SCIENTIA GEOGRAPHICA SINICA

Spatio-temporal dynamics of vegetation peak growth timing and its responses to climate change on the Mongolian Plateau

Bao Gang, Xu Siyi, Liu Yahong, An Qier, Tong Siqin, Miao Lijuan, Li Fei

SCIENTIA GEOGRAPHICA SINICA, 2024, 44(7): 1286-1296. DOI: 10.13249/j.cnki.sgs.20230073

Fig. 1 Distribution of vegetation types on the Mongolian Plateau

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Fig. 2 Relationship between GIMMS NDVI and Extended GIMMS NDVI for different vegetation types on the Mongolian Plateau in 2001—2015
Fig. 3 Diagrammatic sketch of identifying POS based on NDVI
Fig. 4 Mean POS (a) and its standard deviation (b) on the Mongolian Plateau from 1982 to 2021
Fig. 5 POS and the standard deviation for different vegetation types (a) and different altitudes (b) on the Mongolian Plateau
Fig. 6 Spatial distribution of temporal trend and significance P value of POS on the Mongolian Plateau
Fig. 7 The temporal trend of the POS for different vegetation types on the Mongolian Plateau
Fig. 8 Variation of preseason temperature and precipitation and their relationship on the Mongolian Plateau in 1982—2021
Fig. 9 Spatial distribution of partial correlation between POS and temperature, precipitation,solar radiation, and corresponding preseason length on the Mongolian Plateau
Table 1 Partial correlation coefficient, significance level and preseason length between POS and temperature, precipitation and solar radiation for different vegetation types on the Mongolian Plateau
Fig. 10 Coefficient of ternary linear polynomial regression between POS and preseason temperature (a),precipitation (b) and solar radiation (c) on the Mongolian Plateau