Results 41 to 50 of about 2,586 (213)

Mapping of Cold-Water Coral Carbonate Mounds Based on Geomorphometric Features: An Object-Based Approach

open access: yesGeosciences, 2018
Cold-water coral reefs are rich, yet fragile ecosystems found in colder oceanic waters. Knowledge of their spatial distribution on continental shelves, slopes, seamounts and ridge systems is vital for marine spatial planning and conservation.
Markus Diesing, Terje Thorsnes
doaj   +1 more source

A Characterisation of Benthic Currents from Seabed Bathymetry: An Object-Based Image Analysis of Cold-Water Coral Mounds

open access: yesRemote Sensing, 2022
Seabed sedimentary bedforms (SSBs) are strong indicators of current flow (direction and velocity) and can be mapped in high resolution using multibeam echosounders.
Gerard Summers   +2 more
doaj   +1 more source

Mapping the Seabed and Shallow Subsurface with Multi-Frequency Multibeam Echosounders [PDF]

open access: yesRemote Sensing, 2019
Multi-frequency multibeam backscatter (BS) has indicated, in particular for fine sediments, the potential for increasing the discrimination between different seabed environments. Fine sediments are expected to have a varying signal penetration within the frequency range of modern multibeam echosounders (MBESs).
Timo C. Gaida   +3 more
openaire   +3 more sources

MSM35 raw data of EM122 multibeam echosounder (bathymetry, beam time series & water column) [PDF]

open access: yes, 2018
Multibeam echosounder (MBES) data recorded during RV MARIA S. MERIAN cruise MSM35between 20.01.2014 and 05.02.2014 in the Black Sea. The aim of the cruise was to conduct marine controlled source electromagnetic (CSEM) measurements in the Danube Delta ...
Schwalenberg, Katrin, Barckhausen, Udo
core   +1 more source

Performing a Sonar Acceptance Test of the Kongsberg EM712 Using Open-Source Software: A Case Study of Kluster

open access: yesGeomatics, 2022
In the world of seafloor mapping, the ability to explore and experiment with a dataset in its raw and processed forms is critical. Kluster is an open-source multibeam data processing software package written in Python that enables this exploration ...
Eric Younkin, S. Harper Umfress
doaj   +1 more source

PRA-KAJIAN DATA MULTIBEAM ECHOSOUNDER UNTUK PENDUGAAN SEDIMEN PERAIRAN DANGKAL [PDF]

open access: yes, 2020
ABSTRAK Studi ini mengkaji tentang penggunaan data Echosounder Multibeam (MBES) untuk pendugaan sedimen perairan dangkal dengan wilayah studi Pantai Kartini Jepara.
Firdaus, Hana Sugiastu   +3 more
core   +2 more sources

Estimation of Effective Swath Width for Dual-Head Multibeam Echosounder [PDF]

open access: yes, 2016
Many surveying companies and maritime institutions are now using multibeam systems for their operations, either offshore or in coastal and inland waters.
Artur Grządziel   +3 more
core   +1 more source

A comparison of supervised classification methods for the prediction of substrate type using multibeam acoustic and legacy grain-size data. [PDF]

open access: yesPLoS ONE, 2014
Detailed seabed substrate maps are increasingly in demand for effective planning and management of marine ecosystems and resources. It has become common to use remotely sensed multibeam echosounder data in the form of bathymetry and acoustic backscatter ...
David Stephens, Markus Diesing
doaj   +1 more source

METEOR cruise M146 raw data of EM122 multibeam echosounder (bathymetry, beam time series), Transit [PDF]

open access: yes, 2018
Multibeam echosounder (MBES) data recorded during RV METEOR cruise M146 between 17.03.2018 and 16.04.2018. The data covers the transit (cruise started in Receive/Brazil) in international waters crossing the Atlantic Ocean, a single survey line crossing ...
Römer, Miriam   +2 more
core   +1 more source

METEOR cruise M146 raw data of EM122 multibeam echosounder (bathymetry, beam time series), Henry Seamont [PDF]

open access: yes, 2018
Multibeam echosounder (MBES) data recorded during RV METEOR cruise M146 between 17.03.2018 and 16.04.2018. The data covers the transit (cruise started in Receive/Brazil) in international waters crossing the Atlantic Ocean, a single survey line crossing ...
Römer, Miriam   +2 more
core   +1 more source

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