基于GIS的县级耕地质量等别年度更新评价中更新数据包提取 |
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引用本文: | 吕妍,杨黎康,周群强.基于GIS的县级耕地质量等别年度更新评价中更新数据包提取[J].测绘与空间地理信息,2016(2). |
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作者姓名: | 吕妍 杨黎康 周群强 |
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作者单位: | 国家测绘地理信息局第二地形测量队,陕西西安,710054 |
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摘 要: | 以勉县为例讲述了新一轮耕地质量等别年度更新评价工作中更新数据包的提取,此次工作是以2013年度为基期,结合以往的农用地分等工作经验,利用GIS空间分析技术,采用叠加法提取更新数据包,全面更新耕地质量等别。
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关 键 词: | 耕地质量 等别 更新 提取 |
Update the Data Packet Extraction Based on the GIS of County Land Quality |
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Abstract: | This paper takes Mianxian as an example about update packets extraction of a new round of cultivated land quality evalua-tion annual update work, this work is based on the 2013 year as the base period, combined with previous work experience in agricul-tural land classification, using GIS spatial analysis technology, extracts the update packet by superposition method, a comprehensive updates of the classification of cultivated land quality. |
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Keywords: | cultivated land quality classification update extract |
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