Results 221 to 230 of about 937,585 (275)
The Journal of Wildlife Management, EarlyView.We tested whether autonomous recording units (ARUs) could be used to predict breeding status from singing rates in a boreal songbird. We found that 79% of observed proportions of birds in each breeding status were within the 95% credible interval of model‐predicted proportions, suggesting that ARUs may provide an efficient tool to monitor avian ...
Emily J. Upham‐Mills +5 more
wiley +1 more source
Pre‐aged organic matter dominates organic carbon burial in a major perialpine lake system
Limnology and Oceanography, EarlyView.Abstract Organic carbon (OC) burial in lake sediments is comparable to that in marine sediments globally. However, climatic and carbon cycle implications depend on the origin of buried OC. This study utilizes high‐resolution radiocarbon (14C) measurements in combination with stable carbon isotopes (13C) and total organic carbon/total nitrogen ratios to
Benedict V. A. Mittelbach +8 more
wiley +1 more source
Limnology and Oceanography Letters, EarlyView.Abstract Gas transfer velocity (k600$$ {\mathrm{k}}_{600} $$) controls gas fluxes between aquatic ecosystems and the atmosphere. In streams, k600$$ {\mathrm{k}}_{600} $$ is controlled by turbulence and, thus, local hydrology and geomorphology. Resultantly, variability in k600$$ {\mathrm{k}}_{600} $$ can be large and modeling k600$$ {\mathrm{k}}_{600} $$
Kelly S. Aho +6 more
wiley +1 more source
Movement Disorders, EarlyView.Abstract Background The substantia nigra (SN) and locus coeruleus (LC) are among the first brain regions to degenerate in Parkinson's disease (PD). This has important implications for early cognitive deficits because these nuclei are sources of ascending neuromodulators (i.e., dopamine and noradrenaline) that support various cognitive functions such as
Sophie Sun +6 more
wiley +1 more source
Discovery, design, and engineering of enzymes based on molecular retrobiosynthesis
mLife, EarlyView.Abstract Biosynthesis—a process utilizing biological systems to synthesize chemical compounds—has emerged as a revolutionary solution to 21st‐century challenges due to its environmental sustainability, scalability, and high stereoselectivity and regioselectivity.
Ancheng Chen +5 more
wiley +1 more source
Mathematical Methods in the Applied Sciences, EarlyView.We develop a full randomization of the classical hyper‐logistic growth model by obtaining closed‐form expressions for relevant quantities of interest, such as the first probability density function of its solution, the time until a given fixed population is reached, and the population at the inflection point.
Juan Carlos Cortés +2 more
wiley +1 more source
TagGen: Diffusion‐based generative model for cardiac MR tagging super resolution
Magnetic Resonance in Medicine, EarlyView.Abstract Purpose The aim of the work is to develop a cascaded diffusion‐based super‐resolution model for low‐resolution (LR) MR tagging acquisitions, which is integrated with parallel imaging to achieve highly accelerated MR tagging while enhancing the tag grid quality of low‐resolution images.
Changyu Sun +4 more
wiley +1 more source
Mission Abort Policy Considering Imperfect Alarms and Two Abort Options
Naval Research Logistics (NRL), EarlyView.ABSTRACT A mission may be aborted during operation to increase the likelihood of system survival when an alarm system indicates that the system has entered a defect state. However, due to measurement and environmental noise, missed and false alarms frequently occur during online condition monitoring, complicating the decision‐making process for mission
Jiawen Hu, Piao Chen
wiley +1 more source
PLANTS, PEOPLE, PLANET, EarlyView.The global carbon budget provides annual updates to society on the main cause of climate change—CO2 emissions—and quantifies carbon‐uptake ecosystem services provisioned by the biosphere. We show that more consistent assumptions in the estimates of land‐atmosphere carbon exchange results in a global carbon budget that is imbalanced (gains do not equal ...
Anthony P. Walker +7 more
wiley +1 more source
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On the adaptive control of a partially observable Markov decision process
Proceedings of the 27th IEEE Conference on Decision and Control, 2003The study represents the initial stages of a program to address the adaptive control of partially observable Markov decision processes (POMDP) with finite state, action, and observation spaces. The authors review the results on the control of POMPD with known parameters and, in particular, the results on the control of quality control/machine ...
Ari Arapostathis +2 more
openaire +3 more sources