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Cultivated land gradation study of Changping District in Beijing based on fuzzy clustering model |
| WANG Yong1, CHEN Yuhui2 |
1. Institute of Remote Sensing and Digital Earth, CAS, Beijing 100101, China;
2. Information Branch College, Jiangxi Environmental Engineering Vocational College, Ganzhou 341002, China |
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Abstract Cultivated land quality assessment is one of the projects in the new round of land resources surveying, and it is necessary to clarify the quality of cultivated land in Changping District of Beijing. In view of the shortage of cultivated land graduation, the authors combined the fuzzy theory and SOFM with GIS to establish the cultivated land graduation model, and used the model to graduate cultivated land of Changping District in Beijing. The research results show that the method has the advantages of obtaining stable and reliable results. The SOFM-GIS clustering model can be used to evaluate the quality of cultivated land and, with the visualization capabilities of GIS, to display distribution characteristics of cultivated land. In addition, it also provides a reference method for evaluating the cultivated land quality in similar areas.
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| Keywords
smart phone
embedded GIS
spatial data
GPS
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Issue Date: 23 July 2015
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2015,
Vol. 27
