Spatiotemporal Variation Characteristics of Water Pollution and the Cause of Pollution Formation in a Heavily Polluted River in the Upper Hai River

<table class="table-group" id="tab3"><tr><td><table class="table"><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr class="thead"><td class="align_left" rowspan="2">Groups</td><td class="align_center" colspan="2">Standard mode</td><td class="align_center" colspan="2">Stepwise mode</td></tr><tr class="thead"><td class="align_center">Correct assignations (%)</td><td class="align_center">Number of selected parameters</td><td class="align_center">Correct assignations (%)</td><td class="align_center">Selected parameters</td></tr><tr><td class="thead-hr" colspan="5"><hr/></td></tr><tr><td class="align_left">2</td><td class="align_center">100.0</td><td class="align_center">7</td><td class="align_center">100.0</td><td class="align_center">COD<sub>Cr</sub>, BOD<sub>5</sub></td></tr><tr><td class="align_left">3</td><td class="align_center">100.0</td><td class="align_center">7</td><td class="align_center">100.0</td><td class="align_center">DO, TP, F<sup>-</sup></td></tr><tr class="table-tr"><td colspan="5"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Spatial discriminant analysis of pollutants in the XSWR.</div>

Journal of Chemistry

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Table 3

Table 3: Spatiotemporal Variation Characteristics of Water Pollution and the Cause of Pollution Formation in a Heavily Polluted River in the Upper Hai River 

Table 3 | Spatiotemporal Variation Characteristics of Water Pollution and the Cause of Pollution Formation in a Heavily Polluted River in the Upper Hai River 