Results 191 to 200 of about 35,778 (281)

Pattern Recognition of West African Monsoon Extreme Rainfall Events Using Convolutional Neural Networks

open access: yesGeophysical Research Letters, Volume 53, Issue 12, 28 June 2026.
Abstract Accurate prediction of extreme rainfall and dry events remains a major challenge in West Africa due to the complex and non‐linear dynamics of the monsoon system, which involve interactions among local convection, large‐scale circulation, ocean‐atmosphere coupling, and intra‐seasonal variations.
Alain T. Tamoffo   +4 more
wiley   +1 more source

Enhanced Interdecadal Variability in the WACE and Its Oceanic Drivers

open access: yesGeophysical Research Letters, Volume 53, Issue 11, 16 June 2026.
Abstract As the Earth warms, the “warm Arctic–cold Eurasia” (WACE) has changed noticeably, with enhanced interdecadal variability as the Arctic heats up, particularly over the Barents–Kara Sea region. Before the early 1980s, when Arctic warming was relatively weak, WACE was mainly influenced by Pacific temperature patterns (the Pacific Decadal ...
Yongyue Luo   +6 more
wiley   +1 more source

Structural insights into the catalytic mechanism of ammonia monooxygenase. [PDF]

open access: yesNat Commun
Yang X   +6 more
europepmc   +1 more source

Seasonal Prediction Skill Contrasts of Subtropical North Atlantic Sea Surface Temperature Anomalies Under Different AMV Phases

open access: yesGeophysical Research Letters, Volume 53, Issue 11, 16 June 2026.
Abstract Atlantic multidecadal variability (AMV) exerts profound climatic influences on both local and remote regions. Recent studies show that AMV can significantly modulate the El Niño–Southern Oscillation (ENSO) and its teleconnections. However, few studies have examined AMV impacts on seasonal prediction skill.
Bingjiang Wei, Xiaoqin Yan, Youmin Tang
wiley   +1 more source

Tropical Pacific Variability Drives Quasi‐Decadal Sea Ice Fluctuations Off East Greenland

open access: yesGeophysical Research Letters, Volume 53, Issue 11, 16 June 2026.
Abstract The sea ice off East Greenland exhibits pronounced quasi‐decadal fluctuations superimposed on its long‐term decline. Here we show that this low‐frequency variability is tightly phase‐coherent with tropical Pacific quasi‐decadal variability (TPQD), revealing a teleconnection from the tropics to the Arctic.
Rongrong Xu   +5 more
wiley   +1 more source

Racemisation of Amino Acids: From Synthetic Challenge to Biological Significance

open access: yesChemBioChem, Volume 27, Issue 11, 15 June 2026.
Racemisation, once considered an undesirable synthetic side reaction, also occurs naturally in amino acids and influences biological processes. Evidence links stereochemical conversion to ageing, protein turnover, and cellular development. This review examines mechanisms, control strategies in synthesis, applications and implications in physiology ...
Othman Al Musaimi
wiley   +1 more source

Transcatheter ventricular septal defect closure in children: ten-year experience with multiple devices and long-term outcomes. [PDF]

open access: yesEgypt Heart J
Vuran G   +9 more
europepmc   +1 more source

Synthesis and Evaluation of Novel Ruthenium on Dysprosium‐Praseodymium Oxide Catalysts for Ammonia Synthesis and Decomposition in the Hydrogen Energy Vector Transition

open access: yesChemSusChem, Volume 19, Issue 11, 15 June 2026.
Adding dysprosium to a praseodymium oxide support led to an increase in ammonia decomposition activity, ammonia synthesis activity, improved catalyst stability, and improved electron transfer to the ruthenium. Currently, there is a push to reduce reliance on hydrocarbon fuels for energy storage by using hydrogen carriers.
Samuel M. Drummond   +6 more
wiley   +1 more source

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