DOI: 10.1002/2016GL068189
论文题名: Demonstrating soil moisture remote sensing with observations from the UK TechDemoSat-1 satellite mission
作者: Chew C. ; Shah R. ; Zuffada C. ; Hajj G. ; Masters D. ; Mannucci A.J.
刊名: Geophysical Research Letters
ISSN: 0094-9147
EISSN: 1944-8878
出版年: 2016
卷: 43, 期: 7 起始页码: 3317
结束页码: 3324
语种: 英语
英文关键词: bistatic radar
; GNSS-R
; GPS
; soil moisture
Scopus关键词: Global positioning system
; Moisture
; Orbits
; Radar
; Radar receivers
; Remote sensing
; Satellites
; Soils
; Space-based radar
; Surface roughness
; Bistatic radar receivers
; Bistatic radars
; Global Navigation Satellite Systems
; GNSS-R
; Low Earth Orbiting
; Reflected signal
; Satellite mission
; Spatial and temporal scale
; Soil moisture
英文摘要: The ability of spaceborne Global Navigation Satellite System (GNSS) bistatic radar receivers to sense changes in soil moisture is investigated using observations from the low Earth orbiting UK TechDemoSat-1 satellite (TDS-1). Previous studies using receivers on aircraft or towers have shown that ground-reflected GNSS signals are sensitive to changes in soil moisture, though the ability to sense this variable from space has yet to be quantified. Data from TDS-1 show a 7 dB sensitivity of reflected signals to temporal changes in soil moisture. If the effects of surface roughness and vegetation on the reflected signals can be quantified, spaceborne GNSS bistatic radar receivers could provide soil moisture on relatively small spatial and temporal scales. © 2016. American Geophysical Union. All Rights Reserved. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84979469483&doi=10.1002%2f2016GL068189&partnerID=40&md5=b8b52f3132f72d1b61d217c261f9df10
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/10110
Appears in Collections: 科学计划与规划 气候变化与战略
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作者单位: Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, United States
Recommended Citation:
Chew C.,Shah R.,Zuffada C.,et al. Demonstrating soil moisture remote sensing with observations from the UK TechDemoSat-1 satellite mission[J]. Geophysical Research Letters,2016-01-01,43(7).