Results 61 to 70 of about 1,159,554 (218)

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

Avaliação dos dados laser scanner para determinar modelos de terreno em áreas cobertas por floresta ombrófila densa alterada na Amazônia [PDF]

open access: yes, 2007
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Civil.Em florestas, informações tridimensionais de terreno têm sido obtidas por sensores como os de radar, os fotogramétricos ou por ...
Vargas, Rosane Maciel de Araújo
core  

Satellite‐Derived Volume Budget of Antarctic Sea Ice

open access: yesEarth and Space Science, Volume 13, Issue 9, September 2026.
Abstract In recent years, the Antarctic has seen a notable shift in sea ice trends: Where sea ice extent and volume were increasing on average, they have shown an unprecedented decline since 2016. Understanding the drivers of this shift is crucial to determining the impacts of climate change on sea ice and improving modeling of Antarctic sea ice ...
Sabina Sulikova   +14 more
wiley   +1 more source

A fast method for morphological analysis of laser drilling holes [PDF]

open access: yes, 2010
Version éditeur : http://jla.aip.org/resource/1/jlapen/v22/i4/p127_s1?isAuthorized=noThis paper presents an original method for analyzing laser drilled holes.
SCHNEIDER, Matthieu   +7 more
core   +1 more source

ICESat-2 for Coastal MSS Determination—Evaluation in the Norwegian Coastal Zone

open access: yesRemote Sensing, 2023
Radar satellite altimeters enable the determination of the mean sea surface to centimeter accuracy, which can be degraded in coastal areas because of the lack of valid altimetry observations due to land contamination and the altimeter footprint size.
Matea Tomić, Ole Baltazar Andersen
doaj   +1 more source

Assessing SWOT's Measurement Capabilities in the Complex Paraná River

open access: yesEarth and Space Science, Volume 13, Issue 9, September 2026.
Abstract Estimating water surface elevation (WSE) is crucial for understanding hydrological processes; however, many rivers remain insufficiently monitored due to the limitations of in situ gauge networks. The Surface Water and Ocean Topography (SWOT) mission, equipped with Synthetic Aperture Radar technology, enables global monitoring of WSE with high
E. Walker   +7 more
wiley   +1 more source

Laser adhesion test for thermal sprayed coatings on textured surface by laser [PDF]

open access: yes, 2016
The laser shock adhesion test (LASAT) is a technique allowing the generation of high tensile stresses in materials. The LASAT consists in focusing a pulsed laser beam on a water-confined target.
BOUSTIE, Michel   +15 more
core   +1 more source

A State-Space Model for Monitoring Greenland Ice Sheet Surface Elevation Change from CryoSat-2 [PDF]

open access: yesThe Cryosphere
Monitoring surface elevation change of the Greenland Ice Sheet at monthly resolution is important for resolving both seasonal variability and long-term trends, yet irregular sampling and data gaps in satellite altimetry make the reconstruction of ...
N. H. Andersen   +8 more
doaj   +1 more source

Polygon‐Based Spectral Reflectance Sampling for Real‐Time River Discharge Estimation

open access: yesWater Resources Research, Volume 62, Issue 9, September 2026.
Abstract River discharge estimation (RDE) methods are traditionally prone to high costs, vulnerability to extreme events, and are constrained by real‐time data availability. Current remote sensing‐based RDE approaches mainly extract basic river features such as width and water surface elevation, but rarely exploit the full spectral information from ...
Saeed HedayatiAram   +2 more
wiley   +1 more source

Global Estimate of Reservoir Hydropower Storage Potential Based on SWOT Observations

open access: yesEarth's Future, Volume 14, Issue 9, September 2026.
Abstract Hydropower is pivotal to the global transition toward carbon‐neutral energy, yet its actual potential remains constrained by uncertainties. Global assessments have traditionally relied on static metrics, such as dam height, which obscure the dynamic water fluctuations that govern operational reliability.
Lin Huang   +9 more
wiley   +1 more source

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