Estimating Uncertain Flow and Transport Parameters Using a Sequential Uncertainty Fitting Procedure

Estimating Uncertain Flow and Transport Parameters Using a Sequential Uncertainty Fitting Procedure

and Erofeeva, 2002), and seawater intrusion (Iribar et al., 1997). Inversely obtained hydrologic parameters are always uncertain Inverse modeling has brought new opportunities, but (nonunique) because of errors associated with the measurements and also new challenges. Some of the advantages are savings the invoked conceptual model, among other factors. Quantification of in time and cost of labo...

A sequential uncertainty domain inverse procedure for estimating subsurface flow and transport parameters

A parameter estimation procedure, sequential uncertainty domain parameter fitting (SUFI), is presented and has the following characteristics. The procedure is sequential in nature, meaning that one more iteration can always be made before choosing the final estimates. The procedure has a Bayesian framework, indicating that the method operates within uncertainty domains (prior, posterior) associ...

Sequential Implicit Numerical Scheme for Pollutant and Heat Transport in a Plane-Poiseuille Flow

A sequential implicit numerical scheme is proposed for a system of partial differential equations defining the transport of heat and mass in the channel flow of a variable-viscosity fluid. By adopting the backward difference scheme for time derivative and the central difference scheme for the spatial derivatives, an implicit finite difference scheme is formulated. The variable-coefficient diffu...

A Variational Approach to Estimating Uncertain Parameters in Elliptic Systems

Estimating Risk under Interval Uncertainty: Sequential and Parallel Algorithms

In traditional econometrics, the quality of an individual investment – and of the investment portfolio – is characterized by its expected return and its risk (variance). For an individual investment or portfolio, we can estimate the future expected return and a future risk by tracing the returns x1, . . . , xn of this investment (and/or similar investments) over the past years, and computing th...