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Transboundary river floods: examining countries, international river basins and continents

机译：跨界河流洪水：审查国家，国际流域和大陆

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摘要

The objectives of this study were (1) to quantify river floods shared by more than one country, that is,ntransboundary river floods and (2) to grasp more fully the degree of vulnerability of people to such events onna global, international river basin (IRB) and country level. To these ends, publicly available data werencombined to identify such events and the resultant losses of life, flood-related affected individuals andnfinancial damage statistics were related to national levels of development. It was determined that in the periodn1985–2005, some 175 of the 1,760 river floods were transboundary, but globally accounted for 32% of allncasualties and almost 60% of all affected individuals, illustrating the massive impact of shared floods. Thisndatabase of transboundary floods was then merged with socio-economic and biophysical data, enablingnanalyses that revealed the degree of vulnerability of people to transboundary floods from a global to a countrynlevel. Selecting one country, continent or IRB most vulnerable to transboundary floods proofed to benunfeasible since the answer heavily depended upon the specific definition of vulnerability, illustrating thencomplexity of this phenomenon. However, together, the results significantly increased our current knowledgenof shared floods which could aid policy-makers in identifying and evaluating potential vulnerability tontransboundary river floods.
机译：这项研究的目的是（1）量化一个以上国家（即非跨界河流）共享的河流洪水，以及（2）更加全面地了解全球国际河流域人们对此类事件的脆弱程度（ IRB）和国家/地区级别。为此，将可公开获得的数据进行组合以识别此类事件，以及由此造成的生命损失，与水有关的受影响个人以及经济损失统计与国家发展水平有关。可以确定，在1985-2005年期间，在1,760个河流中，约有175个跨界，但在全球范围内，造成了32％的伤亡和几乎所有受影响的个人的60％，这说明了共享洪水的巨大影响。然后，该跨界洪水数据库与社会经济和生物物理数据合并，进行的分析揭示了人们从全球到国家层面对跨界洪水的脆弱程度。选择一个最容易受到跨界洪水侵害的国家，大陆或IRB被证明是不可行的，因为答案在很大程度上取决于对脆弱性的具体定义，这说明了这种现象的复杂性。但是，这些结果加在一起极大地增加了我们目前对共享洪水的知识，这可以帮助决策者确定和评估跨界河流洪水的潜在脆弱性。

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