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Algorithm of Leaf Area Index product for HJ-CCD over Heihe River Basin

作者：

Liao, Y. 【所有文章和数据】
Fan, W. 【所有文章和数据】
Xu, X. . 【所有文章和数据】

引用方式

Liao, Y. , Fan, W. , & Xu, X. . (2013). Algorithm of leaf area index product for HJ-CCD over Heihe River Basin. IGARSS 2013 - 2013 IEEE International Geoscience and Remote Sensing Symposium. IEEE.

文献信息
Type Of Reference	CONF
Title	Algorithm of Leaf Area Index product for HJ-CCD over Heihe River Basin
Authors	Liao, Yanran\| Fan, Wenjie\| Xu, Xiru\|
Secondary Title	Geoscience and Remote Sensing Symposium (IGARSS), 2013 IEEE International
Abstract	Middle-resolution Leaf Area Index (LAI) data are of great importance to scientific research relating to atmospheric composition, climate and weather, and the hydrological cycle. This paper introduces a physically based LAI retrieval technique for HJ-CCD at 30-m resolution. The algorithm is based on a canopy BRDF model that characterizes the surface reflectance as a function of a series of parameters. There are three key factors that influence the LAI retrieval processes: 1) the preprocessing to estimate surface reflectance; 2) the quality of the input land cover data; 3) the accuracy of the input parameters. Accounting for these factors, a 30-m LAI product of Heihe River Basin in the whole year of 2012 is created utilizing the data from HJ-CCD. Then field measurements are used to evaluate the quality of the product. Results show that the algorithm has the ability to produce LAI products as expected. Future researches will focus on reducing the uncertainties brought by the input data and parameters and implementing this algorithm at national scale over China.
Date	2013/07//
Year	2013
DOI	10.1109/IGARSS.2013.6721118
Database Provider	IEEE Xplore
Start Page	169
Keywords	AD 2012\| Algorithm\| atmospheric composition\| Biological system modeling\| canopy BRDF model\| China\| climate\| climatology\| field measurements\| Heihe River Basin\| HJ-CCD\| HJ-CCD data\| Hydrological cycle\| Indexes\| input data\| input land cover data quality\| input parameter accuracy\| LAI product\| LAI products\| LAI retrieval processes\| Land cover\| Leaf area index\| leaf area index product algorithm\| Middle-resolution\| middle-resolution LAI data\| middle-resolution leaf area index data\| national scale\| parameter series function\| physically based LAI retrieval technique\| product quality evaluation\| Products\| Reflectivity\| Remote sensing\| rivers\| scientific research\| soil\| surface reflectance characterization\| surface reflectance estimation\| uncertainty reduction\| vegetation mapping\| weather\|
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