| 岷江上游典型流域林冠截持降雨遥感模型与反演 |
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| 引用本文： | 李玉霞,杨武年,童玲,简季.岷江上游典型流域林冠截持降雨遥感模型与反演[J].电子科技大学学报(社会科学版),2009(4). |
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| 作者姓名： | 李玉霞 杨武年 童玲 简季 |
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| 作者单位： | 电子科技大学自动化工程学院;成都理工大学国土资源信息技术与应用国土资源部重点实验室; |
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| 基金项目： | 国家自然科学基金(60841006);;“十一五”国家科技支撑计划(MYHT0601) |
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| 摘 要： | 在对岷江上游典型流域研究区实地踏勘和定位观测的基础上,综合利用ETM和ASTER遥感数据、地面实测数据和常规观测数据等资料,结合森林水量平衡原理,建立了岷江上游典型流域林冠截持降雨遥感信息模型。以遥感图像中单个像元作为测算单位,对模型参数叶面最大持水度、覆盖度、叶面积指数(LAI)进行了计算,并对岷江上游毛儿盖地区林冠截留降雨量进行了反演。并利用研究区实测数据、生态环境本底遥感调查数据和水文气象数据对上述模型反演结果进行验证和精度分析。结果表明,模型反演结果精度较高,能较好反应研究区植被冠层截留量的实际状况。
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| 关 键 词： | 定量遥感 降雨截持 空间分析 植被指数 |
Remote Sensing Model and Inversion of Canopy Rainfall Interception in the Upstream of Minjiang Valley |
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| LI Yu-xia,YANG Wu-nian,TONG Ling, JIAN Ji.Remote Sensing Model and Inversion of Canopy Rainfall Interception in the Upstream of Minjiang Valley[J].Journal of University of Electronic Science and Technology of China(Social Sciences Edition),2009(4). |
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| Authors: | LI Yu-xia YANG Wu-nian TONG Ling JIAN Ji |
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| Institution: | 1. School of Automation Engineering;University of Electronic Science and Technology of China Chengdu 610054;2. Institute of RS&GIS;Chengdu University of Technology Chengdu 610059 |
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| Abstract: | The paper constructs a remote sensing model of the forest canopy rainfall interception in the upstream of Minjiang Valley based on the principle of the forest water content balance and research on the orientation observation. The enhanced thematic mapper (ETM) and various data from remote sensing, practical measurement and routine observation are fully utilized in this model. By taking one pixel of the remote sensing images as the calculating unit, the model parameters, including vegetation coverage, leaf a... |
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| Keywords: | quantitative remote sensing rainfall interception spatial analysis vegetation index |
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