《Table 2 The change of groundwater buried depth in the saline wasteland in 2014 and 2015》
本系列图表出处文件名:随高清版一同展现
《Dynamic Water and Salt Changes in Saline Wasteland on the Lower Edge of Plain Reservoirs in the Desert Oasis Region》
3.1.1 The moisture variability of different soil layers with time.According to classical statistics,this paper analyzed the degree of variation of samples to reflect the dynamic change in the water content and salt content of each soil layer with time in the saline wasteland around the reservoir area,that is,in the analysis of data,we took the data about the same soil layer and different monitoring periods as the analysis object,to get the coefficient of variation(Cv)of moisture content and salt content in each soil layer over time.The percentage of the sample standard deviation in mean was the sample coefficient of variation.As for the general assessment of Cv value[4],when Cv≤0.1,there was the weak variability;when 0.1≤Cv≤1.0,there was the medium variability;when Cv>1.0,there was the strong variability.Table 1shows the results of specific statistical analysis.
图表编号 | XD00182550600 严禁用于非法目的 |
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绘制时间 | 2018.01.01 |
作者 | Haiyan SUN |
绘制单位 | College of Water Conservancy and Architecture Engineering,Tarim University |
更多格式 | 高清、无水印(增值服务) |