Results 101 to 110 of about 42,717 (194)

Economic impacts on key Barents Sea fisheries arising from changes in the strength of the Atlantic thermohaline circulation [PDF]

A bioeconomic model of key fisheries of the Barents Sea is run with scenarios generated by an earth system model of intermediate complexity to assess how the Barents Sea fisheries of cod (Gadus morhua) and capelin (Mallotus villosus) are affected by ...
P. Michael Link, Richard S.J. Tol
core  

Method for Automatic Path Planning of Underwater Vehicles Considering Ambient Noise Fields

Journal of Marine Science and Engineering
To tackle the problem of existing underwater vehicle covert path planning methods ignoring ambient noise fields, an automated path planning method based on a statistically characterized environmental noise field is proposed.
Gengming Zhang, Lihua Zhang, Yitao Wang, Chunyu Kang, Yinfei Zhou, Xiaodong Ma, Zeyuan Dai, Shaxige Wu   +7 more
doaj   +1 more source

An appraisal of backscatter removal and refraction calibration models for improving the performance of vision-based mapping and navigation in shallow underwater environments

Intelligent Systems with Applications
Vision-based mapping (VbM) is one of the fundamental origins of automation in remote and autonomous spatial data acquisitions. Complexity in obtaining accurate data arises when such a method is applied in the underwater environment.
Fickrie Muhammad, Poerbandono, Harald Sternberg, Eka Djunarsjah, Hasanuddin Z Abidin   +4 more
doaj   +1 more source

Developing an acceptance test for non-hydrographic airborne bathymetric lidar data application to NOAA charts in shallow waters [PDF]

, 2013
Hydrographic data of the National Oceanic and Atmospheric Administration are typically acquired using sonar systems, with a small percent acquired via airborne lidar bathymetry for nearshore areas.
Imahori, Gretchen, Jeong, Inseong, Macon, Christopher L, Parrish, Christopher, Pe\u27eri, Shachak, White, Stephen A, Wozumi, Toshi   +6 more
core   +2 more sources

Water Basin Delimitation in a Relief Transition Region

Floresta e Ambiente
The objective of this work was to evaluate the performance accuracy of digital elevation models in delimiting a water basin located in the relief transition region between the São Francisco Plateau, São Franciscana Depression and the Espinhaço mountain ...
Kevin Ficher, Donizete Pereira, André Almeida, Josiane Oliveira   +3 more
doaj   +1 more source

Spatiotemporal Analysis of Sonar Detection Range in Luzon Strait

Journal of Marine Science and Engineering
Sonar serves as a critical submarine detection apparatus for naval vessels, with its detection range forming the foundation of its overall performance in underwater surveillance.
Gengming Zhang, Lihua Zhang, Yitao Wang, Yaowei Ma, Xingyu Zhou, Yue Yu   +5 more
doaj   +1 more source

Accurate Extraction Method for Continental Margin FOS Line Considering Terrain Continuity

Journal of Marine Science and Engineering
This paper addresses the limitations and low efficiency of current methods for precise identification of continental margin break points in the delimitation of the outer continental shelf.
Dong Wang, Jian Dong, Zhiqiang Zhang, Tian Xie, Xiaodong Ma, Tianyue Wang   +5 more
doaj   +1 more source

The use of a general linear model to identify epidemiological factors affecting the abundance of chalimus stages of the sea louse (Lepeophtheirus salmonis) on Scottish salmon farms [PDF]

, 2003
In this communication chalimus lice numbers in the second, third and fourth quarters of the production cycle are examined in relation to a range of prevailing risk factors using an approach based on that already taken for mobile stages (Revie et al.
Gettinby, G., Revie, C.W., Ritchie, G., Treasurer, J.W.   +3 more
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Analysis of Tsunami Economic Loss in Tourism Areas Using High-Resolution Tsunami Run-Up Model

GeoHazards
A tsunami can cause significant economic losses for tourism areas like Batukaras Village, which is located on the southern coast of Java Island. This paper seeks to elaborate on the calculation of economic losses in tourism areas due to damage to ...
Wiwin Windupranata, Alqinthara Nuraghnia, Muhammad Wahyu Al Ghifari, Sonia Kartini Pasaribu, Wiwin Indira Rakhmanisa, Tiara Vani, Kevin Agriva Ginting, Michael Bintang Aventa, Intan Hayatiningsih, Deni Suwardhi, Irwan Meilano, Iyan Eka Mulia, Albert Kristiawan Lim   +12 more
doaj   +1 more source

Strategies for diversification of defense/space companies [PDF]

Diversification guidelines for defense and space industries, including surface transportation, hydrography, communications systems, atmospheric research and control, and area ...
Weidenbaum, M. L.
core   +1 more source