منابع مشابه
Deep sea sedimentation
An important problem in the study of microparticles in the marine environment, suspended in the water column or deposited as sediment on the ocean bottom, is the determination of provenance of the microparticles-where did they come from and by what processes were they transported to the sampling location? Two techniques of possible interest to those concerned with tracing the origins and disper...
متن کاملResponse of deep-sea CaCO3 sedimentation to Atlantic meridional overturning circulation shutdown
[1] Changes in the distribution of the preservation and burial of calcium carbonate (CaCO3) in deep ocean sediments and associated atmospheric pCO2 response to the shutdown of the Atlantic meridional overturning circulation (MOC) are examined using an Earth system model. We find that shutdown of the Atlantic MOC forced by the freshwater inflow significantly decreases the CaCO3 content in North ...
متن کاملDeep sea in deep trouble?
Ahead of the imminent start of the industrial exploitation of deep sea resources, an EU report finds that scientific knowledge and understanding of this environment and its ecosystems still fall short of what would be needed for a sustainable use.
متن کاملDeep - Sea Bacteria
The presence of living bacteria in some of the deepest parts of the ocean was demonstrated on the Galathea Expedition. Sediment samples taken from the bottom of the Philippine Trench at depths exceeding 10 000 meters were found to contain from 104 to 1Q6 living bacteria per ml. Large bacterial populations were also detected in sediment samples from the floor of the Kermadec-Tonga Trench (6790 t...
متن کاملNews from Deep-sea
The Antares project aims to build a deep-sea Cherenkov Telescope for High Energy Neutrino Astronomy located in the Mediterranean Sea. The experiment, currently in the construction phase, has recently achieved an important milestone : the operation of a prototype line and of a line with monitoring instruments. These deployments allowed a thorough understanding of environmental parameters. http:/...
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ژورنال
عنوان ژورنال: Environmental Health Perspectives
سال: 1974
ISSN: 0091-6765
DOI: 10.2307/3428277