Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2018WR022831 |
Multiscale Framework for Modeling Multicomponent Reactive Transport in Stream Corriders | |
Painter, S. L.1,2 | |
2018-10-01 | |
发表期刊 | WATER RESOURCES RESEARCH |
ISSN | 0043-1397 |
EISSN | 1944-7973 |
出版年 | 2018 |
卷号 | 54期号:10页码:7216-7230 |
文章类型 | Article |
语种 | 英语 |
国家 | USA |
英文摘要 | Travel time-based representations of transport, a highly successful strategy for modeling conservative tracer transport in stream corridors, are extended to accommodate multicomponent reactive transport. Specifically, convolution representations used to model exchange of solute with the hyporheic zone are shown to be equivalent to solving one-dimensional subgrid models in Lagrangian form coupled to the advection dispersion equation for the stream channel. Unlike the convolution-based representations of previous travel time-based stream transport models, the subgrid model generalizes to include multicomponent reactive transport with general nonlinear reactions. An example involving biomass growth, the establishment of redox zonation, and the resulting impact on denitrification rates demonstrate reach-scale application of the new approach. Although simplified, those example simulations show some of the key phenomena associated with hyporheic zone denitrification that are not represented with conventional first-order estimates. |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000450726000007 |
WOS关键词 | RESIDENCE TIME DISTRIBUTION ; HYPORHEIC EXCHANGE FLOWS ; TRANSIENT STORAGE MODEL ; NONSORBING SOLUTES ; MOUNTAIN STREAM ; RIVER ; ZONE ; DENITRIFICATION ; BEDFORMS ; NITROGEN |
WOS类目 | Environmental Sciences ; Limnology ; Water Resources |
WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/19941 |
专题 | 资源环境科学 |
作者单位 | 1.Oak Ridge Natl Lab, Climate Change Sci Inst, Oak Ridge, TN 37830 USA; 2.Oak Ridge Natl Lab, Div Environm Sci, Oak Ridge, TN 37830 USA |
推荐引用方式 GB/T 7714 | Painter, S. L.. Multiscale Framework for Modeling Multicomponent Reactive Transport in Stream Corriders[J]. WATER RESOURCES RESEARCH,2018,54(10):7216-7230. |
APA | Painter, S. L..(2018).Multiscale Framework for Modeling Multicomponent Reactive Transport in Stream Corriders.WATER RESOURCES RESEARCH,54(10),7216-7230. |
MLA | Painter, S. L.."Multiscale Framework for Modeling Multicomponent Reactive Transport in Stream Corriders".WATER RESOURCES RESEARCH 54.10(2018):7216-7230. |
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