The Use of SPEI and TVDI to Assess Temporal-Spatial Variations in Drought Conditions in the Middle and Lower Reaches of the Yangtze River Basin, China

<div>Drought frequency at the 64 meteorological stations in the MLRYRB, as determined using the SPEI-3 values.</div>

Advances in Meteorology

fig4

Figure 4

Figure 4: The Use of SPEI and TVDI to Assess Temporal-Spatial Variations in Drought Conditions in the Middle and Lower Reaches of the Yangtze River Basin, China 

Figure 4 | The Use of SPEI and TVDI to Assess Temporal-Spatial Variations in Drought Conditions in the Middle and Lower Reaches of the Yangtze River Basin, China 