Summer Drought Patterns in the Middle-Lower Reaches of the Yangtze River Basin and Their Connections with Atmospheric Circulation before and after 1980

<div>The distribution of the first two Empirical Orthogonal Function (EOF) modes of the Standardized Precipitation Index (SPI) for a 3-month time scale (SPI3) in August, derived for the period 1961–2013: (a) EOF1, (b) EOF2.</div>

Advances in Meteorology

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Figure 2

Figure 2: Summer Drought Patterns in the Middle-Lower Reaches of the Yangtze River Basin and Their Connections with Atmospheric Circulation before and after 1980 

Figure 2 | Summer Drought Patterns in the Middle-Lower Reaches of the Yangtze River Basin and Their Connections with Atmospheric Circulation before and after 1980 