Results 71 to 80 of about 18,371 (226)
Marine Mammal Science, Volume 42, Issue 1, January 2026.ABSTRACT Although the eastern North Pacific gray whale (Eschrichtius robustus) population has recovered from population declines associated with whaling, they are closely monitored, especially in association with Unusual Mortality Events. Metrics to improve assessment of the health of individual animals, when averaged, are valuable to inform monitoring
Kira A. Telford +7 more
wiley +1 more source
Journal of Advanced Transportation, Volume 2026, Issue 1, 2026.Efficient timing of aircraft docking and push‐back operations is crucial for enhancing the efficiency and reliability of civil aviation operations. Traditional methods suffer from significant data loss, high human involvement, and low accuracy, which are prone to inaccuracies that can disrupt airport scheduling and resource allocation.
Yuandi Zhao +4 more
wiley +1 more source
DronesDrones have experienced rapid technological advancements, leading to the proliferation of small, low-cost, remotely controlled, and autonomous aerial vehicles with diverse applications, from package delivery to personal transportation.
Dinh-Dung Nguyen, Quoc-Dat Dang
doaj +1 more source
, 1971 The organization, operations, functions, and objectives of NASA are outlined. Data include manned space flights, satellite weather observations, orbiting radio relays, and new views of the earth and beyond the earth as observed by satellites.
core +1 more source
A Scalable Low-Cost-UAV Traffic Network (uNet)
, 2016 This article proposes a new Unmanned Aerial Vehicle (UAV) operation paradigm to enable a large number of relatively low-cost UAVs to fly beyond-line-of-sight without costly sensing and communication systems or substantial human intervention in individual
Devasia, Santosh, Lee, Alexander
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Initial Approach to Collect Small Unmanned Aircraft System Off-Nominal Operational Situations Data [PDF]
NASA is developing the Unmanned Aircraft System Traffic Management research platform to safely integrate small unmanned aircraft operations in large-scale at low-altitudes.
Do, Minh +6 more
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Ecology and Evolution, Volume 15, Issue 12, December 2025.Understanding how animals respond to anthropogenic disturbance is essential for predicting the impacts of human activity on wildlife behavior and persistence. As noise increasingly alters sensory landscapes across ecosystems, it can influence how animals detect threats and assess risk.
Kaitlyn Taylor +4 more
wiley +1 more source
Advancing the Standards for Unmanned Air System Communications, Navigation and Surveillance [PDF]
Under NASA program NNA16BD84C, new architectures were identified and developed for supporting reliable and secure Communications, Navigation and Surveillance (CNS) needs for Unmanned Air Systems (UAS) operating in both controlled and uncontrolled ...
Jain, Raj +4 more
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Networking architectures and protocols for smart city systems
Journal of Internet Services and Applications, 2018 The smart city model is used by many organizations for large cities around the world to significantly enhance and improve the quality of life of the inhabitants, improve the utilization of city resources, and reduce operational costs. This model includes
Imad Jawhar +2 more
doaj +1 more source
Space Weather, Volume 23, Issue 11, November 2025.Abstract Satellite navigation systems are vulnerable to space weather disturbances, which can degrade positioning accuracy and potentially increase the collision risk of unmanned aerial vehicles (UAVs). This study investigates the influence of navigation errors caused by ionospheric scintillation on UAV encounter scenarios. Two route configurations are
Dabin Xue +4 more
wiley +1 more source