Joint Monitoring of Ground and Sky for Cereal Crops Based on Scatterometer Measurement and ASAR Images |
| |
| Authors: | Lei He Feng-Jin Xiao |
| |
| Affiliation: | 1. School of Software Engineering, Chengdu University of Information Technology, Chengdu 610225;2. National Climate Center, Beijing 100081 |
| |
| Abstract: | The joint monitoring of the ground and sky for cereal crops based on microwave data has become a popular method for researches on earth surface objects. Focused on the sensitivity of backscatter from the scatterometer measurement and advanced synthetic aperture radar (ASAR) images to cereal parameters of rice, nine acquisitions, including rice parameters related eco-physiological variables and scattering coefficients, have been carried over the paddy field corresponding to rice growth stages. This paper analyzes the relationship between the corresponding backscatter to the cereal parameters based on the measurement at the interesting bands, polarizations, and incidence angels. Further, a modified water cloud model is built based on the ground measurement and advanced integrated equation model (AIEM), and then cereal parameters from ASAR images are retrieved and verified. The research results show that the sensitivity of backscatter to cereals from the sensor of the radar scatterometer could be helpful to build the retrieve model for synthetic aperture radar (SAR) images, which can achieve the scientific goals of the joint monitoring of ground and sky for cereal crops. |
| |
| Keywords: | Backscatter cereal joint monitoring scatterometer synthetic aperture radar (SAR) |
| 本文献已被 ScienceDirect 等数据库收录！ |
| 点击此处可从《电子科技学刊:英文版》浏览原始摘要信息 |
|
点击此处可从《电子科技学刊:英文版》下载全文 |
|
