Method for recognizing heavy metal pollution source in soil
A technology for pollution sources and heavy metals, applied in the field of heavy metal pollution source analysis, can solve the problem that the contribution rate of emission sources cannot be given, and achieve the effect of strong practicability and widespread application value.
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[0060] Example
[0061] Step 1, take the Jinjiang River Basin as the heavy metal pollution investigation area.
[0062] In step 2, the data came from the heavy metal content in the sediments of the Jinjiang River Basin, and the surface sediment samples of 10 stations were collected with a grab sampler.
[0063] Step 3: According to the survey area, determine the heavy metals to be surveyed as As, Hg, Cd, Cr, and Pb, and take a total of 10 monitoring points.
[0064] Steps 4 to 7 are shown in the following data analysis, in which data standardization processing and cluster analysis are completed with the help of SPSS statistical analysis software and programs edited by Matlab. The main analysis conditions are as follows:
[0065] This data analysis mainly carried out K-means cluster analysis on As, Hg, Cd, Cr, and Pb. The results are as follows:
[0066] Table 1 and Table 2 are the initial classification center and the final classification center, which are actually 2 classif...
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