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10.039  Articles
1 of 1.005 pages  |  10  records  |  more records»
The regularities of the distribution of migration and accumulation of heavy metals in the samples of bottom sediments biotransformed by vermiculture of the genus Eisenia are studied. The changes in the mobility coefficient of heavy metals: Mg, Ni, Zn, Cu,... see more

River-lake systems most often behave as hydrographic units, which undergo complex interactions, especially in the contact zone. One such interaction pertains to the role of a river in the dispersal of trace elements carried into and out of a lake. In this... see more

Water depth and substrate grain size composition were measured in a riffle-pool unit in the Guavirá stream, municipal district of Marechal Cândido Rondon, western region of Paraná State, Brazil. The objective of the work was to describe the effects of the... see more

A high resolution (300-400 m grid spacing), process oriented modeling study was undertaken to elucidate the physical processes affecting the characteristics and distribution of sea-floor sedimentary environments in Long Island Sound. Simulations using ide... see more

Non-erodible or "hard" bottoms are encountered on beaches along many coasts and are often considered a valuable environmental resource that must be protected. Hard bottoms can consist of natural materials such as limestone, coral, shell, worm rock, sedime... see more

The study involved a comparative analysis of PAH (polycyclic aromatic hydrocarbons) concentrations in the bottom sediments of the southern part of the Baltic Sea. It was determined that the contamination of sediments with PAHs is considerable (>500 ng/... see more

The article considers biogeochemical features of accumulation, redistribution and migration of heavy metals in bottom sediments in the conditions of oil pollution of coastal water areas. The Black Sea, like other parts of the world's oceans, is characteri... see more

Research on nickel (Ni) and chromium (Cr) concentration in sediment and meat of suso snail (Tytometania patriarchatis) collected from bottom layer of Lake Matano, South Sulawesi, was conducted on July-August 2004. Research station was established purposiv... see more

Rainfall runoff collection in ephemeral streams is an objective in semi-arid zones. Rack intake systems are proposed to collect these flash floods with intensive sediment transport. The design parameters address the problem of clogging the spacing between... see more

1 of 1.005 pages  |  10  records  |  more records»