Flood risk map reflect the different frequency flood and the scope and extent of a region likely to be flooded.

洪水风险图是反映不同频率的洪水发生时，某一区域可能遭受洪水淹没的范围和程度的地图。

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A new method of least square is raised in curve fitting of flood frequency calculating and its specific properties are analysed.

提出了在洪水频率计算时适线法中最小二乘方的一种新的求解方法，并对其特性进行分析。

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A nonparametric kernel estimation of the flood frequency with historic information is presented in this paper. The limitation in assuming a distribution type is overcome.

本文提出了在有历史洪水情况下洪水频率的非参数核估计方法，克服了现行方法假定分布型式的局限。

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Yet while flood events may not be increasing in frequency or intensity, devastating consequences will predictably become worse so long as urban development continues to expand into flood plains.

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This allowed us to create sample scenarios to showcase ingenuity and innovation, including how the mobile app can alert individuals on its location and areas to avoid for a fire, flood or terrorist attack, all by aggregating emergency frequency broadcast and GPS technology.

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