Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 31460625 |
| 干旱区山地草原叶绿素含量高光谱反演研究 | |
| 郑逢令 | |
| 主持机构 | 新疆畜牧科学院 |
| 开始日期 | 2015 |
| 结束日期 | 2018 |
| 资助经费 | 450000(CNY) |
| 项目类别 | 地区科学基金项目 |
| 资助机构 | CN-NSFC（国家自然科学基金） |
| 语种 | 中文 |
| 国家 | 中国 |
| 英文简介 | Grassland in arid region has important ecological functions,it also provides a lot of forage resource.for better monitoring and management of grassland,we must conduct the dynamic monitoring of the quantity and quality of grassland. In the field investigation and spectral acquisition process , we found that the grassland in arid region note for its different types,species combinations , low vegetation coverage,strong heterogeneity.plots with different species combinations have diverse canopy spectral characteristics,the soil background have a marked impact on the canpony spectral,it is a challenge to inverse the biophysical and biochemical parameters of grassland.our study area locate in mountain grassland of middle section of the northern slope of Tianshan Mountain,from the leaves and canopy levels,in different growth stages of plant, Hyperspectral Data and chlorophyll content plan to be collected and analysed, empirical statistical model and PROSAIL that based on the theory of radiative transfer are going to be utilize for inversion the chlorophyll content of grassland plant, through analysis and fitting accuracy of each model and comparing the measured values , validation , error analysis ,evaluation.aims to learn how to get rid of the soil backgraound noise in the research of chlorophyll content retrival of mountain grasslands in arid region research chlorophyll content retrieval by hyperspectral ,and in a variety of species heterogeneity conditions , how to get a desirable accuracy inversion model.our goal is to serve the needs of ecological monitoring of grassland and animal husbandry production. |
| 来源机构 | 新疆畜牧科学院 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/344347 |
| 推荐引用方式 GB/T 7714 | 郑逢令.干旱区山地草原叶绿素含量高光谱反演研究.2015. |
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