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首页> 外文期刊>Global and planetary change >Combination of historical maps and satellite images of the Banat region-Re-appearance of an old wetland area
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Combination of historical maps and satellite images of the Banat region-Re-appearance of an old wetland area

机译:巴纳特地区的历史地图和卫星图像的结合-旧湿地地区的重新出现

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摘要

The area of Banat, a historical region shared by Romania and Serbia, has been hit by a centennial flood event in spring 2005. The Temes (Tamis/Timis) River flooded several hundred km2, with many settlements. The extent of the flood was partly unexpected, especially in positional sense. In order to achieve a better understanding of the phenomenon, we analysed the SRTM digital elevation model as well as historical maps. Several historical maps, dating back to the 16th century, indicate marshland or even a large lake in the area, not existing today but almost exactly coinciding with the extent of the 2005 flood. The historical and archive maps document the water regulation measures taken since the early 19th century. The actual flood is found to be a sort of a restoration of the original natural conditions. Via the analysis of the DEM and historical maps the unexpected extent of the flood scenario can be explained and understood. We suggest that an analysis of historical and archive maps, combined (geo-referenced) with high-resolution DEMS in other flood-endangered areas, should be used in order to be better prepared for decadal or centennial flood events induced by climatic change.
机译:巴纳特地区是罗马尼亚和塞尔维亚共有的历史地区,2005年春季遭受百年洪水袭击。泰姆斯河(Tamis / Timis)淹没了数百平方公里的土地,并有许多定居点。洪水的程度在一定程度上是出乎意料的,特别是在位置上。为了更好地理解这种现象,我们分析了SRTM数字高程模型以及历史地图。几幅可追溯到16世纪的历史地图显示了该地区的沼泽地或什至是大湖,今天并不存在,但几乎与2005年洪水的程度相吻合。历史地图和档案地图记录了自19世纪初以来采取的水调节措施。发现实际洪水是对原始自然条件的一种恢复。通过对DEM和历史地图的分析,可以解释和理解洪水情景的意外范围。我们建议对历史和档案地图进行分析,并结合其他受洪灾地区的高分辨率DEMS(以地理为参考),以便为气候变化引起的十年或百年洪水事件做好准备。

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