Results 1 to 10 of about 333 (162)
Daily Spatial Complete Soil Moisture Mapping Over Southeast China Using CYGNSS and MODIS Data [PDF]
Frontiers in Big Data, 2022 Daily spatial complete soil moisture (SM) mapping is important for climatic, hydrological, and agricultural applications. The Cyclone Global Navigation Satellite System (CYGNSS) is the first constellation that utilizes the L band signal transmitted by ...
Ting Yang +7 more
doaj +2 more sources
Investigation of the Occurrence of Nighttime Topside Ionospheric Irregularities in Low-Latitude and Equatorial Regions Using CYGNSS Satellites [PDF]
Sensors, 2020 By using multi-satellite observations of the L1 signal-to-noise ratio (SNR) from the Cyclone Global Navigation Satellite System (CYGNSS) taken in 2017, we present the occurrence of nighttime topside ionospheric irregularities in low-latitude and ...
Liang Huang +5 more
doaj +2 more sources
INTRODUCING THE GLOBAL MAPPING OF FLOOD DYNAMICS USING GNSS-REFLECTOMETRY AND THE CYGNSS MISSION [PDF]
ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022 This study uses the observations from the Cyclone GNSS (CYGNSS) mission to analyze their potential for a global mapping of the floods dynamics in the pan-tropical area using Global Navigation Satellite System (GNSS) Reflectometry (GNSS-R).
P. Zeiger, F. Frappart, J. Darrozes
doaj +1 more source
Remote Sensing, 2022 NASA’s Soil Moisture Active Passive (SMAP) mission only retrieved ~2.5 months of 3 km near surface soil moisture (NSSM) before its radar transmitter malfunctioned. NSSM remains an important area of study, and multiple applications would benefit from 3 km
Liza J. Wernicke +3 more
doaj +1 more source
The CYGNSS Mission: On-Going Science Team Investigations
Remote Sensing, 2021 In 2012, the National Aeronautics and Space Administration (NASA) selected the CYclone Global Navigation Satellite System (CYGNSS) mission coordinated by the University of Michigan (UM) as a low-cost and high-science Earth Venture Mission.
Hugo Carreno-Luengo +6 more
doaj +1 more source
Validation of NOAA CyGNSS Wind Speed Product with the CCMP Data
Remote Sensing, 2021 The National Aeronautics and Space Administration (NASA) Cyclone Global Navigation Satellite System (CyGNSS) mission was launched in December 2016, which can remotely sense sea surface wind with a relatively high spatio-temporal resolution for tracking ...
Xiaohui Li +5 more
doaj +1 more source
The Application of CYGNSS Data for Soil Moisture and Inundation Mapping in Australia
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021 Cyclone global navigation satellite system (CYGNSS) has provided a valuable opportunity for high spatiotemporal monitoring of land surface reflectivity over the past few years.
Mehdi Khaki +3 more
doaj +1 more source
Remote Sensing, 2023 Drought monitoring is crucial for various sectors, and soil moisture data play a pivotal role, especially in agricultural contexts. This study focuses on the recent CYGNSS Level 3 soil moisture data derived from the NASA Cyclone Global Navigation ...
Zhaolu Hou, Zhaoxia Pu
doaj +1 more source
Studies of a Rapid Change Detector Using CYGNSS Level-2 Wind Speed Products
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021 This work further investigates the use of ocean wind speed retrievals from NASA's Cyclone Global Navigation Satellite System (CYGNSS) mission that are closely spaced in space and in time to detect regions in the atmosphere undergoing “rapid&
Mohammad M. Al-Khaldi +2 more
doaj +1 more source
A Study on Assimilation of CYGNSS Wind Speed Data for Tropical Convection during 2018 January MJO
Remote Sensing, 2020 The National Aeronautics and Space Administration (NASA) Cyclone Global Navigation Satellite System (CYGNSS) mission was launched in December 2016.
Xuanli Li +2 more
doaj +1 more source