Response of Hydrological Drought to Meteorological Drought under the Influence of Large Reservoir

Table 3

Correlations between SPI and SSI of main period wavelet coefficient in different periods.

Period	1960–1979			1980–2010
	6-7 years	11-12 years	20-21 years	6-7 years	11-12 years	20-21 years
Shilong	0.999	0.512	0.880	0.988	0.403	0.468
Anxi	0.999	0.607	0.890	0.993	0.470	0.904