黄河下游河流纵剖面平行抬升的统计检验模型

黄河下游河流纵剖面平行抬升的统计检验模型

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contributed at 2018-12-04

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Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
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Chinese {{currentDetailLanguage}} Chinese

黄河下游河流纵剖面平行抬升的统计检验模型


1) 河流剖面变化模型;
           

式中,x,T分别为距离和时间;Z为纵剖面高程;D,W,ε分别为纵剖面高程的趋势变化部分、周期变化部分和随机变化部分。
2)滑动平均分式:
                 

式中为对应Ti时的滑动平均值;aj为权重系数,aj=,(2k+1)为滑动平均时间长度。
3)不同站间同流量水位差的常数检验:


设纵剖面上任何两站之间的同流量水位差服从均值为μ的正态分布当显著水平为α时,如果满足 则上述假设不成立。式中,N为样本容量;为某两站的落差;为样本均值;SΔZ为检验方差;μ为参数。


4)两站间逐年水位升降值的等均值检验;


  ΔZ1ΔZ2分别为纵剖面上两个站点的同流量水位年度变化值。假设河流从剖面是平行抬升的,即


如果则等均值的假设不成立。式中x,y分别为两个总体;Δ为两个样本之差;SΔ为经验方差。
贾绍风;黄河下游河流纵坡面抬升的统计检验。地理研究,1994,13(2)    

 

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How to Cite

《资源环境数学模型手册》 (2018). 黄河下游河流纵剖面平行抬升的统计检验模型, Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/7082a0d2-d5c7-4e95-81f6-cbc31f1f3a67
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Last modifier : 
Anxun Ren
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2020-12-21
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Contributor(s)

Initial contribute: 2018-12-04

Authorship

Affiliation:  
岳天祥编著
Email:  
yue@lreis.ac.cn
Homepage:  
View
Is authorship not correct? Feedback

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Last modifier : 
Anxun Ren
Last modify time : 
2020-12-21
Modify times : 
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