| 黄土地区高中低产农田成因及遥感分类方法研究——以山西省定襄县为例 |
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| 引用本文： | 乔玉良.黄土地区高中低产农田成因及遥感分类方法研究——以山西省定襄县为例[J].遥感学报,2002,6(1):70-74. |
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| 作者姓名： | 乔玉良 |
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| 作者单位： | 山西省农业遥感应用研究所,山西,太原,030002 |
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| 基金项目： | 国防科工委卫星应用重点技术资助项目Y95 8 |
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| 摘 要： | 利用空间遥感信息在地理信息系统支持下，以山西省定襄县为试验区，进行黄土地区高中低产农田监测时，选用与高中低产农田成因直接关系的盐碱程度、灌溉等级和地形坡度等专题信息与TM数据进行信息复合，采用先分枢分类最后合并的复合分层分类方法，改进了常规的遥感分类方法，大大提高了分类精度。
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| 关 键 词： | 遥感 GIS 农田 复合分层分类 黄土地区 |
| 文章编号： | 1007-4619(2002)01-0070-05 |
| 收稿时间： | 2000/10/31 0:00:00 |
| 修稿时间： | 2000年10月31 |
Study on Remote Sensing Classification Method of Classifing High, Medium and Low Yield Croplands and Their Forming Factors in the Loess Plateau --Taking Dingxiang County of Shanxi Province as an Example |
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| QIAO Yu-liang.Study on Remote Sensing Classification Method of Classifing High, Medium and Low Yield Croplands and Their Forming Factors in the Loess Plateau --Taking Dingxiang County of Shanxi Province as an Example[J].Journal of Remote Sensing,2002,6(1):70-74. |
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| Authors: | QIAO Yu-liang |
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| Abstract: | In loess plateau of China, the yield varies from cropland to cropland. It is very important for the agriculture of China that monitoring the changes of cropland in different years with RS information. The paper selects some themes that directly affect the yeild of cropland. Based on the comprehensive thematic information, a large region is divided into several small regions and the cropland from some different region in the remote sensing TM image are classified. The development of the method of divisional compound hierarchical classification has improved the accuracy of remote sensing classification greatly. |
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| Keywords: | RS cropland divisional compound hierarchical classification GIS |
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