman, Shlomo P.

“…Much of the stochastic groundwater literature is devoted to the analysis of flow and transport in Gaussian or multi‐Gaussian log hydraulic conductivity (or…”
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Three-dimensional numerical inversion of pneumatic cross-hole tests in unsaturated fractured tuff: 2. Equivalent parameters, high-resolution stochastic imaging and scale effects by Vesselinov, Velimir V., Neuman, Shlomo P., Illman, Walter A.

“…In paper 1 of this two‐part series we described a three‐dimensional numerical inverse model for the interpretation of cross‐hole pneumatic tests in unsaturated…”
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New scaling model for variables and increments with heavy-tailed distributions by Riva, Monica, Neuman, Shlomo P., Guadagnini, Alberto

“…Many hydrological (as well as diverse earth, environmental, ecological, biological, physical, social, financial and other) variables, Y, exhibit frequency…”
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Comment on “Advective transport in heterogeneous aquifers: Are proxy models predictive?” by A. Fiori, A. Zarlenga, H. Gotovac, I. Jankovic, E. Volpi, V. Cvetkovic, and G. Dagan by Neuman, Shlomo P.

“…Fiori et al. (2015) examine the predictive capabilities of (among others) two “proxy” non‐Fickian transport models, MRMT (Multi‐Rate Mass Transfer) and CTRW…”
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Bayesian analysis of data-worth considering model and parameter uncertainties by Neuman, Shlomo P., Xue, Liang, Ye, Ming, Lu, Dan

“…► Data-worth analysis within a multimodel Bayesian framework. ► Compatible with maximum likelihood parameter estimation. ► Implemented on synthetic…”
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On model selection criteria in multimodel analysis by Ye, Ming, Meyer, Philip D., Neuman, Shlomo P.

“…Hydrologic systems are open and complex, rendering them prone to multiple conceptualizations and mathematical descriptions. There has been a growing tendency…”
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Comment on “Is unique scaling of aquifer macrodispersivity supported by field data?” by A. Zech et al by Neuman, Shlomo P.

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Inverse modeling of unsaturated flow using clusters of soil texture and pedotransfer functions by Zhang, Yonggen, Schaap, Marcel G., Guadagnini, Alberto, Neuman, Shlomo P.

“…Characterization of heterogeneous soil hydraulic parameters of deep vadose zones is often difficult and expensive, making it necessary to rely on other sources…”
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Blueprint for perturbative solution of flow and transport in strongly heterogeneous composite media using fractal and variational multiscale decomposition by Neuman, S.P

“…This paper offers a blueprint for extending perturbative ensemble moment (and potentially other, e.g., Gaussian or perturbative Karhunen-Loéve) solutions of…”
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Multimodel Bayesian analysis of groundwater data worth by Xue, Liang, Zhang, Dongxiao, Guadagnini, Alberto, Neuman, Shlomo P.

“…We explore the way in which uncertain descriptions of aquifer heterogeneity and groundwater flow impact one's ability to assess the worth of collecting…”
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Improved forward and inverse analyses of saturated-unsaturated flow toward a well in a compressible unconfined aquifer by Mishra, Phoolendra Kumar, Neuman, Shlomo P.

“…We present an analytical solution for flow to a partially penetrating well in a compressible unconfined aquifer that allows inferring its saturated and…”
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The New Potential for Understanding Groundwater Contaminant Transport by Neuman, Shlomo P.

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