Results 81 to 90 of about 83,920 (263)

Flooding Projections Due To Groundwater Emergence Caused by Sea Level Variability

open access: yesEarth's Future, Volume 13, Issue 7, July 2025.
Abstract Rising groundwater tables due to sea level rise (SLR) pose a critical but understudied threat to low‐lying coastal regions. This study uses field observations and dynamic modeling to investigate drivers of groundwater variability and to project flooding risks from emergent groundwater in Imperial Beach, California.
Austin T. Barnes   +4 more
wiley   +1 more source

Water Exposure Time Distributions Controlled by Freshwater Releases in a Semi‐Enclosed Estuary

open access: yesWater Resources Research, Volume 61, Issue 7, July 2025.
Abstract Freshwater diversions manage water shortages, salinity, and control floodwater by redirecting river flows; however, their full ecological and hydrological impact remains unknown. This study examines the Lake Pontchartrain Estuary in Louisiana using a hydrodynamic model and Lagrangian particle tracking to assess how diversion operations (open ...
Caitlin R. R. Turner, Matthew Hiatt
wiley   +1 more source

Referencing regional geoid-based vertical datums to national tide gauge networks

open access: yesJournal of Geodetic Science, 2012
The objective of this study is to investigate the best means for referencing a regional geoid-based vertical datum to a network of tide gauges. In this study, a network of 27 tide gauge stations scattered along the coasts of Canada are used in order to ...
Bolkas D., Fotopoulos G., Sideris M. G.
doaj   +1 more source

Control of Gravitational Potential Energy on the Distribution of Off‐Rift Volcanic Activity in the Turkana Depression, East African Rift

open access: yesGeophysical Research Letters, Volume 52, Issue 12, 28 June 2025.
Abstract The distribution and alignment of volcanism in continental rifts is controlled by regional extensional stresses modulated by several factors such as structural inheritance, volcano edifice loading, and rift architecture. These interactions result in complex characteristics of rift‐related volcanic features, which may be difficult to interpret ...
Giacomo Corti   +7 more
wiley   +1 more source

Precipitation Over Complex Mountain Terrain in a Convection‐Permitting Regional Climate Model

open access: yesJournal of Geophysical Research: Atmospheres, Volume 130, Issue 12, 28 June 2025.
Abstract Orographic precipitation is a critical freshwater source and major flooding hazard, but its distribution and behavior over complex terrain are often uncertain due to sparse observations. We examine precipitation and its drivers in one of the wettest regions in the world, the Southern Alps of New Zealand (NZ), using the first multi‐decadal ...
Stephen J. Stuart   +6 more
wiley   +1 more source

GEOS I tracking station positions on the SAO standard earth /C-5/ [PDF]

open access: yes
GEOS 1 tracking station positions on SAO standard earth C-5 ...
Brooks, R. L.   +3 more
core   +1 more source

Semi-kinematic geodetic reference frame based on the ITRF2014 for Malaysia

open access: yesJournal of Geodetic Science, 2020
Malaysia is located at the stable part of the tec-tonic Sundaland platelet in SE Asia. The platelet is surrounded in almost every direction by tectonically active convergent boundaries, at which the Philippine Sea, the Australian and the Indian Plates ...
Azhari M.   +11 more
doaj   +1 more source

Observational data formats and identification of supplementary documentation for the National Geodetic Satellite Program [PDF]

open access: yes
Observational formats for geodetic tracking data and supporting documentation for data ...
Kahler, H. R., Roy, N. A.
core   +1 more source

On the unification of geodetic leveling datums using satellite altimetry [PDF]

open access: yes
Techniques are described for determining the height of Mean Sea Level (MSL) at coastal sites from satellite altimetry. Such information is of value in the adjustment of continental leveling networks.
Mather, R. S., Morrison, T., Rizos, C.
core   +1 more source

Approximations of the GOCE error variance-covariance matrix for least-squares estimation of height datum offsets

open access: yesJournal of Geodetic Science, 2012
One main geodetic objective of the European Space Agency’s satellite mission GOCE (gravity field and steady-state ocean circulation explorer) is the contribution to global height system unification.
Gerlach Ch., Fecher Th.
doaj   +1 more source

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