Results 101 to 110 of about 757,045 (352)

Interaction of marine geodesy, satellite technology and ocean physics [PDF]

open access: yes
The possible applications of satellite technology in marine geodesy and geodetic related ocean physics were investigated. Four major problems were identified in the areas of geodesy and ocean physics: (1) geodetic positioning and control establishment ...
Fubara, D. M. J., Mourad, A. G.
core   +1 more source

Ocean Eddies Lower the Global‐Mean, Maximum Intensity of Tropical Cyclones in a One‐Year Global, Coupled Simulation

open access: yesGeophysical Research Letters, Volume 53, Issue 2, 28 January 2026.
Abstract We quantify the impact of ocean eddies on the global‐mean tropical‐cyclone intensity in a 1‐year simulation run with a coupled atmosphere‐ocean model with quite‐realistic seasonal climatology that resolves both Tropical cyclones (TCs) and ocean eddies.
Arjun Unnithan Kumar   +2 more
wiley   +1 more source

Satellite Monitoring of Mass Changes and Ground Subsidence in Sudan’s Oil Fields Using GRACE and Sentinel-1 Data

open access: yesRemote Sensing, 2020
Monitoring environmental hazards, owing to natural and anthropogenic causes, is an important issue, which requires proper data, models, and cross-validation of the results.
Nureldin A.A. Gido   +3 more
doaj   +1 more source

A method to calculate zero-signature satellite laser ranging normal points for millimeter geodesy - a case study with Ajisai

open access: yesEarth, Planets and Space, 2015
High repetition-rate satellite laser ranging (SLR) offers new possibilities for the post-processing of the range measurements. We analyze 11 years of kHz SLR passes of the geodetic satellite Ajisai delivered by Graz SLR station (Austria) in order to ...
D. Kucharski   +3 more
semanticscholar   +1 more source

Seismic Velocity Variations, Ground Deformation and the Role of Fluids During a Low‐Energy Seismic Swarm

open access: yesGeophysical Research Letters, Volume 53, Issue 2, 28 January 2026.
Abstract On March 9th $9\mathrm{th}$, 2023, three small earthquakes (3.8≤Mw≤4.5) $(3.8\le {M}_{w}\le 4.5)$ occurred near Umbertide (Central Italy), within 4 hours. Analyzing seismic ambient noise in the frequency band 0.1–1 Hz from six seismometers within 20 km of the Mw 4.5, we detect a significant drop in seismic velocity at the time of occurrence of
Eugenio Mandler   +7 more
wiley   +1 more source

Elucidating the magma plumbing system of Ol Doinyo Lengai (Natron Rift, Tanzania) using Satellite Geodesy and numerical modeling

open access: yesJournal of Volcanology and Geothermal Research, 2023
Ntambila Daud   +5 more
semanticscholar   +1 more source

DMA precise time and time interval requirements [PDF]

open access: yes
Defense Mapping Agency timing requirements ranging from milliseconds to tenths of nanoseconds and its use of geodetic astronomy and satellite geodesy programs are discussed in ...
Carnahan, R. H.
core   +1 more source

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

open access: yesGeophysical 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   +21 more
wiley   +1 more source

Andean tectonics: Implications for Satellite Geodesy [PDF]

open access: yes
Current knowledge and theories of large scale Andean tectonics as they relate to site planning for the NASA Crustal Dynamics Program's proposed high precision geodetic measurements of relative motions between the Nazca and South American plates are ...
Allenby, R. J.
core   +1 more source

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