Knowledge Resource Center for Ecological Environment in Arid Area
| 项目编号 | 41375032 |
| 一种红外高光谱检测沙尘云的方法研究 | |
| 衣育红 | |
| 主持机构 | 兰州大学 |
| 开始日期 | 2014 |
| 结束日期 | 2017 |
| 资助经费 | 800000(CNY) |
| 项目类别 | 面上项目 |
| 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 | Mineral dust is one the most important types of aerosols in northwestern part of China, which often mixes with cloud (i.e., dusty cloud), making dusty cloud a unique phenomenon in this region. The conventional satellite remote sensing, combining several visible and infrared channels, often misclassifies these dusty pixels as cloud. There are few studies focusing on detecting dusty cloud using hyper-spectral infrared observations. In this project, by combining the active/passive satellite remote sensing data and high-spectral radiative transfer model simulations, we will develop a new and fast approach to detect dusty cloud in northwestern part of China using hyper-spectral infrared observations, which can facilitate the retrieval of cloud thermodynamic phase and optical properties. First, we will combine multiple satellite instuments (active and passive) and ground-based measurements to classify cloud, dusty cloud, and mineral dust aerosols. Second, we will simulate the hyper-spectral infrared characteristics for cloud, dusty cloud, and mineral dust aerosols. Last, we will develop a new and fast approch to detect dusty cloud for this arid/semi-arid region based on the simulations and current cloud detection techniques. |
| 中文关键词 | 红外 ; 高光谱 ; 沙尘云 ; 西北地区 |
| 来源机构 | 兰州大学 |
| 资源类型 | 项目 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/345620 |
| 推荐引用方式 GB/T 7714 | 衣育红.一种红外高光谱检测沙尘云的方法研究.2014. |
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