Knowledge management system National Space Science Center,CAS
| IS SOIL SALINITY DETECTABLE BY GNSS-R/IR? | |
| Alternative Title | WOS:000519270605243 |
| Wu, Xuerui1,2,3; Xia, Junming4; Jin, Shuanggen1,2,3; Bai, Weihua4; Dong, Zhounan1,2,3 | |
| Source Publication | 2019 IEEE INTERNATIONAL GEOSCIENCE AND REMOTE SENSING SYMPOSIUM (IGARSS 2019) |
| 2019 | |
| Pages | 6227-6230 |
| Language | 英语 |
| ISSN | 2153-6996 |
| ISBN | 978-1-5386-9154-0 |
| Abstract | In the past three decades, GNSS-R/IR has emerged as a new and promising remote sensing technique. Its applications have extended from ocean surface to land scenario. However, to our knowledge, few works focus on the soil salinity detection by GNSS-R/IR. For the first time, this paper studies the feasibility of soil salinity detection by using the microwave scattering models. As the reflected signals or interferometric signals of the GNSS constellations are collected from the first Fresnel zone, Fresnel reflectivities at both linear and circular polarizations are used to simulate the coherent scattering of soil salinity. In order to consider the azimuth angle effects, i.e. to consider the scattering coming from the specular cone, the advance integral equation model is employed. Our scattering simulations at both linear and circular polarizations indicate that soil salinity is detectable at some angles. The polarizations and angles should be carefully considered to find the best combinations for detection. |
| Keyword | GNSS-Reflectometry GNSS-Interferometric Reflectometry polarization soil salinity microwave scattering REFLECTOMETRY |
| Conference Name | IEEE International Geoscience and Remote Sensing Symposium (IGARSS) |
| Conference Date | JUL 28-AUG 02, 2019 |
| Conference Place | Yokohama, JAPAN |
| Indexed By | CPCI |
| Document Type | 会议论文 |
| Identifier | http://ir.nssc.ac.cn/handle/122/7786 |
| Collection | 中国科学院国家空间科学中心 |
| Affiliation | 1.Chifeng Univ, Chifeng 024000, Inner Mongolia, Peoples R China 2.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China 3.Key Lab Space Nav & Posit Technol, Shanghai 200030, Peoples R China 4.Chinese Acad Sci, Key Lab Planetary Sci, Shanghai 200030, Peoples R China 5.Chinese Acad Sci, Natl Space Sci Ctr, Beijing 100190, Peoples R China |
| Recommended Citation GB/T 7714 | Wu, Xuerui,Xia, Junming,Jin, Shuanggen,et al. IS SOIL SALINITY DETECTABLE BY GNSS-R/IR?[C],2019:6227-6230. |
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