Results 211 to 220 of about 111,164 (268)

Incorporating W‐Band Doppler Velocity Signal Simulator Into COSP2: Model Evaluation Against Ground‐Based Radar Measurement

open access: yesJournal of Advances in Modeling Earth Systems, Volume 18, Issue 2, February 2026.
Abstract A new signal simulator for Doppler velocity, derived for W‐band cloud profiling radar onboard EarthCARE, is developed and implemented into the Cloud Feedback Model Intercomparison Project Observation Simulator Package version 2 (COSP2). The simulator converts the vertical motion of hydrometeors and cumulus mass flux in global climate models ...
Yuhi Nakamura   +2 more
wiley   +1 more source

Thylakoids reorganization enables driving photosynthesis under far‐red light in the microalga Nannochloropsis gaditana

open access: yesNew Phytologist, Volume 249, Issue 4, Page 1785-1799, February 2026.
Summary Oxygenic photosynthesis is driven by visible light in most photosynthetic organisms, with exceptions in a few cyanobacteria and microalgae species, which can extend the light absorption to far‐red (FR) wavelengths, by synthesizing new pigments or shifting the antennae absorption range beyond 700 nm.
Elisabetta Liistro   +7 more
wiley   +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

A Helicity‐Based Analysis of the Stratospheric Polar Vortex Evolution

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 2, 28 January 2026.
Abstract The Arctic atmosphere in the winter months of the Northern Hemisphere is influenced by a stratospheric polar vortex, characterized by strong westerly circumpolar winds and extremely low temperatures. These vortices impact surface weather in various ways, and their dynamics may be affected by recent anthropogenic climate change.
Niklas Dusch, Victor Avsarkisov
wiley   +1 more source

Impacts of Atmospheric Rivers in Central Greenland: Snowfall, Clouds, and Atmospheric State

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 2, 28 January 2026.
Abstract Atmospheric rivers (ARs) are long bands of strong horizontal water vapor transport responsible for over 90% of total integrated vapor transport (IVT) in extratropical and polar regions. Using a 12‐year record (2010–2022) of ground‐based remote sensing, radiosonde, snow stake, and reanalysis data from Summit Station, Greenland, we quantify the ...
A. E. Wedum   +5 more
wiley   +1 more source

Cluster Formation and Phase Transitions Induced by Vibrational Strong Coupling. [PDF]

open access: yesAngew Chem Int Ed Engl
Sandeep K   +9 more
europepmc   +1 more source

Experimental Analysis and Physics‐Based Analytical Model on Twisted and Coiled Artificial Muscles

open access: yesAdvanced Engineering Materials, Volume 28, Issue 2, 21 January 2026.
Twisted and coiled artificial muscles made from silver‐coated nylon fibers are investigated through experiments and analytical modeling. The actuators achieve contractions up to 19.3% and specific work of 8 kJ kg−1, though efficiency remains limited (≈0.15%) by thermal losses.
Salvatore Garofalo   +3 more
wiley   +1 more source

A Review of Multiparameter Fiber-Optic Distributed Sensing Techniques for Simultaneous Measurement of Temperature, Strain, and Environmental Effects. [PDF]

open access: yesSensors (Basel)
Turov A   +9 more
europepmc   +1 more source

The Importance of an Ensemble Approach for Modeling Aerosol‐Convection Interactions

open access: yesGeophysical Research Letters, Volume 53, Issue 1, 16 January 2026.
Abstract Aerosol‐convection interactions modulate cloud microphysics, thermodynamics, and updraft intensity, contributing to climate‐scale aerosol‐radiative forcing. However, quantifying aerosol indirect effects in mixed‐phase deep convection remains challenging due to uncertainties in parameterized physics and initial conditions driving nonlinear ...
Milind Sharma   +4 more
wiley   +1 more source

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