基于微波冠层散射模型的水稻生物量遥感估算
为寻求有效的水稻生物量估算方法,尝试开发了微波冠层散射模型。将实测的水稻结构参数作为输入变量,运行微波冠层散射的改进模型来模拟水稻冠层后向散射系数,结合遗传算法优化工具,从星载微波雷达遥感ALOS/PALSAR数据反演水稻的结构参数,进而对水稻生物量进行了空间制图。结果显示,模拟的水稻冠层后向散射系数误差在1 dB以内,估算的水稻生物量的误差小于200 g/m2。表明利用微波遥感机理模型反演水稻结构参数和估算水稻生物量具有应用潜力。...
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Published in | 农业工程学报 Vol. 27; no. 9; pp. 100 - 105 |
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Main Author | |
Format | Journal Article |
Language | Chinese |
Published |
华东师范大学资源与环境科学学院,上海200062
2011
中国科学院东北地理与农业生态研究所,长春130012 浙江大学环境与资源学院,杭州310058%浙江大学环境与资源学院,杭州,310058 |
Subjects | |
Online Access | Get full text |
ISSN | 1002-6819 |
DOI | 10.3969/j.issn.1002-6819.2011.09.019 |
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Abstract | 为寻求有效的水稻生物量估算方法,尝试开发了微波冠层散射模型。将实测的水稻结构参数作为输入变量,运行微波冠层散射的改进模型来模拟水稻冠层后向散射系数,结合遗传算法优化工具,从星载微波雷达遥感ALOS/PALSAR数据反演水稻的结构参数,进而对水稻生物量进行了空间制图。结果显示,模拟的水稻冠层后向散射系数误差在1 dB以内,估算的水稻生物量的误差小于200 g/m2。表明利用微波遥感机理模型反演水稻结构参数和估算水稻生物量具有应用潜力。 |
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AbstractList | 为寻求有效的水稻生物量估算方法,尝试开发了微波冠层散射模型。将实测的水稻结构参数作为输入变量,运行微波冠层散射的改进模型来模拟水稻冠层后向散射系数,结合遗传算法优化工具,从星载微波雷达遥感ALOS/PALSAR数据反演水稻的结构参数,进而对水稻生物量进行了空间制图。结果显示,模拟的水稻冠层后向散射系数误差在1 dB以内,估算的水稻生物量的误差小于200 g/m2。表明利用微波遥感机理模型反演水稻结构参数和估算水稻生物量具有应用潜力。 TP79%TP722.6; 为寻求有效的水稻牛物量估算方法,尝试开发了微波冠层散射模型.将实测的水稻结构参数作为输入变量,运行微波冠层散射的改进模型来模拟水稻冠层后向散射系数,结合遗传算法优化工具,从星载微波雷达遥感ALOS/PALSAR 数据反演水稻的结构参数,进而对水稻生物量进行了空间制图.结果显示,模拟的水稻冠层后向散射系数误差在1 dB以内,估算的水稻生物量的误差小于200 g/m2.表明利用微波遥感机理模型反演水稻结构参数和估算水稻生物量具有应用潜力. |
Author | 张远 张中浩 苏世亮 吴嘉平 |
AuthorAffiliation | 华东师范大学资源与环境科学学院,上海200062 中国科学院东北地理与农业生态研究所,长春130012 浙江大学环境与资源学院,杭州310058 |
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Author_FL | Su Shiliang Zhang Yuan Zhang Zhonghao Wu Jiaping |
Author_FL_xml | – sequence: 1 fullname: Zhang Yuan – sequence: 2 fullname: Zhang Zhonghao – sequence: 3 fullname: Su Shiliang – sequence: 4 fullname: Wu Jiaping |
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ClassificationCodes | TP79%TP722.6 |
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DocumentTitleAlternate | Remote sensing estimation of paddy rice biomass based on microwave canopy scattering model |
DocumentTitle_FL | Remote sensing estimation of paddy rice biomass based on microwave canopy scattering model |
EndPage | 105 |
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Keywords | 水稻 结构参数 生物量 遥感 散射模型 模型 |
Language | Chinese |
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Notes | 11-2047/S Zhang Yuan,Zhang Zhonghao,Su Shiliang,Wu Jiaping (1.School of Resources and Environmental Science,East China Normal University,Shanghai 200062,China;2.Research Center of Remote Sensing and Geoscience,Northeast Institute of Geography and Agroecology of CAS,Changchun 130012,China;3.College of Environmental and Resources Sciences,Zhejiang University,Hangzhou 310029,China) remote sensing; model; biomass; paddy rice; scattering model; structural parameters A microwave canopy scattering model was developed for estimating rice biomass effectively. Taking paddy rice biophysical parameters measured in field survey as inputs of modified microwave canopy scattering model to simulate backscattering coefficient of paddy rice canopy, the modified model was integrated with generic algorithm optimization tool (GAOT) for the inversion of rice biophysical parameters from radar data ALOS/PALSAR. And then, a rice biomass map was generated. The results showed that the estimation error of rice canopy backscattering coeffici |
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PublicationTitle | 农业工程学报 |
PublicationTitleAlternate | Transactions of the Chinese Society of Agricultural Engineering |
PublicationTitle_FL | Transactions of the Chinese Society of Agricultural Engineering |
PublicationYear | 2011 |
Publisher | 华东师范大学资源与环境科学学院,上海200062 中国科学院东北地理与农业生态研究所,长春130012 浙江大学环境与资源学院,杭州310058%浙江大学环境与资源学院,杭州,310058 |
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Snippet | 为寻求有效的水稻生物量估算方法,尝试开发了微波冠层散射模型。将实测的水稻结构参数作为输入变量,运行微波冠层散射的改进模型来模拟水稻冠层后向散射系数,结合遗传算法优... TP79%TP722.6; 为寻求有效的水稻牛物量估算方法,尝试开发了微波冠层散射模型.将实测的水稻结构参数作为输入变量,运行微波冠层散射的改进模型来模拟水稻冠层后向散射系数,... |
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SubjectTerms | 散射模型 模型 水稻 生物量 结构参数 遥感 |
Title | 基于微波冠层散射模型的水稻生物量遥感估算 |
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