| 词汇 | fluvial |
| 释义 | fluvial adjective geography specializeduk /ˈfluː.vi.əl/ us /ˈfluː.vi.əl/ of a river: 河的 a fluvial basin河域 fluvial ice河冰 Watercourses & waterfalls amazon arroyo beck bourne brook canalization cascade Congo crick flume gulch maelstrom Panama Canal plunge pool raceway rapids rill riverbed waterfall waterway Examples of fluvialfluvial The sedimentology of the succession indicates that these units represent bar top and marginal deposits in a braided fluvial setting. These layers are usually intercalated in medium-grained sandstones with cross-sets that indicate deposition in fluvial environment. Granulometry of the conglomeratic layers appears to indicate that coastal gravel beds were subsequently reworked by fluvial activities. In all three basins, this mudstone-dominated interval passes into sandstonedominated sediments of a braided fluvial system. The bulk of the formation consists of fluvial sand deposits, apparently deposited by braided river flow. The breccias were deposited within fluvial channels and by unconfined sheetfloods. Whilst the studies are worldwide, the authorship reflects the concentration of research in fluvial sedimentology in a relatively small number of countries. The middle unit includes alluvial to lacustrine facies while the upper unit consists of fluvial-alluvial deposits. Conditions of climate and vegetation cover on land were significantly different from modern conditions and so comparison with modern low-sinuosity fluvial systems is non-actualistic. Glacial drift, both as till and fluvial deposits, is a major contributor to a variety of both micro- and macro-landforms. Simulating the development of martian highland landscapes through the interaction of impact cratering, fluvial erosion, and variable hydrologic forcing. The sediments of exposure 16 were deposited in a fluvial environment. The sandy channels are indicative of a fluvial influence; the association with redox features like iron nodules and concretions attest to periodical subaerial exposure. Architectural-element analysis: a new method of facies analysis applied to fluvial deposits. Within fluvial systems, channel belts and floodplains (sites of deposition of both clastic and phytogenic material) environments coexisted. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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