Environmental acoustic noise observations in Tethys Bay (Terra Nova Bay, Ross Sea, Antarctica)

Pensieri, Sara; Bozzano, Roberto; Schiano, M. E.; Pensieri, Laura; Traverso, F.; Trucco, A.; Picco, Paola; Bordone, Andrea

doi:10.1109/oceans.2014.7003196

2014 Oceans - St. John's 2014

DOI: 10.1109/oceans.2014.7003196

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Environmental acoustic noise observations in Tethys Bay (Terra Nova Bay, Ross Sea, Antarctica)

Sara Pensieri

Roberto Bozzano

M. E. Schiano

et al.

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Cited by 2 publications

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Long-term High Resolution Image Dataset of Antarctic Coastal Benthic Fauna

et al. 2022

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Antarctica is a remote place, the continent is covered by ice and its surrounding coastal areas are frozen for the majority of the year. Due to its peculiarity the observation of the underwater organisms is particularly difficult, complicated by logistic factors. We present a long-term dataset consisting of 755 images acquired by using a non-invasive, autonomous imaging device and encompassing both the Antarctic daylight and dark periods, including the corresponding transition phases. All images have the same field of view showing the benthic fauna and part of the water column above, including fishes present in the monitored period. All the images are manually annotated after a visual inspection performed by expert biologists. The extended monitoring period and the annotated images make the dataset a valuable benchmark suitable for studying the dynamics of the long-term Antarctic underwater fauna as well as for developing and testing algorithms for automated image analysis focused on the recognition and classification of the Antarctic organisms and the automated analysis of their long-term dynamics.

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Long-term High Resolution Image Dataset of Antarctic Coastal Benthic Fauna

et al. 2022

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Multibeam Bathymetry and Distribution of Clay Minerals on Surface Sediments of a Small Bay in Terra Nova Bay, Antarctica

Jung

Lee

et al. 2021

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The second Antarctic station of South Korea was constructed at Terra Nova Bay, East Antarctica, but local seafloor morphology and clay mineralogical characteristics are still not fully understood. Its small bay is connected to a modern Campbell Glacier, cliffs, and raised beaches along the coastline. Fourteen sampling sites to collect surface sediments were chosen in the small bay for grain size and clay mineral analyses to study the sediment source and sediment-transport process with multibeam bathymetry and sub-bottom profiles. Under the dominant erosional features (streamlined feature and meltwater channel), icebergs are the major geological agent for transport and deposition of coarse-sized sediments along the edge of glaciers in summer, and thus the study area can reveal the trajectory of transport by icebergs. Glacier meltwater is an important agent to deposit the clay-sized detritus and it results from the dominance of the illite content occurring along the edge of Campbell Glacier Tongue. The high smectite content compared to Antarctic sediments may be a result of the source of the surrounding volcanic rocks around within the Melbourne Volcanic Province.

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Environmental acoustic noise observations in Tethys Bay (Terra Nova Bay, Ross Sea, Antarctica)

Cited by 2 publications

References 4 publications

Long-term High Resolution Image Dataset of Antarctic Coastal Benthic Fauna

Long-term High Resolution Image Dataset of Antarctic Coastal Benthic Fauna

Multibeam Bathymetry and Distribution of Clay Minerals on Surface Sediments of a Small Bay in Terra Nova Bay, Antarctica

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