Results 61 to 70 of about 35,587 (189)

Advancing Near‐Real‐Time Flood Inundation Mapping in Australia

Water Resources Research, Volume 62, Issue 2, February 2026.
Abstract Floods are the second‐most deadly natural hazard in Australia, following heatwaves. Monitoring flood extent and depth in near real‐time (NRT) is crucial to minimize loss of life and socio‐economic impacts. This study leverages advanced computing, data management systems, and high‐quality data, including river gauge data APIs and Australian ...
Jiawei Hou, Wendy Sharples, Angelica Tarpanelli, Luigi Renzullo, Fitsum Woldemeskel, Elisabetta Carrara   +5 more
wiley   +1 more source

CTRIP‐HyDAS: A Global‐Scale Data Assimilation Framework for SWOT‐Derived Discharge Using Synthetic Observations at High Resolution (1/12°)

Water Resources Research, Volume 62, Issue 2, February 2026.
Abstract The integration of satellite‐based observations into hydrological models offers transformation potential for improving discharge predictions globally, especially in regions lacking in situ measurements. This study presents CTRIP‐HyDAS, a global‐scale hydrological data assimilation framework that merges SWOT‐derived discharge observations with ...
Kaushlendra Verma, Simon Munier, Aaron Boone, Patrick Le Moigne   +3 more
wiley   +1 more source

Data-Driven Calibration of SWOT’s Systematic Errors: First In-Flight Assessment

Remote Sensing
The SWOT satellite, carrying the KaRIN first wide-swath onboard altimeter, was launched in December 2022, and has now delivered more than a year of surface water elevation data over the ocean and inland lakes/rivers. These data are affected by systematic
Clément Ubelmann, Gérald Dibarboure, Benjamin Flamant, Antoine Delepoulle, Maxime Vayre, Yannice Faugère, Pierre Prandi, Matthias Raynal, Frédéric Briol, Geoffroy Bracher, Emeline Cadier   +10 more
doaj   +1 more source

An observational philosophy for GEOS-C satellite altimetry [PDF]

, 1972
The parameters necessary for obtaining a 10 cm accuracy for GEOS-C satellite altimetry are outlined. These data include oceanographic parameters, instrument calibration, pulse propagation, sea surface effects, and optimum ...
Weiffenbach, G. C.
core   +1 more source

A Side of Mercury Not Seen By Mariner 10 [PDF]

, 2007
More than 60,000 images of Mercury were taken at ~29 deg elevation during two sunrises, at 820 nm, and through a 1.35 m diameter off-axis aperture on the SOAR telescope. The sharpest resolve 0.2" (140 km) and cover 190-300 deg longitude -- a swath unseen
Dmitry Rashkeev, Fried D. L., Gerald Cecil, Richardson W. H., Strom R. G.   +4 more
core   +3 more sources

Evaluating SWOT in the Coastal Zone: Comparisons With Tide Gauge and Airborne LiDAR in the Bristol Channel and Severn Estuary, UK

Geophysical Research Letters, Volume 53, Issue 2, 28 January 2026.
Abstract Traditional nadir altimeters struggle with coastal water surface elevation (WSE) measurement and fine‐scale river‐estuary interactions, due to land‐water signal interference and their wide inter‐track spacing. The wide‐swath Surface Water and Ocean Topography (SWOT) mission, using a new Ka‐band radar interferometer, aims to address these ...
Youtong Rong, Paul Bates, Jeff Neal, Paul Bell, Christine Gommenginger, Ian Dougal Lichtman, Christopher Banks, Francisco J. M. Calafat, Adrien Martin, Jennifer Brown, Richard Cooke, Christopher Balfour, Michela De Dominicis, Marta Payo Payo, Simon Williams, Laurent Amoudry, Stephen Chuter, Simon Neill, Jude Chisholm, Colin J. Gleason, John Kupiec, Matt Lewis   +21 more
wiley   +1 more source

Impact of two high resolution altimetry mission concepts on ocean forecasting

Frontiers in Marine Science
Observing System Simulation Experiments (OSSEs) with the Mercator Ocean/Copernicus Marine global 1/12° data assimilation system have been carried out to compare and quantify the expected performance of two high resolution altimetry mission concepts ...
Mounir Benkiran, Pierre-Yves Le Traon, Pierre-Yves Le Traon, Elisabeth Rémy, Yann Drillet   +4 more
doaj   +1 more source

Sea surface height measuring using InSAR altimeter

Geodesy and Geodynamics, 2017
Satellite altimetry has been widely used in measuring ocean topography from space. The conventional altimeter system is the nadir radar altimeter system which has the limitations of one-dimensional measurement and is unable to get both high temporal and ...
Xiaohong Sui, Running Zhang, Falin Wu, Yang Li, Xiaoyun Wan   +4 more
doaj   +1 more source

Assimilation of wide-swath altimetry observations to correct large-scale river routing model parameters

, 2019
. Land surface models combined with river routing models are widely used to study the continental part of the water cycle. They give global estimates of water flows and storages but not without non-negligible uncertainties; among which inexact input ...
C. Emery, S. Biancamaria, A. Boone, S. Ricci, M. Rochoux, V. Pedinotti, C. David   +6 more
semanticscholar   +1 more source

SMAP Satellite Microwave Radiometry to Monitor River Flow and Lake Level in the Lower Mekong Basin

Earth and Space Science, Volume 13, Issue 1, January 2026.
Abstract The NASA Soil Moisture Active Passive Mission (SMAP) satellite passive microwave radiometry (PMR) capability is demonstrated for measurements of river stage, river discharge, and lake level with in situ gauging data in the Lower Mekong Basin (LMB).
A. Podkowa, S. V. Nghiem, Z. Kugler, G. R. Brakenridge   +3 more
wiley   +1 more source