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INNOVATIONS IN METHODS OF LAND USE DETAILED SURVEY BASED ON 3S TECHNIQUES |
XIE Yao-wen1, XU Jian-hua2 |
1. Lanzhou University, Lanzhou 730000, China;
2. Department of Geography, East China Normal University, Shanghai 200062, China |
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Abstract Land Use Detailed Survey (LUDS) is a process for acquiring detailed information about types, distribution, quantity, application status and tenure of land on large scales according to The Chinese Technical Order of Land Use Status Survey. LUDS is characterized by rigorous land use classifications, strict precision indices, on-the-spot survey and land tenure survey. Nevertheless, the traditional methods for LUDS are based on handwork, and are hence time-wasting and need lots of manpower; In addition, the survey processes have cockamamie programs and can easily produce errors. With the rapid progress of RS, GPS and GIS, the conditions for acquiring land use information are much better than before. This paper briefly describes the concerted methods of 3S in LUDS and evaluates the precision improvement. It also points out some troubles in 3S application.
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Keywords
Thermal infrared remote sensing
Near surface temperature
TVX approach
Neural network
Energy balance
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Issue Date: 02 August 2011
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