Results 171 to 180 of about 7,657 (248)

Jupiter's Auroral Ionosphere: Hybrid Monte Carlo, Auroral Spectrum and Conductivity Modeling

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 6, June 2026.
Abstract We present a new model of auroral precipitation and associated phenomena at Jupiter, called the Jupiter Auroral Ionosphere Code (JAIC). The hybrid model follows the primary electron population using a Monte Carlo code that runs on a GPU, and computes the contribution of the secondaries using a two‐stream approximation.
J. D. Nichols
wiley   +1 more source

Unprecedented 2024 East Antarctic winter heatwave driven by polar vortex weakening and amplified by anthropogenic warming. [PDF]

open access: yesNPJ Clim Atmos Sci
Tang H   +12 more
europepmc   +1 more source

HIWIND Observation of Daytime Thermospheric Winds Over New Zealand and Comparison With Model Simulation

open access: yesJournal of Geophysical Research: Space Physics, Volume 131, Issue 6, June 2026.
Abstract A balloon borne Fabry Perot interferometer called High altitude Interferometer WIND observation (HIWIND) flew from Wanaka, New Zealand (44.69S, 169.14E) in April 2025 to observe mid‐latitude thermospheric winds in the southern hemisphere for the first time.
Qian Wu, Haonan Wu, Wenbin Wang
wiley   +1 more source

Investigating Technology and Raw Materials Source of the Archaic and Classical Architectural Terracottas From the Athenaion in Castro (Apulia, Italy)

open access: yesArchaeometry, Volume 68, Issue 3, Page 512-526, June 2026.
ABSTRACT Since 2000, archaeological excavations have brought to light the sanctuary of Athena in Castro (Apulia, Italy), including terracotta roofs dated between the 6th and 4th centuries bce. Based on their morphological and stylistic features, it is suggested that the terracotta items were manufactured in the Greek colony of Taras (modern Taranto ...
M. M. N. Franceschini   +7 more
wiley   +1 more source

Large Particle Size and Thick Coating Influence Pyrocumulonimbus Smoke Radiative Forcing and Stratospheric Warming: Insights From the 2019–2020 Australian Megafires

open access: yesGeophysical Research Letters, Volume 53, Issue 10, 28 May 2026.
Abstract Large particle size and thick coatings have been detected in pyrocumulonimbus (pyroCb) smoke injected into the lower stratosphere, enhancing both extinction and absorption of smoke. Here, we quantified how particle size and coating, via internal mixing of non‐absorbing species on black carbon, influence pyroCb smoke radiative forcing and ...
Xi Chen   +6 more
wiley   +1 more source

On the Role of Dynamical Uncertainties in the Spread of Arctic Ozone Recovery Projections

open access: yesGeophysical Research Letters, Volume 53, Issue 10, 28 May 2026.
Abstract Arctic ozone is projected to recover over the 21st century in compliance with the Montreal Protocol. Chemistry‐climate models show a large spread in recovery rates and future changes in key dynamical features such as the polar vortex and the residual circulation.
Samuel Benito‐Barca   +15 more
wiley   +1 more source

Tropical Cyclones Drive Enhanced Inorganic Iodine in the Mid‐Latitude Upper Troposphere

open access: yesGeophysical Research Letters, Volume 53, Issue 10, 28 May 2026.
Abstract Halogens deplete tropospheric and stratospheric ozone, but the role of iodine is still elusive. Atmospheric iodine mainly originates from marine inorganic (I2, HOI) and organic (CH3I, CH2I2, CH2IBr, and CH2ICl) emissions. We report on airborne measurements of atmospheric iodine oxide (IO) concentrations up to 15 km altitude from two flights of
Karolin Voss   +11 more
wiley   +1 more source

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