Results 171 to 180 of about 4,464 (225)

Significant Reduction in Ethane Emissions in the Denver‐Julesburg Basin From 2015 to 2021 From Oil and Natural Gas Operations

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 17, 16 September 2026.
Abstract Top‐down studies of methane (CH4) emissions often use the average ethane‐to‐methane (C2/C1) ratio of wellhead gas in a basin to attribute emissions to thermogenic or biogenic sources. Biogenic CH4 sources (ruminants, wetlands, landfills, and other methanogenic sources) do not co‐produce ethane (C2H6); the presence of C2H6 indicates a ...
Mercy C. Ngulat   +10 more
wiley   +1 more source

Escalating Uncertainty Under Increasing Risk in Compound Heat and Precipitation Extremes

open access: yesGeophysical Research Letters, Volume 53, Issue 17, 16 September 2026.
Abstract Projection uncertainty fundamentally constrains climate adaptation, yet its evolution in compound heat and precipitation extremes (CHPE) remains poorly understood. Here we quantify CHPE uncertainty using 14 CMIP6 models and two single‐model initial‐condition large ensembles.
Zhiling Zhou   +3 more
wiley   +1 more source

Cooking Impacts PM1 in Suburban New York, With Implications for Respiratory Deposition

open access: yesJournal of Geophysical Research: Atmospheres, Volume 131, Issue 17, 16 September 2026.
Abstract Sub–micron particulate matter (PM1) in the New York (NY) metropolitan area impacts air quality and human health. We characterized refractory black carbon (BC) and non–refractory (NR) PM1 in Mineola, NY during winter 2024 and NR‐PM1 during summer 2023.
Adam De Groodt   +9 more
wiley   +1 more source

Phase Field Failure Modeling: Brittle‐Ductile Dual‐Phase Microstructures under Compressive Loading

open access: yesAdvanced Engineering Materials, Volume 28, Issue 17, 9 September 2026.
The approach by Amor and the approach by Miehe and Zhang for asymmetric damage behavior in the phase field method for fracture are compared regarding their fitness for microcrack‐based failure modeling. The comparison is performed for the case of a dual‐phase microstructure with a brittle and a ductile constituent.
Jakob Huber, Jan Torgersen, Ewald Werner
wiley   +1 more source

Waste-to-Biofuel Conversion: Hydrodeoxygenation of Frying Oil over NiMoS<sub>2</sub>/Al<sub>2</sub>O<sub>3</sub> for the Production of Renewable Hydrocarbons. [PDF]

open access: yesACS Omega
Ferreira LEM   +8 more
europepmc   +1 more source

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