Diffusion coefficients in nearshore marine sediments 1 | Zendy

Ullman William J. | Zendy; Aller Robert C. | Zendy

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Diffusion coefficients in nearshore marine sediments 1

Author(s) -

Ullman William J.,

Aller Robert C.

Publication year - 1982

Publication title -

limnology and oceanography

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.7

H-Index - 197

eISSN - 1939-5590

pISSN - 0024-3590

DOI - 10.4319/lo.1982.27.3.0552

Subject(s) - diffusion , porosity , sediment , geology , electrical resistivity and conductivity , mineralogy , geotechnical engineering , geomorphology , thermodynamics , physics , quantum mechanics

The formation resistivity factor, F , necessary to calculate bulk sediment diffusion coefficients of interstitial solutes from free solution diffusion coefficients, can be estimated from ϕ , the sediment porosity. Empirical relationships between F and ϕ indicate that F ≈ ϕ −2 for unlithified marine sands or muds when ϕ ≲ 0.7 and F ≈ ϕ − 2.5 to ϕ −3 for high porosity muds when ϕ ≳ 0.7.

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