Results 31 to 40 of about 2,738,755 (297)

Use of UAVs and Deep Learning for Beach Litter Monitoring

Electronics, 2022
Stranded beach litter is a ubiquitous issue. Manual monitoring and retrieval can be cost and labour intensive. Therefore, automatic litter monitoring and retrieval is an essential mitigation strategy. In this paper, we present important foundational blocks that can be expanded into an autonomous monitoring-and-retrieval pipeline based on drone surveys ...
Roland Pfeiffer, Gianluca Valentino, Sebastiano D’Amico, Luca Piroddi, Luciano Galone, Stefano Calleja, Reuben A. Farrugia, Emanuele Colica   +7 more
openaire   +2 more sources

Using UAV-SfM to monitor the dynamic evolution of a beach on Penghu Islands

Terrestrial, Atmospheric and Oceanic Sciences, 2020
This paper explores the combination of unmanned aerial vehicle (UAV) photogrammetry and an e-GNSS survey to investigate the short-term geomorphic change and dynamic evolution of a beach system in 2015.
Cheng-Hao Lu Shyh-Jeng Chyi
doaj   +1 more source

Beach development, sediment budget and coastal erosion at Holderness. [PDF]

, 1985
Complex relationships exist among offshore conditions, beach sediment transport and morphology, and till cliff erosion. Modelled and measured sediment transport rates established for the Holderness coast are similar to those on comparable coasts ...
Mason, Susan Jane
core   +6 more sources

Assessing Satellite-Derived Shoreline Detection on a Mesotidal Dissipative Beach

Remote Sensing
The accuracy and robustness of the shoreline definition from satellite imagery on different coastal types are crucial to adequately characterising beach morphology and dynamics.
Carlos Cabezas-Rabadán, Jaime Almonacid-Caballer, Javier Benavente, Bruno Castelle, Laura Del Río, Juan Montes, Jesús Palomar-Vázquez, Josep E. Pardo-Pascual   +7 more
doaj   +1 more source

Non-invasive continuous blood pressure monitoring (ClearSight™ system) during shoulder surgery in the beach chair position: a prospective self-controlled study

BMC Anesthesiology, 2020
Background The beach chair position that is commonly used in shoulder surgery is associated with relative hypovolemia, which leads to a reduction in arterial blood pressure.
Konrad Chachula, Florian Lieb, Florian Hess, Joellen Welter, Nicole Graf, Alexander Dullenkopf   +5 more
doaj   +1 more source

Global Review of Beach Debris Monitoring and Future Recommendations [PDF]

Environmental Science & Technology, 2019
Marine debris is distributed worldwide and constitutes an increasing threat to our environment. The exponential increase in the level of plastic debris raises numerous concerns and has led to an intensification in plastic monitoring and research. However, global spatial and temporal patterns and knowledge gaps in debris distribution, both on land and ...
Catarina Serra-Gonçalves, Jennifer L. Lavers, Alexander L. Bond   +2 more
openaire   +3 more sources

Human-Induced Hydrological Connectivity: Impacts of Footpaths on Beach Wrack Transport in a Frequently Visited Baltic Coastal Wetland

Frontiers in Marine Science, 2022
Coastal wetlands depend on vertical accretion to keep up with sea level rise in cases where embankment restricts accommodation space and landward migration.
Svenja Karstens, Svenja Karstens, Joshua Kiesel, Lennart Petersen, Kilian Etter, Jens Schneider von Deimling, Athanasios T. Vafeidis, Felix Gross, Felix Gross   +8 more
doaj   +1 more source

Dry Sand Quality: The Case Study of a Touristic Beach from Rio de Janeiro, Brazil

Fronteiras: Journal of Social, Technological and Environmental Science, 2020
Coastal contamination became a growing public health concern. Enteric illness outbreaks, and the occurrence of dermatitis and mycoses during the summer season in leisure areas, were usually related to seawater pollution.
Natascha Krepsky, Karine Peixoto Nunes, Luiz Affonso de Paula Junior, Viviane Almeida de Andrade Lino, Clarissa Araujo Costa Naveira e Silva, Iracema Prestes Brandão, Fernanda Silva dos Santos   +6 more
doaj   +1 more source

Atmospheric Deposition of Phosphorus to the Everglades: Concepts, Constraints, and Published Deposition Rates for Ecosystem Management

The Scientific World Journal, 2002
This paper summarizes concepts underlying the atmospheric input of phosphorus (P) to ecosystems, published rates of P deposition, measurement methods, and approaches to future monitoring and research.
Garth W. Redfield
doaj   +1 more source

A Comparison of Beach Nourishment Methodology and Performance at Two Fringing Reef Beaches in Waikiki (Hawaii, USA) and Cadiz (SW Spain)

Journal of Marine Science and Engineering, 2020
Fringing reefs have significant impacts on beach dynamics, yet there is little research on how they should be considered in beach nourishment design, monitoring, and conservation works.
Juan J. Muñoz-Perez, Shari L. Gallop, Luis J. Moreno   +2 more
doaj   +1 more source