基于RS和GIS的耕地资源质量评价——以浙江省富阳市为例
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国家自然科学基金项目(30700098、40701007)和浙江省自然科学基金项目(Y507207)资助


Cultivated Land Quality Assessment Based on RS & GIS Technologies——A Case Study in Fuyang City, Zhejiang Province
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    摘要:

    开展耕地质量调查与评价对更科学地利用有限的耕地资源、提高综合生产能力、遏制耕地质量退化、确保地力等有十分必要的作用。本研究综合运用遥感(RS)和地理信息系统(GIS)技术,对研究区Landsat TM 多光谱影像进行了定量分析,最终将富阳耕地质量划分为5个等级。结果表明,一级耕地只占了0.28%,二、三级耕地占了约70%,较差的耕地占了约30%。在此基础上分析了各等级耕地的分布情况并提出了改进建议,探讨了基于RS和GIS 技术进行耕地质量评价的意义。

    Abstract:

    Cultivated land quality assessment has an inevitable affect on utilizing reasonably cultivated land resource, improving synthetic productivity and maintaining high land quality. The research made a quantitative analysis using RS & GIS technology synthetically and divided the cultivated land of Fuyang into 5 grades. The results showed that the 1st grade land only took up 0.28%, the 2nd and 3rd ones in total took up about 70%, and the others took up about 30%. The distributions of different grade lands were analyzed and the advices on land improvement were proposed. The significance of the cultivated land quality assessment based on RS & GIS technology was also discussed.

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姚赫男,李 艳,曹 宇.基于RS和GIS的耕地资源质量评价——以浙江省富阳市为例[J].土壤,2013,45(4):732-738. YAO He-nan, LI Yan, CAO Yu. Cultivated Land Quality Assessment Based on RS & GIS Technologies——A Case Study in Fuyang City, Zhejiang Province[J]. Soils,2013,45(4):732-738

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  • 在线发布日期: 2013-09-11
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