Zobrazeno 1 - 10
of 262
pro vyhledávání: '"Cyclone Global Navigation Satellite System (CyGNSS)"'
Autor:
Paulo Setti, Sajad Tabibi
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 18, Pp 663-679 (2025)
Soil moisture, an essential climate variable, is traditionally retrieved on large scales using passive or active microwave sensors, with temporal resolution of 2–3 days and no less than 6 days, respectively. Global navigation satellite system-refle
Externí odkaz:
https://doaj.org/article/4f0da95d9aee4c81ac8fb20f7e9fa7df
Publikováno v:
GIScience & Remote Sensing, Vol 61, Iss 1 (2024)
The estimation of soil moisture (SM) utilizing the data from the Cyclone Global Navigation Satellite System (CYGNSS) has attracted significant interest in recent times. However, CYGNSS’ inherent capability of variable resolution has not been fully
Externí odkaz:
https://doaj.org/article/b0ad1af127b54667b8c67ac5173aa757
Autor:
Yuhan Chen, Qingyun Yan
Publikováno v:
International Journal of Applied Earth Observations and Geoinformation, Vol 133, Iss , Pp 104122- (2024)
Cyclone Global Navigation Satellite System (CyGNSS) data are widely recognized for their sensitivity to inland water bodies. However, the detection of water bodies using single CyGNSS data is subject to uncertainties, presenting challenges for large-
Externí odkaz:
https://doaj.org/article/ce9890b65ea54f9eaa954e91030cbd73
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 16426-16432 (2024)
This works reports updates to a previously-reported time-series ratio (TSR) algorithm for surface soil moisture retrieval from Cyclone Global Navigation Satellite System (CYGNSS) reflectivity data. Both the original and updated algorithms are based o
Externí odkaz:
https://doaj.org/article/ab38385e367f4405ae5479bfbdc96134
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 16108-16118 (2024)
NASA's Cyclone Global Navigation Satellite System (CYGNSS) mission has gained significant attention within the land remote sensing community for estimating soil moisture (SM) using the Global Navigation System Reflectometry technique. Multiple algori
Externí odkaz:
https://doaj.org/article/271acbc698ce4e05883e528693963c83
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 13047-13076 (2024)
Spaceborne global navigation satellite system reflectometry (GNSS-R) is an emerging remote sensing technology that utilizes Earth surface reflections of GNSS signals to monitor geophysical parameters. With its unique advantages of high spatiotemporal
Externí odkaz:
https://doaj.org/article/b93c0cf1820b41629fde2a1a09e22210
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 12554-12566 (2024)
Global Navigation System Reflectometry (GNSS-R) is a microwave remote sensing technology that enables Earth observation by receiving GNSS signals reflected from the Earth's surface. The Cyclone Global Navigation Satellite System (CYGNSS) constellatio
Externí odkaz:
https://doaj.org/article/75d7089e19d64143aa4bea40414f05ca
Autor:
April M. Warnock, Christopher S. Ruf, Anthony Russel, Mohammad M. Al-Khaldi, Rajeswari Balasubramaniam
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 6189-6200 (2024)
A new wind speed product has been developed using bistatic radar data from NASA's Cyclone Global Navigation Satellite System (CYGNSS) mission. The product addresses shortcomings in two existing CYGNSS gridded wind speed products, the L3 gridded fully
Externí odkaz:
https://doaj.org/article/37d57f110489426e8db58852bd8f4cb2
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 8397-8408 (2024)
Qinghai Lake, the largest inland saltwater lake in China, is an important water body that maintains the ecological security of the northeastern Tibetan Plateau. Global navigation satellite system reflectometry technology (GNSS-R) is rarely used in la
Externí odkaz:
https://doaj.org/article/e8f3e92a89b0411db32ba16b27ba7bb5
Autor:
Paulo T. Setti, Sajad Tabibi
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 6658-6670 (2024)
The Amazon basin, one of the world's largest and most vital ecosystems, presents a formidable challenge for accurately mapping its extensive surface water extent and dynamic seasonal and long-term variations. This challenge arises from the region's d
Externí odkaz:
https://doaj.org/article/fecf2403f0eb4df79b322402cf3f4865