Results 61 to 70 of about 562,555 (164)

Surface Expression of the Kuroshio Extension Northern Recirculation Gyre

open access: yesGeophysical Research Letters, Volume 53, Issue 17, 16 September 2026.
Abstract The Northern Recirculation Gyre (NRG) of the Kuroshio Extension (KE) has traditionally been viewed as subsurface‐intensified and difficult to identify at the sea surface. We combine a 2016–2025 subsurface mooring record, satellite altimetry, Argo trajectory‐based velocities, and historical near‐bottom velocities to reassess the sea‐surface ...
Haihong Guo, Mengze Song, Zhaohui Chen
wiley   +1 more source

Ionospheric Data Fusion With GNSS, GNSS‐RO and Satellite Altimetry Based on Machine Learning

open access: yesJournal of Geophysical Research: Machine Learning and Computation
Global Ionospheric Maps (GIMs) are essential in Global Navigation Satellite System (GNSS) applications, particularly for correcting ionospheric delays in single‐frequency positioning. GIMs are mainly derived from dual‐frequency GNSS observations, but the
Marcel Iten, Shuyin Mao, Benedikt Soja
doaj   +1 more source

How Much Water Can Be Seasonally Buffered by China's Largest Floodplain Lake? A Refined Estimate From SWOT

open access: yesGeophysical Research Letters, Volume 53, Issue 17, 16 September 2026.
Abstract Poyang Lake, China's largest floodplain lake, plays a crucial role in regional hydrology by seasonally regulating water to mitigate floods and sustain extensive wetland ecosystems. However, complex hydrodynamics and significant spatial hydraulic gradients often invalidate the traditional “flat‐water” assumption, making reliable estimation of ...
Lingyang Liu   +7 more
wiley   +1 more source

Altimetry for the future: Building on 25 years of progress [PDF]

open access: yes, 2021
\ua9 2021 COSPARIn 2018 we celebrated 25 years of development of radar altimetry, and the progress achieved by this methodology in the fields of global and coastal oceanography, hydrology, geodesy and cryospheric sciences. Many symbolic major events have
Spatar C   +3 more
core   +1 more source

Preface to the Special Issue on Satellite Altimetry over Land and Coastal Zones: Applications and Challenges

open access: yesTerrestrial, Atmospheric and Oceanic Sciences, 2008
This special issue publishes peer reviewed papers stemming from the International Workshop on Coast and Land applications of satellite altimetry, held 21 -22 July 2006, Beijing, China.
Cheinway Hwang   +3 more
doaj   +2 more sources

Toward an Improved Understanding of the Antarctic Coastal Zone and Its Contribution to Future Global Sea Level

open access: yesReviews of Geophysics, Volume 64, Issue 3, September 2026.
Abstract Understanding the coastal zone of the Antarctic Ice Sheet (AIS), where it interacts with the Southern Ocean and warmer air masses, is crucial for predicting Antarctica's influence on the global climate and sea level. This region has multiple tipping mechanisms that could trigger large, rapid, and potentially irreversible changes in the AIS ...
Kenichi Matsuoka   +79 more
wiley   +1 more source

Water level, areal extent and volume change of Lake Tanganyika: Multi-year time series from satellite altimetry and remote sensing

open access: yes, 2017
Water level, areal extent and volume change of Lake Tanganyika: Multi-year time series from satellite altimetry and remote ...
Christian Schwatke (6977231)   +7 more
core   +1 more source

Trends and innovations in ocean mesoscale eddy studies via satellite observation: a bibliometric review

open access: yesFrontiers in Marine Science
Ocean mesoscale eddies play a crucial role in global ocean circulation, heat transport, and biogeochemical processes. Satellite altimetry has become a foundation in observing and analyzing these dynamic phenomena, offering high-resolution, global ...
Fan Xu   +7 more
doaj   +1 more source

How well can satellite altimetry and firn models resolve Antarctic firn thickness variations? [PDF]

open access: yesThe Cryosphere
Elevation changes of the Antarctic Ice Sheet (AIS) related to surface mass balance and firn processes vary strongly in space and time. Their subdecadal natural variability is large and hampers the detection of long-term climate trends.
M. T. Kappelsberger   +8 more
doaj   +1 more source

Space-Borne GNSS-R Ionospheric Delay Error Elimination by Optimal Spatial Filtering

open access: yesSensors, 2020
Global Navigation Satellite System Reflectometry (GNSS-R) technology is a new and promising remote sensing technology, especially satellite-based GNSS-R remote sensing, which has broad application prospects. In this work, the ionospheric impacts on space-
Qiuyang Zhang, Yang Liu, Junming Xia
doaj   +1 more source

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