Wenya GU, Xiangrui MENG, Xiaochen ZHU, Xinfa QIU. Geomorphological Classification Research based on BEMD Decomposition [J]. Journal of Geo-information Science, 2020, 22(3): 464
- Journal of Geo-information Science
- Vol. 22, Issue 3, 464 (2020)
Fig. 1. DEM spatial distribution map with a resolution of 90 m×90 m in Fujian province and surrounding areas in 2000
Fig. 2. The technical route of geomorphic classification based on BEMD topography decomposition
Fig. 3. BIMF component and margin of BEMD decomposition of DEM data in Fujian province in 2000
Fig. 4. Extraction of high-frequency region based on topographic decomposition of DEM data in Fujian province in 2000
Fig. 5. Extraction of low-frequency areas based on topographic decomposition of DEM data in Fujian province in 2000
Fig. 6. Extraction of intermediate frequency region based on topographic decomposition of DEM data in Fujian province in 2000
Fig. 7. Combined layers based on topographic decomposition of DEM data in Fujian province in 2000
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Table 1. Altitude indicators for geomorphological classification
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Table 2. Classification standards of first-level geomorphic types in China
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Table 3. Geomorphic types in Fujian province under macroscopic classification
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