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DTIC ADA629758: Quantitative Mass Transfer in Coastal Sediments Dur... |
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by Defense Technical Information Center |
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The long-term goal of this project is to develop |
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multicomponent reactive transport models that can be used |
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to accurately describe solute transport in temporally and |
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spatially heterogeneous, organic-rich sediments. To |
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achieve this goal, we have developed a model that can be |
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used to obtain unbiased 1D quantitative descriptions of |
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biologically-enhanced solute transport (1bioirrigation |
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due to macrofaunal activities) from chemical data. We |
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have also developed a quantitative 1D description of |
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bioirrigation that relies on ecological data (i.e., |
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information regarding burrow networks) and requires |
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minimal chemical data. A long-term goal of the project is |
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to use these models to assess the spatial and temporal |
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variability of biologically-enhanced solute transport in |
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a wide range of sedimentary environments and to |
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incorporate these models into existing 1D coupled |
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reactive-transport models. The results of this work will |
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also be used to develop flexible 3D models of enhanced |
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solute transport. These flexible 3D models will be useful |
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for investigation of many spatially and temporally |
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invariant processes, including not only bioirrigation, |
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but also, for example, the effects of macrophytes on |
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solute transport in near-shore sediments. |
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Date Published: 2018-11-07 14:41:01 |
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Identifier: DTIC_ADA629758 |
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Item Size: 6472329 |
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Language: english |
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Media Type: texts |
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# Topics |
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DTIC Archive; ; WESTERN MICHIGAN UNIV... |
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