Results 11 to 20 of about 26,773 (157)

Analysis of GNSS-R Code-Level Altimetry Using QZSS C/A, L1C, and BDS B1C Signals and Their Combinations in a Coastal Experiment

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
The fully completed Quasi-Zenith Satellite System (QZSS) and BeiDou Navigation Satellite System (BDS-3) can provide higher precision code observations owing to their advanced signal modulation.
Nazi Wang   +5 more
doaj   +1 more source

A Review of Marine Gravity Field Recovery from Satellite Altimetry

open access: yesRemote Sensing, 2022
Marine gravity field recovery relies heavily on satellite altimetry. Thanks to the evolution of altimetry missions and the improvements in altimeter data processing methods, the marine gravity field model has been prominently enhanced in accuracy and ...
Zhen Li   +4 more
doaj   +1 more source

On the Contribution of Satellite Altimetry-Derived Water Surface Elevation to Hydrodynamic Model Calibration in the Han River

open access: yesRemote Sensing, 2020
Satellite altimetry can fill the spatial gaps of in-situ gauging networks especially in poorly gauged regions. Although at a generally low temporal resolution, satellite altimetry has been successfully used for water surface elevation (WSE) estimation ...
Youjiang Shen   +7 more
doaj   +1 more source

High-resolution airborne observations of sea-ice pressure ridge sail height

open access: yesAnnals of Glaciology, 2018
Pressure ridges impact the mass, energy and momentum budgets of the sea-ice cover and present an obstacle to transportation through ice-infested waters. Quantifying ridge characteristics is important for understanding total sea-ice mass and for improving
K. Duncan   +5 more
doaj   +1 more source

Correction of Atmospheric Delay Error of Airborne and Spaceborne GNSS-R Sea Surface Altimetry

open access: yesFrontiers in Earth Science, 2022
Improving the measurement accuracy is a necessary condition for sea surface altimetry using the Global Navigation Satellite System Reflectometry (GNSS-R).
Zhengjie Yan   +7 more
doaj   +1 more source

Comparison of Integrating GF-7 and ICESat-2 Laser Altimetry Data with High-resolution Stereo Images for Stereo Mapping [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
Currently, two types of satellite laser altimetry systems are in operation: the full waveform linear system and the single-photon-counting system, which exhibit significant differences in both data format and processing methodologies.
J. Chen, G. Li, J. Guo, J. Peng, J. Peng
doaj   +1 more source

Joint inversion estimate of regional glacial isostatic adjustment in Antarctica considering a lateral varying Earth structure (ESA STSE Project REGINA) [PDF]

open access: yes, 2017
A major uncertainty in determining the mass balance of the Antarctic ice sheet from measurements of satellite gravimetry, and to a lesser extent satellite altimetry, is the poorly known correction for the ongoing deformation of the solid Earth caused by
Bamber, Jonathan L.   +11 more
core   +3 more sources

Tsunami detection by satellite altimetry [PDF]

open access: yesJournal of Geophysical Research: Solid Earth, 1999
We present what is to our knowledge the first direct observation of the deformation of the surface of the ocean upon passage of a tsunami wave, on the high seas, far from the influence of shorelines and continental shelves. We use satellite altimetry data from the ERS‐1 and TOPEX/POSEIDON programs, complemented by spectrogram techniques and synthetic ...
Emile A. Okal   +2 more
openaire   +2 more sources

Satellite altimetry and operational oceanography: from Jason-1 to SWOT [PDF]

open access: yesOcean Science
The development and evolution of satellite altimetry and operational oceanography are very closely linked. By providing all weather, global, and real-time observations of sea level, a key variable to constrain ocean analysis and forecasting systems ...
P.-Y. Le Traon   +9 more
doaj   +1 more source

Utilization of Tide Observation and Satellite Altimetry Data for Detecting Land Vertical Movement

open access: yesJournal of Geospatial Information Science and Engineering, 2019
Indonesia is one of the country that often experiences earthquakes and volcanic eruptions because of its position on the meeting point of three active tectonic plates, namely the Eurasian, Indo-Australian and Pacific plates.
Maritsa Faridatunnisa
doaj   +1 more source

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