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首页> 外文期刊>Earth Surface Processes and Landforms: The journal of the British Geomorphological Research Group >Channel and vegetation recovery from dredging of a large river in the Gulf coastal plain, USA
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Channel and vegetation recovery from dredging of a large river in the Gulf coastal plain, USA

机译:来自美国海湾沿海平原的大型河流的渠道和植被恢复

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摘要

Anthropogenic impacts in large rivers are widely studied, but studies of recovery once a disturbance has stopped are uncommon. This study examines the biogeomorphic recovery of a 40-km river corridor on the mid-Apalachicola River, Florida following the cessation of dredging, disposal, and snag removal in 2002. This failed navigation project resulted in vegetation losses (166 ha between 1941 and 2004), river widening, and increased point bar areas. We used paired sets of imagery for a 10-year period during the recovery process at two different flow levels to assess sand bar change, land cover change, and their spatial variations.
机译:广泛研究大河流的人类学影响,但恢复后,一旦干扰停止罕见。 本研究审查了2002年停止疏浚,处置和障碍拆除后,佛罗里达州佛罗里达州佛罗里达州40公里河走廊的生物果断回收。这项失败导航项目导致植被损失(1941年至2004年间166公顷 ),河流加宽,增加点杆区。 我们在恢复过程中使用了成对的图像,在恢复过程中在两个不同的流量水平下评估了砂杆变化,陆地覆盖变化及其空间变化。

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