Results 31 to 40 of about 34,913 (244)
Compression of Multibeam Echosounders Bathymetry and Water Column Data
Remote Sensing, 2022 Over the past decade, Multibeam Echosounders (MBES) have become one of the most used techniques in sea exploration. Modern MBES are capable of acquiring both bathymetric information on the seafloor and the reflectivity of the seafloor and water column.
Aniol Martí +6 more
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Visualisation of Multibeam Echosounder Measurement Data [PDF]
, 2013 During a sea survey session performed using a multibeam echosounder millions of measurement points are generated. Sea surveys should be carried out in such a way, that the maximum accuracy of created seabed models (DTM) is achieved and the standards specified by the IHO S-44 guidelines are met. One of the requirements is so called full sea floor search,
Wojciech Maleika, Piotr Czapiewski
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Definition and application of a quality estimator for multibeam echosounders [PDF]
2012 Oceans - Yeosu, 2012 For modern multibeam echosounders, the use of a robust and reliable quality estimator associated with each sounding is an absolute necessity. Indeed, due to the large volume of data acquired, a lot of time is lost, both during the survey and the post-processing. This is a costly problem for hydrographers.
Ladroit, Yoann +4 more
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Scientific Data, 2022 Measurement(s) Beach topography • Nearshore bathymetry Technology Type(s) RTK-GNSS • Terrestrial laser scanning • Digital photogrammetry • Multibeam echosounder Factor Type(s) Elevation Sample Characteristic - Environment shore Sample Characteristic ...
Stéphane Bertin +16 more
doaj +1 more source
Journal of Geospatial Information Science and Engineering, 2022 Survei batimetri merupakan kegiatan penting dalam kajian hidrografi untuk mengetahui kedalaman suatu perairan. Metode pengukuran batimetri menggunakan prinsip hidroakustik yaitu memanfaatkan cepat rambat gelombang suara di dalam air.
Sarono Sarono, Abdul Basith
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The Invention and Developing of Multibeam Echosounder Technology [PDF]
Polish Hyperbaric Research, 2018 Abstract When a man has mastered the ability to travel by sea, he began to wonder what is the depth clearance under the keel and how to measure the depth. Initially, only coastal shipping was practiced. Cargo ship sailing, fishery, underwater scientific research, recreational diving as well as resource exploration and operation of ...
Artur Grządziel, Mariusz Wąż
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Towards a fully calibrated multibeam echosounder [PDF]
Proceedings of Meetings on Acoustics, 2012 Multibeam Echo Sounders (MBES) are designed primarily for high resolution bathymetry. Therefore, absolute sound pressure levels measurements have not been a high priority so far. There is, however, a growing demand for the characterization of, for example, species, sediments, man made objects, and oil pollution.
Gorm Wendelboe +3 more
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Frontiers in Climate, 2022 Biogeographic assessments aim to determine spatial and temporal distributions of organisms and habitats to help inform resource management decisions. In marine systems, rapid technological advances in sensors employed for biogeographic assessments allow ...
Avery B. Paxton +4 more
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SEAGRASS HABITAT SUITABILITY MAP AT MERAMBONG SHOAL, JOHOR: A PRELIMINARY STUDY USING MULTIBEAM ECHOSOUNDER AND MAXENT MODELLING [PDF]
The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019 In recent years, there has been an increasing interest to use high-resolution multibeam dataset and Species Distribution Modelling (SDM) for seagrass habitat suitability model.
M. A. H. Muhamad +2 more
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Seabed classification of multibeam echosounder data into bedrock/non-bedrock using deep learning
Frontiers in Earth Science, 2023 The accurate mapping of seafloor substrate types plays a major role in understanding the distribution of benthic marine communities and planning a sustainable exploitation of marine resources.
Rosa Virginia Garone +5 more
semanticscholar +1 more source