Results 201 to 210 of about 82,924 (288)

Hydrochemical Characteristics of Four Retreating Glacier Forefields Off the Coast of Admiralty Bay (King George Island, Maritime Antarctic): Diverse Sources of Metals and Metalloids

open access: yesLand Degradation &Development, Volume 37, Issue 4, Page 1330-1352, 28 February 2026.
ABSTRACT This study examines the impact of geological, marine and anthropogenic sources on metal and metalloid concentrations in the forefields of four glaciers (Ecology, Sphinx, Tower and Windy) on King George Island, Antarctic. Water samples were collected at the beginning and end of the hydrological season (austral summer, December 2021 to February ...
Joanna Potapowicz   +8 more
wiley   +1 more source

Quantifying High‐Frequency Migrating Tides in the Atmosphere of Mars With Observations From EMIRS, Curiosity and Perseverance

open access: yesGeophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract Thermal tides are global oscillations driven by periodic solar heating that strongly influence circulation and vertical coupling in the Martian atmosphere. Previous studies have focused on the first and second migrating harmonics, while recent work has revealed higher‐frequency harmonics in surface pressure records.
Aishwarya Kumar   +3 more
wiley   +1 more source

Semi‐Volatile Organic Partitioning Improves Simulation of Biomass Burning Aerosol Mixing State Evolution

open access: yesGeophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract Biomass burning aerosols significantly contribute to atmospheric composition and radiative forcing, with black carbon (BC) mixing states critically influencing optical properties and climate impacts. Recent field observations reveal a systematic three‐phase evolution in BC coating thickness during plume aging: rapid initial growth, quasi ...
Chloe Yuchao Gao   +3 more
wiley   +1 more source

Nearby Sites Show Similar Upwind Sources and Differing Semivolatile Concentrations in Coastal Aerosol Particles. [PDF]

open access: yesACS EST Air
Han S   +11 more
europepmc   +1 more source

Global Desert Variations During 1985–2024 Associated With Effective Water Availability

open access: yesGeophysical Research Letters, Volume 53, Issue 4, 28 February 2026.
Abstract Under accelerating climate change, variations in global desert area remain uncertain, with estimates differing by more than a factor of two. Here, we present the first 40‐year global mapping of desert area changes at 30 m resolution using Landsat imagery, achieving a classification accuracy of 92%.
Huijuan Wu   +4 more
wiley   +1 more source

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