[1] H X Chai, C H Zhou, X Chen et al. Digital regionalization of geomorphology in Xinjiang. Journal of Geographical Sciences, 19, 600-614(2009).

[2] Z M Chen. The Chinese Geomorphological Regional Planning Maps. In: The Editorial Committee of Agricultural Resources and Regional Planning of China. Chinese Agricultural Resources and Regional Planning(1991).

[3] Z M Chen. General Geomorphic Map of Land and Sea of Asia and Surrounding (1:8000000)(2012).

[4] W M Cheng, A M Bao, H X Chai et al. Geomorphological Patterns and Effects in Xinjiang(2018).

[5] W M Cheng, X Y Gao, T Ma et al. Spatial-temporal distribution of cropland in China based on geomorphologic regionalization during 1990-2015. Acta Geographica Sinica, 73, 1613-1629(2018).

[6] W M Cheng, Q Y Liu, S M Zhao et al. Research and perspectives on geomorphology in China: Four decades in retrospect. Journal of Geographical Sciences, 27, 1283-1310(2017).

[7] W M Cheng, S M Zhao, Q H Ye et al. Patterns and Dynamics of Frigid Landforms in the Tibetan Plateau(2017).

[8] W M Cheng, C H Zhou. Research and compilation of the Geomorphologic Atlas of the People’s Republic of China (1:1000000). Journal of Geographical Sciences, 21, 89-100(2011).

[9] W M Cheng, C H Zhou. Methodology on hierarchical classification of multi-scale digital geomorphology. Progress in Geography, 33, 23-33(2014).

[10] W M Cheng, C H Zhou, B Y Li et al. Structure and contents of layered classification system of digital geomorphology for China. Journal of Geographical Sciences, 21, 771-790(2011).

[11] W M Cheng, C H Zhou, B Y Li et al. Geomorphological regionalization theory system and division methodology of China. Acta Geographica Sinica, 74, 839-856(2019).

[12] W M Cheng, C H Zhou, Y C Shen et al. Retrospect and perspective of geomorphology researches in China over the past 40 years. Acta Geographica Sinica, 72, 755-775(2017).

[13] C T Diao. The geomorphological environment and urban expanding in Chongqing. Journal of Southwest Teachers University, 15, 484-490(1990).

[14] . Earth Science: A Review and Prospect at the Turn of the Century(2002).

[15] . The Geomorphologic Atlas of People’s Republic of China (1:1000000)(2009).

[16] X Y Gao, W M Cheng, N Wang et al. Spatio-temporal distribution and transformation of cropland in geomorphologic regions of China during 1990-2015. Journal of Geographical Sciences, 29, 180-196(2019).

[17] General Part of Northeast Geomorphological Regionalization (Draft): Changchun(1964).

[18] G Y Gong. Geomorphological Regionalization of Huang-Huai-Hai Plain. Beijing: Institute of Geography, Chinese Academy of Sciences(1985).

[19] Z L Guo, G F Cui. Geomorphologic regionalization of China aimed at construction of nature reserve system. Acta Ecologica Sinica, 33, 6264-6276(2013).

[20] . Geomorphological Mapping Specifications of 1:1000000 in China(1987).

[21] . Atlas of Tibetan Plateau(1990).

[22] X M Jin, Y Li, B L Fu et al. Spatiotemporal characteristics of wetland to farmland conversion processes in different geomorphological divisions during 1954-2015: A case study in the Sanjiang Plain north of the Wanda Mountains. Acta Ecologica Sinica, 37, 3286-3294(2017).

[23] B Y Li, B T Pan, W M Cheng et al. Research on geomorphological regionalization of China. Acta Geographica Sinica, 68, 291-306(2013).

[24] S G Li, W Y Zhang. Geology of China(1953).

[25] Z Q Li, X L Liu. Geomorphic regionalization and agricultural evaluation of geomorphic features in Gansu. Journal of Gansu Agricultural University, 4, 444-449(1994).

[26] Z Z Li. Geomorphic environment and urban construction of Urumqi city. Arid Land Geography, 15, 46-53(1992).

[27] K Liu, X C Wang, T Q Ling. Study on characteristics of highway geological disasters and third physiognomic regionalization in Guangxi. The Chinese Journal of Geological Hazard and Control, 20, 74-79(2009).

[28] Q Y Liu, W M Cheng, D Y Sun et al. Distribution characteristics of historical mountain flood in China. Journal of Geo-information Science, 19, 1557-1566(2017).

[29] H G Pamsay, M I Huber. The Techniques of Structural Geology(1987).

[30] J S Ren, Z X Wang, B W Chen et al. The Tectonics of China from a Global View: A Guide to the Tectonic Map of China and Adjacent Regions(1999).

[31] . Geomorphological Regionalization of China (the first draft)(1959).

[32] Y C Shen. The discussion on geomorphological compartment. Geography, 33-41(1961).

[33] M A Summerfield. Geomorphology and Global Tectonics. UK: John Wiley & Sons Ltd(2000).

[34] L Y You, J C Yang. Geomorphology in China(2013).

[35] M Zhao, W M Cheng, Q Y Liu et al. Spatiotemporal measurement of urbanization levels based on multiscale units: A case study of the Bohai Rim Region in China. Journal of Geographical Sciences, 26, 531-548(2016).

[36] M Zhao, W M Cheng, C H Zhou et al. Spatial differentiation and morphologic characteristics of China’s urban core zones based on geomorphologic partition. Journal of Applied Remote Sensing, 11, 016041(2017).

[37] C H Zhou. A Dictionary of Geomorphology(2006).

[38] C H Zhou, W M Cheng, J K Qian. Digital Geomorphological Interpretation and Mapping from Remote Sensing(2009).

[39] C H Zhou, W M Cheng, J K Qian et al. Research on the classification system of digital land geomorphology of 1:1000000 in China. Journal of Geo-Information Science, 11, 707-724(2009).

[40] T R Zhou, Y F Shi, S P Chen. A draft for topographic regionalization of China. In: Chinese Geography Record. Physical Compartmentalization Draft of China(1956).