Quantifying Spatiotemporal Dynamics of Solar Radiation over the Northeast China Based on ACO-BPNN Model and Intensity Analysis

Table 7

Conversion of dominant solar radiation in Northeast China in the 1980s–1990s and the 1990s–2000s.

Convert from	Convert into
	1980s–1990s	1990s–2000s
Poor	Normal	Normal
Normal	Comparatively abundant	Comparatively abundant
Comparatively abundant	Abundant	Abundant
Abundant	Comparatively abundant	Comparatively abundant & normal