Temporal-Spatial Characteristics of Drought in Guizhou Province, China, Based on Multiple Drought Indices and Historical Disaster Records

<table class="table-group" id="tab2"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">SPI/CI/RDI value</td><td class="align_center">Drought grades</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left">Value ≤ −2.0</td><td class="align_center">Extreme drought</td></tr><tr><td class="align_left">−2.0 <i>&lt;</i> value ≤ −1.5</td><td class="align_center">Severe drought</td></tr><tr><td class="align_left">−1.5 <i>&lt;</i> value ≤ −1.0</td><td class="align_center">Moderate drought</td></tr><tr><td class="align_left">−1.0 <i>&lt;</i> value ≤ 0</td><td class="align_center">Mild drought</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Classification of SPI, CI, and RDI.</div>

Advances in Meteorology

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Table 2

Table 2: Temporal-Spatial Characteristics of Drought in Guizhou Province, China, Based on Multiple Drought Indices and Historical Disaster Records 