Research Article
Drought Risk Assessment in Yunnan Province of China Based on Wavelet Analysis
Figure 7
Distribution of populations in drinking water access difficulties because of drought of Yunnan province in 2009–2013.
(a) Distribution of PDWDD in 2013 |
(b) Distribution of PDWDD in 2012 |
(c) Distribution of PDWDD in 2011 |
(d) Distribution of PDWDD in 2009-2010 |