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首页> 外文会议>Symposium on remote sensing and hydrology >Transformations of river bed pattern of a lowland river inferred from aerial surveys and ground penetrating radar (GPR)
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Transformations of river bed pattern of a lowland river inferred from aerial surveys and ground penetrating radar (GPR)

机译：从空中调查和地面穿透雷达推断出河床模式的转变（GPR）

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Aerial surveys and GPR measurements have been carried out to study an anthropogenic transformation of a lowland river bed pattern. The research was done in the Obra River valley (western Poland) which was subjected to intensive hydro-technical works at the beginning of the 19th century. Historical maps indicated functioning of braided, meandering channels that disappeared in wetlands before the period of human intervention. Three research areas representing different river bed patterns and its alterations have been selected for detailed study. Combining the aerial and the GPR surveys allowed us to discern migration phases of the Obra River meander bends, retrace the braided pattern of the river and analyse traces and forms of the anthropogenic impact. The traces of the natural river course discerned from aerial photos correspond with the spatial extent of the channel fills inferred from the GPR surveys.
机译：已经进行了空中调查和GPR测量，以研究低地河床模式的人为转化。该研究在19世纪初，在欧博姆斯河谷（波兰西部）进行了密集的水力技术作品。历史地图表明，在人为干预期间在湿地中消失的曲线蜿蜒渠道的运作。选择了三个研究领域，代表了不同的河床模式及其改变进行了详细研究。结合天线和GPR调查使我们能够辨别奥布拉河蜿蜒弯曲的迁移阶段，追溯河流的编织模式，分析痕迹和人为撞击的形式。从空中照片辨别的自然河道的痕迹对应于从GPR调查推断的通道填充的空间范围。

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