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Spatial and Temporal Variability of Grain Size and Small-Scale Morphology
| 题名： | Spatial and Temporal Variability of Grain Size and Small-Scale Morphology |
| 作者： | Gallagher, Edith L;MacMahan, Jamie; |
| 关键词： | variability；spatial；tempo；scale；grain；small；morph；pora；oral；crawler |
| 摘要： | The long term goal is to test the hypothesis that heterogeneity of coastal morphology on many scales is correlated with heterogeneity in surface sediments, which influences the morphodynamic feedback. In addition, an amphibious crawler is assessed in the field for operation in the energetic surf zone or other sub-aqueous environments and the integration of instruments on the crawler. The crawler will be used as platform to obtain unique autonomous observations to test scientific hypotheses or obtain observations in hazardous field locations. The specific objectives of this work are to: * develop and integrate a suite of sensors for efficiently measuring surf zone morphodynamics and hydrodynamics, in particular surface sediment grain size distribution within the surf zone, * obtain, modify, and evaluate an amphibious surf zone crawler as a platform for nearshore observations, * test the sensors in the field and obtain measurements of the temporal and spatial variability of sediments and bedforms * investigate heterogeneity of morphology in the context of the local sedimentological and hydrodynamic conditions. |
| 报告类型： | 科技报告 |
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