منابع مشابه
Magnetic Susceptibility of the Ponnaiyar River Sediments, Tamilnadu, India
Magnetic susceptibility measurements are performed on 40 sediment samples collected from the Ponnaiyar river, Tamilnadu. Measurement of magnetic susceptibility of sediments, reflecting magnetic enhancement of top sediments due to the atmospherically deposited magnetic particles of anthropogenic origin as well as approximate determination of environmental contamination. One of the natural limita...
متن کاملPaleomagnetism of Pleistocene Sediments From Drill Hole OL-92, Owens Lake, California Reevaluation of Magnetic Excursions Using Anisotropy of Magnetic Susceptibility
Magnetic Susceptibility) contains new anisotropy of magnetic susceptibility (AMS) data for selected samples from drill hole OL-92. The data were obtained from depth intervals that in earlier publications were interpreted to span several paleomagnetic excursions. Preliminary interpretation of the AMS results indicates that the high dispersion of the paleomagnetic directions within these interval...
متن کاملBottom Sediments of Lake Nicaragua and Lake Managua, Western Nicaragua
Lakes Nicaragua and Managua are large, rather shallow, fresh-water bodies that lie in a late Tertiary and Quaternary graben in western Nicaragua. The bottom sediments comprise highly organic diatomaceous volcanic silts and clays in which quartz plagioclase feldspar, dioctahedral montmorillonite and volcanic glass are the principal constituents. ' Organic nitrogen content of the lake sediments r...
متن کاملPalynological study of Lake Kotokel’ bottom sediments (Lake Baikal region)
Pollen and AMSC analyses of bottom sediments from the upper nine meters of the Lake Kotokel’ section were carried out. The regional climate and landscape dynamics during the Late Glacial and Holocene has been reconstructed with an average time resolution of ~120 years. It is shown that the climatic conditions in the Kotokel’ basin during Termination I (~15.5–11 ka) were characterized by short d...
متن کاملEstimating phytolith influx in lake sediments
a Centre for Bio-Archaeology and Ecology (UMR5059, CNRS/Université Montpellier 2/EPHE), Institut de Botanique, 163 rue Broussonet, F-34090 Montpellier, France b Paleoenvironments and Chronoecology (PALECO), Ecole Pratique des Hautes Etudes (EPHE), Institut de Botanique, 163 rue Broussonet, F-34090 Montpellier, France c UR Biens et services des écosystèmes forestiers tropicaux (CIRAD), Montpelli...
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ژورنال
عنوان ژورنال: Limnology and Oceanography
سال: 1975
ISSN: 0024-3590
DOI: 10.4319/lo.1975.20.5.0687