[1] Barbour, G. B., 1935. The Physiographic Period of Yangtze Valley. Geol. Soc. China Bull. , 14: 1–15
[2] Blackwelder, E., 1912. The Old Erosion Surface in Idaho: A Criticism. The Journal of Geology, 20(5): 410–414 doi: 10.1086/621986
[3] Davis, W. M., 1901. Peneplains of Central France and Brittany. Bull. Geol. Soc. Amer. , 12: 481–483
[4] Hillier, J. K., Smith, M., 2008. Residual Relief Separation: Digital Elevation Model Enhancement for Geomorphological Mapping. Earth Surface Processes and Landforms, 33(14): 2266–2276, doi: 10.1002/esp.1659.
[5] Jenson, S. K., Domingue, J. O., 1988. Extracting Topographic Structure from Digital Elevation Data for Geographic Information System Analysis. Photogrammetric Engineering and Remote Sensing, 54: 1593–1600 http://m1.archiveorange.com/m/att/H2CPn/ArchiveOrange_BqIHJa44tNzoGVG7sjCxl900baoa.pdf
[6] Johansson, M., 1999. Analysis of Digital Elevation Data for Palaeosurfaces in South-Western Sweden. Geomorphology, 26: 279–295 doi: 10.1016/S0169-555X(98)00068-3
[7] Keller, E. A., Pinter, N., 1996. Active Tectonics: Earthquakes, Uplift and Landscapes. Prentice Hall, New Jersey
[8] King, L. C., 1949. On the Ages of African Land-Surfaces. Geol. Soc. London Quart. Jour. , 104: 439–453, doi: 10.1144/GSL.JGS.1948.104.01-04.20
[9] Li, J. J., Xie, S. Y., Kuang, M. S., 2001. Geomorphic Evolution of the Yangtze Gorges and the Time of Their Formation. Geomorphology, 41(2-3): 125–135 doi: 10.1016/S0169-555X(01)00110-6
[10] Lidmar, B. K., Elvhage, C., Ringberg, B., 1991. Landforms in Skane, South Sweden. Geografiska Annaler, 73A: 61–91 http://www.researchgate.net/publication/271696836_Landforms_in_Skane_South_Sweden
[11] Liu, X. S., 1983. Quternary of Sichuan Basin. Sichuan Science and Technology Press, Chengdu. 158 (in Chinese)
[12] Loisios, D. N., Tzelepis, N., Nakos, B., 2007. A Methodology for Creating Analytical Hill-Shading by Combining Different Lighting Directions. Proceedings of 23rd International Cartographic Conference, Moscow
[13] Martz, L. W., Garbrecht, J., 1998. The Treatment of Flat Areas and Depressions in Automated Drainage Analysis of Raster Digital Elevation Models. Hydrol. Process, 12: 843–855 doi: 10.1002/(SICI)1099-1085(199805)12:6<843::AID-HYP658>3.0.CO;2-R
[14] Onorati, G., Poscolieri, M., Ventura, R., et al., 1992. The Digital Elevation Model of Italy for Geomorphology and Structural Geology. Catena, 19(2): 147–178 doi: 10.1016/0341-8162(92)90022-4
[15] Pike, R. J., 1992. Machine Visualization of Synoptic Topography by Digital Image Processing. U.S. Geological Survey Bulletin, 2016: B1–B12
[16] Raharimahefa, T., Kusky, T. M., 2006. Structural and Remote Sensing Studies of the Southern Betsisimarka Suture, Madagascar. Gondwana Research, 10: 186–197 doi: 10.1016/j.gr.2005.11.022
[17] Rowberry, M., Brewer, P., Macklin, M., 2007. The Number, Form and Origin of Subhorizontal Surfaces in North Ceredigion, Wales, U. K. . Norwegian Journal of Geology, 87: 207–222
[18] Shen, Y. C., 1965. The Valley Landform of the Upper Yangtze. Science Press, Beijing (in Chinese)
[19] Singh, A. K., Parkash, B., Choudhury, P. R., 2007. Integrated Use of SRM, Landsat ETM+ Data and 3D Perspective Views to Identify the Tectonic Geomorphology of Dehradun Valley, India. International Journal of Remote Sensing, 28(11): 2403–2414, doi: 10.1080/01431160600993397
[20] Smith, M. J., Clark, C. D., 2005. Methods for the Visualization of Digital Elevation Models for Landform Mapping. Earth Surface Processes and Landforms, 30: 885–900, doi: 10.1002/esp.1210
[21] Smith, M. J., Clark, C. D., Wise, S. M., 2005. Mapping Glacial Lineaments from Satellite Imagery: An Assessment of the Problems and Development of Best Procedure. Slovak Geological Magazine, 7: 263–274
[22] Smith, M. J., Rose, J., Booth, S., 2006. Geomorphological Mapping of Glacial Landforms from Remotely Sensed Data: An Evaluation of the Principal Data Sources and an Assessment of Their Quality. Geomorphology, 76: 148–165, doi: 10.1016/j.geomorph.2005.11.001
[23] Tian, L. J., Li, P. Z., Luo, Y., 1996. Valley Development History of Three Gorges of Yangtze River. Press of Southwest Jiaotong University, Chengdu (in Chinese)
[24] Wang, Z. L., Niu, Z. J., Zhao, X. M, et al., 2010. Study of Characteristics of Layered Landforms Depositions and Geomorphic Evolution in the Qingjiang River Basin. Yangtze River, 41(8): 18–35 (in Chinese with English Abstract)
[25] Wang, Z. Y., Shen, J. F., Xu, R. C., et al., 1995. Karst Landscapes and Their Evolution in Reaches of the Qingjiang River, Western Hubei. Earth Science—Journal of China University of Geosciences, 20(4): 439–444 (in Chinese with English Abstract)
[26] Wayland, E. J., 1934. Peneplains and Some Other Erosional Platforms. Ann. Rep. Bull. Protectorate of Uganda Geological Survey Dept. Notes, 74(1): 376–377 http://www.researchgate.net/publication/287725423_Peneplains_and_some_other_erosional_platforms
[27] Wu, S. R., Shi, L., Wang, R. J., et al., 2001. Zonation of the Landslide Hazards in the Forereservoir Region of the Three Gorges Project on the Yangtze River. Engineering Geology, 59: 51–58 doi: 10.1016/S0013-7952(00)00061-2
[28] Xie, S. Y., Yuan, D. X., Wang, J. L., et al., 2006. Features of the Planation Surface in the Surrounding Area of the Three Gorges of Yangtze. Carsologica Sinica, 25(1): 40–45 (in Chinese with English Abstract)
[29] Zhang, K., 2008. Planation Surfaces in China: One Hundred Years of Investigation. In: Grapes, R. H., Oldroyd, D. R., Grigelis, A., eds., History of Geomorphology and Quaternary Geology. Geological Society, London, Special Publications, 301: 171–178
[30] Zhao, H. Z., Li, Y. L., Yang, J. C., et al., 2009. Geomorphic Characteristics of Northern Tianshan Mountains Based on DEM Data. Scientia Geographica Sinica, 29(3): 445–449 (in Chinese with English Abstract) http://geoscien.neigae.ac.cn/en/article/showsupportinfo.do?id=8593