洪涝指标计算及分形结构的定义公式

洪涝指标计算及分形结构的定义公式

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Initial contribute: 2018-12-04

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岳天祥编著
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yue@lreis.ac.cn
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洪涝指标计算及分形结构的定义公式

 

(1)洪涝指标计算公式:

式中,Ii为淮河流域年的洪涝指标;Pi1Pi2分别为年1级和2级面积占流域总面积的百分数;D1D2分别为1级和2级洪涝等级权重值。

(2)分形结构定义共式

式中,r为量度该系统大小的尺度;N(r)为用该单位量度的结果;D为维数;C为常数。

 

参考文献

周寅康:淮河流域洪涝特征初步研究。地理研究,1996,15(1)

 

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《资源环境数学模型手册》 (2018). 洪涝指标计算及分形结构的定义公式, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/e5d5f312-5fd3-416d-afe5-0a29b30663df
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Anxun Ren
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Initial contribute : 2018-12-04

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:  
岳天祥编著
:  
yue@lreis.ac.cn
:  
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Last modifier
Anxun Ren
Last modify time
2020-10-28
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