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Study on Methods of Land Use Status Update Survey

Author: HanGuiMei
Tutor: SunTaiSen；ShiXueYi
School: Shanxi Agricultural University
Course: Agricultural Economics and Management
Keywords: Current land use Change Survey GIS Method
CLC: F301.2
Type: Master's thesis
Year: 2004
Downloads: 553
Quote: 3
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Abstract


China completed during the 1986 - 1994 National county-level land use survey work, to obtain the most detailed ever current land use and land resources information. At present, however, most of the counties in the country from the last land survey work have passed 10 years time, the status of land use has changed dramatically. Although the state requires a year-on-year change of land survey results, but many counties land changes only remain in the data, maps and data \And land change survey process is mainly manual, slow, long period, expenses and less effective. The now potential land use basic data and maps gradual constraints of information technology and scientific management of land and resources. This study is the response to this reality, Xiyang County in Shanxi Province as the study area of ??orthophoto maps and GIS technology-based current land use change survey. The construction application technology research in land use classification theory and remote sensing technology, geographic information systems and systems based on land use change survey three methods: the traditional survey methods, survey of \orthophoto maps and GIS technology-based survey methodology. Empirical research focuses on land updated survey methodology based on the orthophoto map and GIS technology. This method is based on the 1:10000 standard points increase orthophoto picture shows the base map of the field investigation, in accordance with the specific requirements of of Shanxi Land Use Investigation technical regulations and technical specifications, wild land type tune painted and The ownership boundaries survey, and new feature and change the situation in recent years to supplement the investigation, within the industry, using MapGis Software, in accordance with the standards of the National Database Construction graphical and attribute library construction, and the eventual establishment of Land Utilization Database. Establish Xiyang County Land Utilization Database, compared to the total area of ??the updated survey framing area, the area of ??land types and the corresponding changes to the area in late 2000, the main reason causing the difference from a different job means, and differences in the processing of data, the classification system used in the updated survey also analyzed. The study of land change comparative analysis of three methods of investigation, and pointed out that the various parties

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CLC: > Economic > Agricultural economy > Agricultural economic theory > Land Economics > Land management, planning and
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