Results 81 to 90 of about 2,653,958 (217)

A Study on the Establishment of Rules of Safe Navigation and Management for Gyeongin Ara Waterway

open access: yes, 2011
Gyeongin Ara Waterway will be open on Oct., 2011, Which is the first inland artificial waterway constructed in Korea. There have been arguments about the environmental issues and economic effectiveness, however, it`s now time to focus on the safety of ...
Giw-Ho Yun, Jin-kwon Kim
semanticscholar   +1 more source

Environmental history of Lake Mariout at the ‘Marea’/Philoxenite archeological site, northern Egypt, during the Hellenistic–early Islamic periods as seen by fossil diatoms

open access: yesJournal of Quaternary Science, Volume 40, Issue 2, Page 287-302, February 2025.
ABSTRACT Diatom analysis of sediments obtained from five cores drilled in Lake Mariout and the ‘Marea’/Philoxenite archeological site southwest of Alexandria, Egypt, allows us to reconstruct the lake's environmental history during the Hellenistic–early Islamic periods.
ABDELFATTAH A. Zalat   +3 more
wiley   +1 more source

Implications of climate‐change‐induced stressors and water management for sterlet populations in the Middle and Upper River Danube

open access: yesRiver Research and Applications, Volume 41, Issue 2, Page 448-465, February 2025.
Abstract Sturgeons are a group of iconic rheophilic fish whose populations worldwide are currently undergoing significant declines. The study investigates the impact of climate change and anthropogenic activities, particularly the Gabčíkovo barrage system, on the survival and distribution of the sterlet, the last surviving sturgeon species in the ...
Martin Šindler   +6 more
wiley   +1 more source

Connecting Harbours. A comparison of traffic networks across ancient and medieval Europe [PDF]

open access: yesarXiv, 2016
Ancient and medieval harbours connected via navigable and terrestrial routes could be interpreted as elements of complex traffic networks. Based on evidence from three projects in Priority Programme 1630 (Fossa Carolina, Inland harbours in Central Europe and Byzantine harbours on the Balkan coasts) we present a pioneer study to apply concepts and tools
arxiv  

An Average of the Human Ear Canal: Recovering Acoustical Properties via Shape Analysis [PDF]

open access: yesarXiv, 2018
Humans are highly dependent on the ability to process audio in order to interact through conversation and navigate from sound. For this, the shape of the ear acts as a mechanical audio filter. The anatomy of the outer human ear canal to approximately 15-20 mm beyond the Tragus is well described because of its importance for customized hearing aid ...
arxiv  

Industry 4.0 Technologies Applied to Inland Waterway Transport: Systematic Literature Review. [PDF]

open access: yesSensors (Basel), 2022
Restrepo-Arias JF   +4 more
europepmc   +1 more source

Analysis of vessel traffic flow characteristics in inland restricted waterways using multi-source data [PDF]

open access: yesarXiv
To effectively manage vessel traffic and alleviate congestion on busy inland waterways, a comprehensive understanding of vessel traffic flow characteristics is crucial. However, limited data availability has resulted in minimal research on the traffic flow characteristics of inland waterway vessels.
arxiv  

Visual Trajectory Prediction of Vessels for Inland Navigation [PDF]

open access: yesarXiv
The future of inland navigation increasingly relies on autonomous systems and remote operations, emphasizing the need for accurate vessel trajectory prediction. This study addresses the challenges of video-based vessel tracking and prediction by integrating advanced object detection methods, Kalman filters, and spline-based interpolation.
arxiv  

Positioning aiding using LiDAR in GPS signal loss scenarios [PDF]

open access: yesarXiv, 2019
In the presented scenario, an autonomous surface vehicle (ASV) equipped with a laser scanner navigates on a inland pathway surrounded and crossed by man-made structures such as bridges and locks. {GPS} receiver present on board experiences signal loss and multipath reflections in situation when the view of the sky is obscured by a bridge or tall ...
arxiv  

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