Journal of Geographical Sciences ›› 2021, Vol. 31 ›› Issue (6): 785-801.doi: 10.1007/s11442-021-1871-7
• Research Articles • Previous Articles Next Articles
QI Guizeng1,2,3(), BAI Hongying1,2,3,*(
), ZHAO Ting1,2,3, MENG Qing1,2,3, ZHANG Shanhong1,2,3
Received:
2021-01-20
Accepted:
2021-03-28
Published:
2021-08-25
Contact:
BAI Hongying
E-mail:1553271382@qq.com;hongyingbai@163.com
About author:
Qi Guizeng (1994-), Master Candidate; specialized in regional climate change and vegetation response. E-mail: 1553271382@qq.com
Supported by:
QI Guizeng, BAI Hongying, ZHAO Ting, MENG Qing, ZHANG Shanhong. Sensitivity and areal differentiation of vegetation responses to hydrothermal dynamics on the northern and southern slopes of the Qinling Mountains in Shaanxi province[J].Journal of Geographical Sciences, 2021, 31(6): 785-801.
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Table 1
Results of SPEI spatial interpolation on the northern and southern slopes of the Qinling Mountains"
Year | MAE | RMSE | ||
---|---|---|---|---|
Yearly interpolation test | Spring interpolation test | Yearly interpolation test | Spring interpolation test | |
2013 | 0.137 | 0.140 | 0.171 | 0.173 |
2014 | 0.043 | 0.062 | 0.064 | 0.093 |
2015 | 0.240 | 0.343 | 0.318 | 0.449 |
Table 2
Land cover reclassification"
Vegetation type | Reclassification | Vegetation type | Reclassification |
---|---|---|---|
Montane cold temperate evergreen needle-leaved forest | Needle-leaved forest | Alpine and sub-alpine meadow | Alpine meadow |
Montane cold temperate deciduous needle-leaved forest | Typical meadow | Grasses | |
Montane temperate evergreen needle-leaved forest | Temperate sparse shrubby-grass slopes | ||
Warm evergreen needle-leaved forest | Croplands | Farmland crops | |
Montane deciduous broad-leaved forest | Broad-leaved forest | Snow and ice | Water bodies |
Typical deciduous broad-leaved forest | Water bodies | ||
Warm-temperate evergreen broad-leaved deciduous mixed forest | Wetlands | Wetlands | |
Temperate deciduous broad-leaved forest | Construction land | Urban areas | |
Alpine-subalpine evergreen deciduous shrubs | Shrubs | Barren or sparsely vegetated | Bare land |
Subalpine deciduous broad-leaved shrubs | |||
Warm deciduous broad-leaved shrubs | |||
Temperate deciduous shrubs | |||
Temperate deciduous broad-leaved shrubs |
Table 3
Correlation coefficients between NDVI and SPEI for different vegetation types on the northern and southern slopes of the Qinling Mountains"
Grasses | Shrubs | Broad-leaved forest | Needle-leaved forest | Alpine meadow | Farmland crops | Bare land | Water bodies | Urban areas | |
---|---|---|---|---|---|---|---|---|---|
NSQM | 0.35 | 0.35 | 0.33 | 0.30 | 0.20 | 0.06 | 0.23 | 0.09 | -0.07 |
SSQM | 0.37 | 0.33 | 0.31 | 0.28 | 0.19 | 0.31 | 0.09 | 0.18 | -0.02 |
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