Results 221 to 230 of about 50,990 (290)

Weather Regime Diversity, Transitions, and Trends Using Hexagonal Self‐Organizing Maps

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 8, 28 April 2026.
Abstract Persistent atmospheric circulation patterns, or weather regimes, strongly modulate surface weather and extremes, yet their internal diversity, transitions, and trends remain less understood for North America. We apply a self‐organizing map (SOM) framework to represent North American weather regimes using daily 500‐hPa geopotential height ...
Luke Wichrowski   +2 more
wiley   +1 more source

Reduced Spring Extratropical Cyclone Activity Over the East Asian Subtropical Region has Suppressed Regional Precipitation From 1979 to 2023

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 8, 28 April 2026.
Abstract Based on the European Centre for Medium‐Range Weather Forecasts (ECMWF) Reanalysis version 5 (ERA5) six‐hourly reanalysis data set and objective identification and tracking methods for extratropical cyclones (ECs), this study analyzes the characteristics of ECs over the East Asian subtropical region (110°–140°E, 25°–35°N) encompassing eastern ...
Xiaopeng Chen   +4 more
wiley   +1 more source

Dynamically‐Informed Extreme Event Attribution Using Circulation Imprints

open access: yesGeophysical Research Letters, Volume 53, Issue 7, 16 April 2026.
Abstract We present a novel extreme event attribution approach, isolating dynamical from other contributions to changing extreme event probability. Event‐specific, multivariate circulation imprints are linked to impact‐relevant hazard indices in a flexible framework which we demonstrate for three recent high‐impact extreme events: the 2025 Los Angeles ...
Joshua Oldham‐Dorrington   +1 more
wiley   +1 more source

10,000 years of centennially-resolved climate and sea-level change archived in Svalbard beach-ridge system. [PDF]

open access: yesSci Rep
Strzelecki MC   +5 more
europepmc   +1 more source

Characterizing the Unique Chemical Imprint of On‐Axis, Lower‐Temperature Hydrothermal Flow to the Deep Ocean (Southern East Pacific Rise, 16.5°–18.0°S)

open access: yesGeophysical Research Letters, Volume 53, Issue 7, 16 April 2026.
Abstract In addition to high‐temperature vents, lower‐temperature flow (LTF) (<300°C) is abundant along mid‐ocean ridges and contributes globally‐important fluxes of heat and water along with largely‐unconstrained geochemical influences on the ocean. We examined the impact of on‐axis LTF on the chemical composition of the overlying water column (<40 m ...
Laura E. Moore   +11 more
wiley   +1 more source

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