Results 211 to 220 of about 29,313 (262)

Near-inertial internal waves funneled into Taylor caps shape seamount tops, with implications for biodiversity in the deep ocean. [PDF]

Sci Adv
Xie X, Qu L, Li M, Thomas L, Chen D, Zhou L, Zhang D, Wang J, Pan H, Shen C, Ren W.   +10 more
europepmc   +1 more source

Sediments as Potential Sources of Non-Cyanobacterial Diazotrophs in Arctic Sea Ice and Seawater. [PDF]

Environ Microbiol Rep
Bo H, Zhang Z, Fujiwara A, Fukai Y, Ito M, Kimura S, Oggier M, Waga H, Whitmore L, Hamasaki K, Shiozaki T.   +10 more
europepmc   +1 more source

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BOTTOM SEDIMENTS AND NEAR-BOTTOM CURRENTS IN THE SOUTHWESTERN ATLANTIC

Геология и геофизика, 2015
Abstract On the basis of the author’s data on the composition of sediments and seismic cross sections, together with literature data, the bottom topography was described and the main structural features of the top 10–100 m thick sedimentary sequence in the Southwestern Atlantic (Brazil Basin) were identified.
openaire   +1 more source

Carbon in the Bottom Sediments

2004
The burial and accumulation of carbon in the bottom sediments represents the final link in its turnover in the upper part of the biosphere. Subsequently to this stage, carbon is transformed within the geological cycling (katagenesis, metamorphism) and tens million of years pass before its reimbursement back to the upper spheres of the earth, ocean, and
Alexander A. Vetrov, Evgenii A. Romankevich   +1 more
openaire   +1 more source

Characteristics of Dredged Bottom Sediments

Journal of the Waterway, Port, Coastal and Ocean Division, 1977
Certain physical and bulk chemical characteristics of bottom sediments that are candidates for dredging are summarized for approx. 50 locations throughout the United States. According to empirical criteria that were used for the past several years, most of these sediments would be termed polluted. Based on the results of a bivariate regression analysis
Raymond J. Krizek, Dimitrios K. Atmatzidis, Joseph A. FitzPatrick   +2 more
openaire   +1 more source

Analysis of Ocean Bottom Sediments

Offshore Technology Conference, 1971
INTRODUCTION The Civil Engineering Dept. of the U. of British Columbia was requested by Lockheed Offshore Petroleum Services Ltd. to perform laboratory tests on ocean bottom sediments taken from a depth of 1, 200 it in the Strait of Georgia, British Columbia.
W.D. Liam Finn, P.M. Byrne
openaire   +1 more source

Bottom sediments of Georges Bank

Journal of Sedimentary Research, 1961
Abstract A survey of Georges Bank [New England continental shelf] bottom sediments was undertaken to provide basic data for use in studying the relationships between substrate composition and the occurrence of benthic animals, especially those which are common foods of fishes.
openaire   +1 more source

Neural Classifier for Bottom Sediments

2003
The article presents the application of neural networks for classification of bottom sediments by means of broadband analysis of hydroacoustical signals. The results of detection of five classes of sediments using a multilayer perceptron with back-propagation have been described below.
Dariusz Szulc, Mariusz Wąż
openaire   +1 more source

Survey of dioxins in Tokyo Bay bottom sediment

Marine Pollution Bulletin, 2003
This paper examines dioxin profiles in bottom sediments from Tokyo Bay, Japan using sedimentation dating based on 210Pb measurements and dioxin measurements based on particle size distributions. Dioxin concentrations in surface sediment ranged from 3.2 to 52 pg-TEQ g(-1), with the concentrations in the bay back and central region being higher than ...
Masaaki, Hosomi, Tomonori, Matsuo, Sirou, Dobashi, Sinji, Katou, Hirohide, Abe   +4 more
openaire   +2 more sources

In situ measurement of radioactive contamination of bottom sediments

Applied Radiation and Isotopes, 2018
A gamma spectrometric method is presented for in situ radiation monitoring of bottom sediments with contaminated layer of unknown thickness to be determined. The method, based on the processing of experimental spectra using the results of their simulation by the Monte Carlo method, is proposed and tested in practice.
A. Zhukouski, O. Anshakou, S. Kutsen
openaire   +2 more sources