Qingzhi WEN, Peng SUN, Qiang ZHANG, Rui YAO. A multi-scalar drought index for global warming: The non-stationary standardized precipitation evaporation index (NSPEI) and spatio-temporal patterns of future drought in China [J]. Acta Geographica Sinica, 2020, 75(7): 1465
- Acta Geographica Sinica
- Vol. 75, Issue 7, 1465 (2020)
Fig. 1. Location of meteorological stations in China
Fig. 2. Change in the D mean
Fig. 3. Smoothing splines fitting of D
Fig. 4. Extraction of drought features (severity, peak and duration)using runs theory
Fig. 5. Spatial distribution of meteorological stations in China based on stationary test and goodness-of-fit tests
Fig. 6. Correlation of NSPEI, SPEI and sc-PDSI in China on different time scales
Fig. 7. Correlation of NSPEI, SPEI and soil moisture in China at different time scales
Fig. 8. Correlation between NSPEI, SPEI, sc-PDSI and drought-affected area in China
Fig. 9. Spatial and temporal distribution of drought in NSPEI, SPEI, sc-PDSI and soil moisture in China in typical years
Fig. 10. Trend of drought in NSPEI, SPEI and soil moisture in China from 1962 to 2014
Fig. 11. Drought severity, peak, duration and frequency trend analysis in China from 1962 to 2014
Fig. 12. Analysis of NSPEI and SPEI in ten major river basins of China on a six-month scale in different emission scenarios from 2006 to 2100
Fig. 13. Trend of drought in NSPEI and SPEI in different emission scenarios in China from 2006 to 2100
Fig. 14. Trend of drought in SPEI on monthly scale in different emission scenarios in China from 2006 to 2100
Fig. 15. Trend of drought in NSPEI in different emission scenarios in China from 2006 to 2100
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Table 1.
Classification of NSPEI and SPEI
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