References
- Agnoletti, M., et al., 2011. Traditional landscape and rural development: comparative study in three terraced areas in northern, central and southern Italy to evaluate the efficacy of GAEC standard 4.4 of cross compliance. Italian Journal of Agronomy, 6 (1s), e16.
- Asundi, A. and Wensen, Z., 1998. Fast phase-unwrapping algorithm based on a gray-scale mask and flood fill. Applied Optics, 37 (23), 5416–5420. doi:10.1364/AO.37.005416
- Bailly, J., et al., 2008. Agrarian landscapes linear features detection from LiDAR: application to artificial drainage networks. International Journal of Remote Sensing, 29 (12), 3489–3508. doi:10.1080/01431160701469057
- Bailly, J.S. and Levavasseur, F., 2012. Potential of linear features detection in a Mediterranean landscape from 3D VHR optical data: application to terrace walls. 2012 IEEE International Geoscience and Remote Sensing Symposium, 7110–7113. doi:10.1094/PDIS-11-11-0999-PDN
- Blaschke, T., 2010. Object based image analysis for remote sensing. ISPRS Journal of Photogrammetry and Remote Sensing, 65 (1), 2–16.
- Canny, J., 1987. A computational approach to edge detection. In: Readings in computer vision. San Francisco: Morgan Kaufmann, 184–203.
- Christophe, E. and Inglada, J., 2007. Robust road extraction for high resolution satellite images. 2007 IEEE International Conference on Image Processing, San Antonio, Texas, 5, V-437-V-440.
- Dai, W., et al., 2017. An automatic retrieval method for artificial terrace based on illumination model of DEM shading. Journal of Geo-Information Science, 19 (6), 754–762.
- Dai, W., et al., 2019. Effects of DEM resolution on the accuracy of gully maps in loess hilly areas. Catena, 177, 114–125.
- Diaz-Varela, R.A., et al., 2014. Automatic identification of agricultural terraces through object-oriented analysis of very high resolution DSMs and multispectral imagery obtained from an unmanned aerial vehicle. Journal of Environmental Management, 134, 117–126. doi:10.1016/j.jenvman.2014.01.006
- Drǎguţ, L., Tiede, D., and Levick, S.R., 2010. ESP: a tool to estimate scale parameter for multiresolution image segmentation of remotely sensed data. International Journal of Geographical Information Science, 24 (6), 859–871.
- Duda, R.O., Hart, P.E., and Stork, D.G., 1995. Pattern classification and scene analysis. 2nd ed. San Francisco: Wiley Interscience.
- Duro, D.C., Franklin, S.E., and Dubé, M.G., 2012. A comparison of pixel-based and object-based image analysis with selected machine learning algorithms for the classification of agricultural landscapes using SPOT-5 HRG imagery. Remote Sensing of the Environment, 118, 259–272.
- European Commission, 2012. The common agricultural policy: A partnership between Europe and farmers. Luxembourg: Publications Office of the European Union.
- Fu, B., 1989. Soil erosion and its control in the Loess Plateau of China. Soil Use and Management, 5 (2), 76–82. doi:10.1111/sum.1989.5.issue-2
- Fu, B., et al., 2000. The relationships between land use and soil conditions in the hilly area of the loess plateau in northern Shaanxi, China. Catena, 39 (1), 69–78. doi:10.1016/S0341-8162(99)00084-3
- Gachene, C.K., et al., 1997. Soil erosion effects on soil properties in a highland area of Central Kenya. Soil Science Society of America Journal, 61 (2), 559–564. doi:10.2136/sssaj1997.03615995006100020027x
- Gao, H., et al., 2012. Quantitative study on influences of terraced field construction and check-dam siltation on soil erosion. Journal of Geographical Sciences, 22 (5), 946–960. doi:10.1007/s11442-012-0975-5
- He, Y., Wang, H., and Zhang, B., 2003. Color based road detection in urban traffic scenes. Proceedings of the 2003 IEEE International Conference on Intelligent Transportation Systems, 1, 730–735.
- Hongbin, M.A., et al., 2015. The status and sediment reduction effects of level terrace in the Loess Plateau. Yellow River, 37 (2), 89–93.
- Hu, J., et al., 2007. Road network extraction and intersection detection from aerial images by tracking road footprints. IEEE Transactions on Geoscience and Remote Sensing, 45 (12), 4144–4157.
- Jenson, S.K., 1988. Extracting topographic structure from digital elevation data for geographic information system analysis. Photogrammetric Engineering and Remote Sensing, 54 (11), 1593–1600.
- Kai, L., et al., 2016. Detection of catchment-scale gully-affected areas using Unmanned Aerial Vehicle (UAV) on the Chinese Loess Plateau. ISPRS International Journal of Geo-Information, 5 (12), 238.
- Kai, L., et al., 2017. An object-based approach for two-level gully feature mapping using high-resolution DEM and imagery: A case study on Hilly Loess Plateau Region, China. Chinese Geographical Science, 27 (3), 415–430.
- Li, X.H., et al., 2014. Runoff and sediment from orchard terraces in southeastern China. Land Degradation and Development, 25 (2), 184–192.
- Li, Y., et al., 2013. Sloping farmland identification using hierarchical classification in the Xi-He region of China. International Journal of Remote Sensing, 34 (2), 545–562.
- Li, Z.G., et al., 2010. Plan of soil and water conservation survey in national census for water resources. Bulletin of Soil and Water Conservation, 30 (3), 87–91.
- Liu, X.Y., et al., 2014. Analysis on sediment yield reduced by current terrace and shrubs-herbs-arbor vegetation in the Loess Plateau. Journal of Hydraulic Engineering, 45, 1293–1300.
- Louwagie, G., et al., 2011. The potential of European Union policies to address soil degradation in agriculture. Land Degradation and Development, 22 (1), 5–17.
- Mäkinen, V., Oksanen, J., and Sarjakoski, T., 2019. Automatic determination of stream networks from DEMs by using road network data to locate culverts. International Journal of Geographical Information Science, 33 (2), 291–313. doi:10.1080/13658816.2018.1530353
- Marr, D. and Hildreth, E., 1980. Theory of edge detection. Proceedings of the Royal Society of London. Series B. Biological Sciences, 207 (1167), 187–217.
- Martínez-Casasnovas, J.A., Ramos, M.C., and Cots-Folch, R., 2010. Influence of the EU CAP on terrain morphology and vineyard cultivation in the Priorat region of N.E. Spain. Land Use Policy, 27 (1), 11–21.
- Mena, J.B., 2003. State of the art on automatic road extraction for GIS update: a novel classification. Pattern Recognition Letters, 24 (16), 3037–3058. doi:10.1016/S0167-8655(03)00164-8
- Ministry of Land and Resources. 2007. Technical guide to the second land survey in China [M]. Beijing: Ministry of Land and Resources of the People's Republic of China, 70P.; A4.
- Na, J., et al., 2018. Bidirectional DEM relief shading method for extraction of gully shoulder line in loess tableland area. Physical Geography, 39 (4), 368–386. doi:10.1080/02723646.2017.1410974
- Pal, N.R. and Pal, S.K., 1993. A review on image segmentation techniques. Pattern Recognition, 26 (9), 1277–1294. doi:10.1016/0031-3203(93)90135-J
- Prewitt, J.M., 1970. Object enhancement and extraction. Picture Processing and Psychopictorics, 10 (1), 15–19.
- Quine, T.A., Walling, D.E., and Zhang, X., 1999. Tillage erosion, water erosion and soil quality on cultivated terraces near Xifeng in the Loess Plateau, China. Land Degradation & Development, 10 (3), 251–274. doi:10.1002/(SICI)1099-145X(199905/06)10:3<251::AID-LDR342>3.0.CO;2-F
- Rahnama, M. and Gloaguen, R., 2014. TecLines: A MATLAB-based toolbox for tectonic lineament analysis from satellite images and DEMs, part 1: line segment detection and extraction. Remote Sensing, 6 (7), 5938–5958.
- Schütze, H., Manning, C.D., and Raghavan, P., 2008. Introduction to information retrieval. Cambridge: Cambridge University Press.
- The second edition Committee, 2006. Encyclopedia of water conservancy in China. Beijing: China Water&Power Press.
- Suzen, M.L. and Toprak, V., 1998. Filtering of satellite images in geological lineament analyses: an application to a fault zone in Central Turkey. International Journal of Remote Sensing, 19 (6), 1101–1114.
- van Wesemael, B., et al., 1998. Collection and storage of runoff from hillslopes in a semi-arid environment: geomorphic and hydrologic aspects of the aljibe system in Almeria Province, Spain. Journal of Arid Environments, 40 (1), 1–14.
- Von Gioi, R.G., et al., 2010. LSD: A fast line segment detector with a false detection control. IEEE Transactions on Pattern Analysis and Machine Intelligence, 32 (4), 722–732. doi:10.1109/TPAMI.2008.300
- Wakindiki, I.I.C. and Ben-Hur, M., 2002. Indigenous soil and water conservation techniques: effects on runoff, erosion, and crop yields under semi-arid conditions. Soil Research, 40 (3), 367–379. doi:10.1071/SR01037
- Wang, W., et al., 2016. A review of road extraction from remote sensing images. Journal of Traffic and Transportation Engineering (english Edition), 3 (3), 271–282. doi:10.1016/j.jtte.2016.05.005
- Wen, Y., et al., 2018. Effect of rainfall intensity on Rill erosion on terrace wall. Research of Soil & Water Conservation, 25 (3), 6–10.
- Yang, X., et al., 2017a. Deriving Ephemeral gullies from VHR image in loess hilly areas through directional edge detection. ISPRS International Journal of Geo-Information, 6 (11), 371. doi:10.3390/ijgi6110371
- Yang, X., et al., 2017b. Gully boundary extraction based on multidirectional hill-shading from high-resolution DEMs. Transactions in GIS, 21 (6), 1204–1216. doi:10.1111/tgis.12273
- Yuan, T., Fengmin, L., and Puhai, L., 2003. Economic analysis of rainwater harvesting and irrigation methods, with an example from China. Agricultural Water Management, 60 (3), 217–226. doi:10.1016/S0378-3774(02)00171-3
- Zhao, H., et al., 2017. Extraction of terraces on the Loess Plateau from high-resolution DEMs and imagery utilizing object-based image analysis. ISPRS International Journal of Geo-Information, 6 (6), 157. doi:10.3390/ijgi6060157