Results 151 to 160 of about 39,896 (238)

Underestimation of Planetary Contraction Due To Obscuration by Surface Roughness: The Case of Mercury

open access: yesGeophysical Research Letters, Volume 53, Issue 17, 16 September 2026.
Abstract Estimating Mercury's radial contraction is key to understanding the planet's geodynamic evolution. Contraction has been inferred from mapped shortening structures, whose heterogeneous distribution contradicts the isotropic contraction expected from global cooling.
G. Nishiyama   +6 more
wiley   +1 more source

First Empirical Assessment of Ice Content From a Himalayan Rock Glacier

open access: yesGeophysical Research Letters, Volume 53, Issue 17, 16 September 2026.
Abstract Climate warming and degradation of glaciers and permafrost in High Mountain Asia is threatening the sustainability of the region's natural “water towers” and allied ecosystems and infrastructure. Approximately 25,000 Himalayan rock glaciers exist and, being more resilient to climatic change than glaciers, they represent important freshwater ...
Matthew W. Peacey   +7 more
wiley   +1 more source

Winter in the coastal ocean: Seasonal freezing causes seafloor expansion and contraction. [PDF]

open access: yesSci Adv
Normandeau A   +16 more
europepmc   +1 more source

Reconnaissance study of watershed and cave sediment sources discharging from a karst spring, Iowa

open access: yesAgrosystems, Geosciences &Environment, Volume 9, Issue 3, September 2026.
Abstract Springs discharging from karst landscapes provide sustainable flows to natural ecosystems and support productive fish hatcheries but sediment discharging from springs threatens the long‐term sustainability of hatcheries. In this study, we conducted a reconnaissance study to evaluate watershed and cave sediment sources discharging to Siewers ...
Keith E. Schilling   +4 more
wiley   +1 more source

Organic‐matter sources and stability in kettle‐hole sediments: A combined thermogravimetric and isotopic approach

open access: yesAgrosystems, Geosciences &Environment, Volume 9, Issue 3, September 2026.
Abstract Kettle‐holes are small but biogeochemically active landscape elements that integrate terrestrial inputs and influence carbon and nitrogen cycling. However, the stability and sources of organic matter (OM) in kettle‐hole sediments remain poorly understood.
Safdar Bashir   +2 more
wiley   +1 more source

Soil moisture regime and region effects on near‐surface soil chemical properties in Alfisols under native tallgrass prairie in Arkansas

open access: yesAgrosystems, Geosciences &Environment, Volume 9, Issue 3, September 2026.
Abstract Tallgrass prairies provide many crucial ecosystem services, including nutrient cycling and storage, organism habitat, and soil and water conservation. However, tallgrass prairies are an endangered ecosystem. Understanding soil nutrient supplies over time in native tallgrass prairies is critical for quantifying the success of restoration ...
Sydney Talley   +2 more
wiley   +1 more source

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