skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Comparison of moments for classical-, quasi-, and convolution-Fickian dispersion of a conservative tracer

Journal Article · · Water Resources Research
DOI:https://doi.org/10.1029/94WR02853· OSTI ID:84794
;  [1]
  1. Purdue Univ., West Lafayette, IN (United States)

Transport moments up to fourth order for convolution-, quasi-, and classical-Fickian dispersion of a conservative tracer are presented and compared. Convolution-Fickian yields a non-Gaussian distribution while quasi- and classical-Fickian result in Gaussian type distributions regardless of the distribution of a stationary velocity field. The first and second central spatial moments are the same for convolution- and quasi-Fickian dispersion, while the third and fourth central moments differ. 15 refs.

OSTI ID:
84794
Journal Information:
Water Resources Research, Vol. 31, Issue 4; Other Information: PBD: Apr 1995
Country of Publication:
United States
Language:
English