Results 101 to 110 of about 2,128 (222)

SWOT Observations Constrain a 4D‐Var State Estimate of the California Current System

Earth and Space Science, Volume 13, Issue 7, July 2026.
Abstract The Surface Water and Ocean Topography (SWOT) mission provides high‐resolution sea surface height (SSH) observations at 2‐km spacing, resolving submesoscale features typical of ageostrophic motions and associated with instabilities. Here, we demonstrate the assimilation of SWOT data into a regional configuration of the MITgcm for the ...
A. Verdy, S. T. Gille, B. D. Cornuelle, G. Gopalakrishnan, M. R. Mazloff   +4 more
wiley   +1 more source

A new approach to satellite-derived bathymetry: the use of NDWI and ANN with bathymetry sections for reservoir mapping

Boletim de Ciências Geodésicas
Abstract: Mapping the submerged bottom is a hampered task when traditional vessels are inserted in shallow places that pose a danger to navigation. In this sense, current research has sought optical remote sensing to obtain bathymetry estimates in larger locations in less time.
Laura Coelho de Andrade, Letícia Perpétuo Pinheiro, Italo Oliveira Ferreira, Nilcilene das Graças Medeiros, Arthur Amaral e Silva   +4 more
openaire   +2 more sources

Porosity and Permeability of Very Young Oceanic Crust: Implications for Hydrothermal Circulation at Mid‐Ocean Ridges

Geochemistry, Geophysics, Geosystems, Volume 27, Issue 7, July 2026.
Abstract Porosity and permeability are crucial factors influencing hydrothermal flow in the oceanic crust. This paper provides a comprehensive overview of measurements and estimates of porosity and permeability. Although scientific drilling projects have yielded direct measurements of these properties, available data remain limited, particularly for ...
Weihao Lyu, Michele Paulatto, Carl Jacquemyn, Matthew D. Jackson, Yanghua Wang   +4 more
wiley   +1 more source

Physics-Based Satellite-Derived Bathymetry (SDB) Using Landsat OLI Images

Remote Sensing
The estimation of depth in optically shallow waters using satellite imagery can be efficient and cost-effective. Active sensors measure the distance traveled by an emitted laser pulse propagating through the water with high precision and accuracy if the ...
Minsu Kim, Jeff Danielson, Curt Storlazzi, Seonkyung Park   +3 more
doaj   +1 more source

Warm Surface Waters Dominate Melting of the Denman‐Shackleton Ice Shelf System

Journal of Geophysical Research: Oceans, Volume 131, Issue 7, July 2026.
Abstract The ocean dynamics controlling the melting of the Denman‐Shackleton ice shelf system are investigated using a high‐resolution regional ocean‐sea ice‐ice shelf model. Our results show that basal meltwater production exhibits strong seasonal variability, driven by the ocean heat supply toward the ice shelf system, and occurs through two distinct
Yuhang Liu, Maxim Nikurashin, Beatriz Peña‐Molino, Paul Spence, Laura Herraiz‐Borreguero   +4 more
wiley   +1 more source

Stable Sediment Plumes Despite Tidewater Glacier Retreat in a South Greenland Fjord

Journal of Geophysical Research: Oceans, Volume 131, Issue 7, July 2026.
Abstract Tidewater glaciers play a critical role in ice sheet mass loss and fjord hydrography, as meltwater runoff volume and injection depth can influence sediment transport, fjord circulation, and fjord stratification. As tidewater glaciers retreat and transition from marine‐ to land‐terminating, the impacts of shifting meltwater delivery depth on ...
Sydney J. N. Baratta, Kristin M. Schild, Lee Karp‐Boss, Emmanuel Boss, Binbin Jiang, Juliana Tavora   +5 more
wiley   +1 more source

Model Biases and Sensitivities in Simulating Extreme Sea Ice Loss Around Svalbard During the January 2022 Record Cyclone

Journal of Geophysical Research: Oceans, Volume 131, Issue 7, July 2026.
Abstract The record‐breaking Arctic cyclone of January 2022 caused an unprecedented sea ice loss in the Barents Sea near Svalbard, which was severely underestimated by both the ECMWF operational forecast and the CESM1 global climate model. To investigate this discrepancy and further explore the mechanisms that led to sea ice loss, we utilize a regional
Ivana Cerovečki, Rui Sun, Matthew R. Mazloff, Edward Blanchard‐Wrigglesworth, David H. Bromwich   +4 more
wiley   +1 more source

Application of Satellite-Derived Bathymetry in Hydrographic Activity of the Republic of Croatia

, 2023
Hydrography is the branch of applied sciences that deals with the measurement and description of the physical features of oceans, seas, and coastal areas. Sea depth measurements were primarily carried out for the purposes of navigation safety, especially in shallow coastal areas.
Leder, Nenad, Duplančić Leder, Tea
openaire   +1 more source

Interannual Variability of Oceanic Carbon Uptake Associated With Long‐Term Sea‐Ice Loss in the Western Arctic Ocean

Journal of Geophysical Research: Oceans, Volume 131, Issue 7, July 2026.
Abstract The Arctic Ocean (AO) remains an important carbon dioxide (CO2) sink, accounting for approximately 2%–9% of the global oceanic carbon uptake. Over recent decades, rapid sea‐ice loss has altered oceanic carbon uptake dynamics, introducing substantial interannual variability.
Tianyu Zhou, Yun Li, Zhangxian Ouyang, Paul Harmon, Wei‐Jun Cai   +4 more
wiley   +1 more source

Contrasting Responses of Dissolved Oxygen in the Northern Benguela Upwelling System to Four Decades of Warming

Journal of Geophysical Research: Oceans, Volume 131, Issue 7, July 2026.
Abstract The Northern Benguela Upwelling System (NBUS) is a highly productive yet low‐oxygen region, influenced by the combined effects of circulation and biogeochemical processes. Using data from a high‐resolution (∼7 km) coupled physical–biogeochemical model spanning 1980–2020, this study investigates long‐term dissolved oxygen (DO) variability in ...
Amr Talaat Salama, Elisa Lovecchio, Tomas Lovato, Momme Butenschön, Marco Zavatarelli, Stephanie Henson   +5 more
wiley   +1 more source