Results 91 to 100 of about 305,398 (310)

Meteorological Tsunamis: From Local Hazard to Global Relevance

open access: yesReviews of Geophysics, Volume 63, Issue 4, December 2025.
Abstract Research on meteorological tsunamis or meteotsunamis—long ocean waves in the tsunami frequency band generated by propagating atmospheric disturbances which resonantly enhance ocean waves—has grown significantly in recent decades. This expansion is due to progress in (a) ocean and atmospheric measurements, including advanced instrumentation ...
Ivica Vilibić   +2 more
wiley   +1 more source

Measuring Clear‐Air Vertical Motions From Space

open access: yesAGU Advances
Measuring vertical velocity in the atmosphere has long been a challenge due to its small magnitude. Taking advantage of the modulation of free tropospheric relative humidity by vertical motions, we derive analytical relationships that allow us to ...
Basile Poujol, Sandrine Bony
doaj   +1 more source

Modulation of Eddy Kinetic Energy by Seasonal Extension of the Eastern Weddell Gyre

open access: yesGeophysical Research Letters, Volume 52, Issue 21, 16 November 2025.
Abstract Active eddies in the eastern Weddell Gyre (WG) facilitate water mass exchange between the WG and warmer Antarctic Circumpolar Current, driving warm inflow into the WG. Using observations and data‐assimilating model output, the impact of seasonal extension of the eastern WG on the local eddy kinetic energy (EKE) field was investigated.
Shikai Yang, Dujuan Kang, Meng Zhou
wiley   +1 more source

Bimodal Evolution of Vertical Motion in Tropical Precipitation Extremes

open access: yesGeophysical Research Letters, Volume 52, Issue 21, 16 November 2025.
Abstract This study examines the evolution of “top‐heaviness” in tropical convection during extreme precipitation events. Top‐heaviness describes the extent to which ascent peaks in the upper (top‐heavy) versus lower (bottom‐heavy) troposphere. Reanalysis vertical velocity profiles are projected onto two sinusoidal basis functions, representing the ...
Yi‐Xian Li   +3 more
wiley   +1 more source

Toward a Mesoscale Hydrological and Marine Meteorological Observation Network in the South China Sea [PDF]

open access: bronze, 2015
Lei Yang   +16 more
openalex   +1 more source

Interplay of Submesoscale Current and Thermal Feedbacks: A Seasonal Perspective in the Gulf Stream

open access: yesGeophysical Research Letters, Volume 52, Issue 21, 16 November 2025.
Abstract This study examines for the first time how submesoscale oceanic features (1–10 km) interact at a seasonal scale with the atmosphere over the Gulf Stream (GS) region using high‐resolution coupled simulations. Focusing on thermal and current feedbacks (TFB and CFB), we show that their combined influence peaks in summer, enhancing surface winds ...
Lionel Renault   +3 more
wiley   +1 more source

Impact of Effective Roughness Length on Mesoscale Meteorological Simulations over Heterogeneous Land Surfaces in Taiwan [PDF]

open access: gold, 2019
Fang-Yi Cheng   +5 more
openalex   +1 more source

Improved Understanding of How Kinematic and Thermodynamic Environmental Changes Impact Modeled Overshooting Top Characteristics

open access: yesGeophysical Research Letters, Volume 52, Issue 21, 16 November 2025.
Abstract Overshooting tops (OTs) are domed protrusions of deep convective updrafts that extend past the anvil of a cumulonimbus. Recent work has shown that OT depth and area may be sensitive to the thermodynamic environment in the upper troposphere/lower stratosphere (UTLS).
Melinda T. Berman   +3 more
wiley   +1 more source

Climate‐Dependent Mechanisms Accelerate Flash Droughts in Drylands and Humid Regions

open access: yesGeophysical Research Letters, Volume 52, Issue 21, 16 November 2025.
Abstract Flash droughts have drawn increasing attention due to their rapid onset and severe impacts. However, the physical factors controlling onset speed remain poorly understood across climate regimes. This study presents a global assessment of flash drought onset speed using satellite‐based evaporative stress estimates and Shapley Additive ...
Qiqi Gou   +4 more
wiley   +1 more source

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