Results 111 to 120 of about 2,043 (261)

Tectonic Tremor Reveals Slow Deformation Along the Antarctic–South American Subduction Zone

open access: yesGeophysical Research Letters, Volume 53, Issue 14, 28 July 2026.
Abstract The Antarctic–South American subduction zone is among the least explored convergent margins and lacks documented large interplate earthquakes despite ongoing convergence. Here we report the discovery of tectonic tremor along this plate boundary using continuous seismic data.
K. Azúa, S. Ruiz, S. Ide
wiley   +1 more source

Transient Creep on the Yarlung Zangbo Suture in Southern Tibet Triggered by the 2015 Gorkha (Nepal) Earthquake

open access: yesGeophysical Research Letters, Volume 53, Issue 13, 16 July 2026.
Abstract Large earthquakes often elevate seismicity in surrounding regions, as seen on the Xainza‐Dinggyê rift in southern Tibet after the 2015 MW 7.8 Gorkha (Nepal) earthquake. In contrast, the EW‐trending Yarlung Zangbo suture (YZS), located directly north of this event, exhibits seismic quiescence.
Yunfeng Tian   +6 more
wiley   +1 more source

Winter Storm Induced Turbulent Structure Alteration Triggers Sediment Export From an Abandoned Subaqueous Delta

open access: yesGeophysical Research Letters, Volume 53, Issue 13, 16 July 2026.
Abstract Winter storms present a major erosional hazard to subaqueous deltas globally, but the associated dynamic mechanisms are still not well understood. Using high‐resolution in situ data collected over a 3‐week period in the abandoned Yellow River subaqueous delta, this study employs three‐dimensional quadrant analysis to examine turbulent ...
Renzhi Li   +9 more
wiley   +1 more source

AI Agent for Hydrologic Modeling: Definition, Development, and Application

open access: yesGeophysical Research Letters, Volume 53, Issue 13, 16 July 2026.
Abstract Hydrologic modeling supports flood forecasting and water resources management, but complex preprocessing, parameterization, and configuration limit broader use. This study defines a six‐level framework for artificial intelligence (AI)‐agent autonomy in hydrologic modeling and develops a Level‐4 agent, powered by large language models, that ...
Songkun Yan   +11 more
wiley   +1 more source

An Atmosphere–Land–Ocean Coupled Global NWP System: Performance Evaluation for Potential Operational Use

open access: yesGeophysical Research Letters, Volume 53, Issue 13, 16 July 2026.
Abstract This study assesses the influence of ocean–atmosphere coupling on short‐ and medium‐range forecasts of the July 2024 Indian summer monsoon using the newly configured coupled NCMRWF Unified Model (C‐NCUM). Forecasts are evaluated against the operational atmosphere–land model (NCUM) using GPM rainfall, OSTIA SSTs, and reanalysis‐derived moisture
Sumit Kumar   +7 more
wiley   +1 more source

The Observed Circumpolar Decline of Antarctic Bottom Water Volume

open access: yesGeophysical Research Letters, Volume 53, Issue 13, 16 July 2026.
Abstract Antarctic Bottom Water (AABW) formation is a key component of the global overturning circulation, ventilating the abyssal ocean and sequestering heat and carbon. Using a new reconstruction from the SatGEM‐2 monthly‐varying gravest empirical mode climatology, a continuous, observation‐driven circumpolar record of AABW variability is presented ...
James Wyatt   +4 more
wiley   +1 more source

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