Analysis of 22-year Drought Characteristics in Heilongjiang Province Based on Temperature Vegetation Drought Index

<div>Total frequency of drought in Heilongjiang Province from 2000 to 2021 A and proportion of different frequency regions B: (a) total frequency of drought and (b) proportion of different frequency regions.</div>

Computational Intelligence and Neuroscience

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Figure 9

Figure 9: Analysis of 22-year Drought Characteristics in Heilongjiang Province Based on Temperature Vegetation Drought Index 