| 草地植被盖度的近距离遥感测定 |
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| 引用本文： | 池宏康,周广胜,许振柱,袁文平. 草地植被盖度的近距离遥感测定[J]. 草业学报, 2007, 16(2): 105-110 |
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| 作者姓名： | 池宏康 周广胜 许振柱 袁文平 |
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| 作者单位： | 中国科学院植物研究所数量植被生态学重点实验室,北京,100093 |
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| 基金项目： | 国家重点基础研究发展规划项目(973项目)(G1999043407)，国家自然科学基金项目(40231018)资助 |
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| 摘 要： | 盖度或者覆盖度是植物群落结构的一个重要数量指标。通常的目视估测植物群落盖度方法不仅精度低,而且因人而异。本研究采用近距离遥感方法测定草地植物群落盖度,该方法主要包括数据获取、图像处理、像元数量提取和盖度计算4个部分。精度评价表明,该方法测定的绿色植被盖度误差很小,与目视估测方法比较,它具有客观、一致和精度高的优点。
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| 关 键 词： | 草地 植被盖度 遥感 像元 |
| 文章编号： | 1004-5759（2007）02-0105-06 |
| 收稿时间： | 2005-04-09 |
| 修稿时间： | 2005-04-09 |
Measuring coverage of grassland vegetation using remote sensing over short distances |
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| CHI Hong-kang,ZHOU Guang-sheng,XU Zhen-zhu,YUAN Wen-ping. Measuring coverage of grassland vegetation using remote sensing over short distances[J]. Acta Prataculturae Sinica, 2007, 16(2): 105-110 |
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| Authors: | CHI Hong-kang ZHOU Guang-sheng XU Zhen-zhu YUAN Wen-ping |
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| Affiliation: | Key Laboratory of Quantitative Vegetation Ecology, Institute of Botany, Chinese Academy of Sciences, Beijing 100093, China |
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| Abstract: | Coverage is an important quantitative index for plant community structure.In general,the method of visual estimation for the coverage of plant communities has not only low precision,but also a variety of results with different persons.A method measuring coverage of grassland communities using remote sensing over short distances is suggested in this paper.This method has four parts: data acquisition,image processing,pixel number extraction and coverage calculation.,Based on the precision assessment,the error is very small,and it has advantages such as objectivity,consistency and high precision,compared with visual estimation methods. |
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| Keywords: | grassland vegetation coverage remote sensing pixel |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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