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Sunday, August 2, 2020 | History

3 edition of Sediments of the nothern Arabian sea found in the catalog.

Sediments of the nothern Arabian sea

by Richard A. Stewart

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  • 30 Currently reading

Published by U.S. Naval Oceanographic Office in Washington .
Written in English


Edition Notes

Statement[by] R. A. Stewart, O. H. Pilkey
SeriesTechnical report -- TR-186
ContributionsPilkey, Orrin H., 1934-, United States. Naval Oceanographic Office
The Physical Object
Paginationiv, 28 p. :
Number of Pages28
ID Numbers
Open LibraryOL24367328M
OCLC/WorldCa5361728

Abstract. As part of the large-scale, interdisciplinary deep-sea study "BIGSET", the relationship between the monsoon-induced regional and temporal variability of POC deposition and the small-sized benthic community was investigated at several sites m deep in the Arabian Sea during four cruises between and Cited by: In the northern- and western-most areas of the Arabian Sea, sediments probably have been derived from several sources: Indus River, Iran-Makran region, Arabian peninsula, and Somalia; these different sediment sources appear to have characteristically high amounts of quartz, illite, chlorite, or by:

  Today, the northern Arabian Sea is characterized by (1) warm and highly saline near-surface waters originating from the Persian Gulf, (2) high fluxes of both wind- Cited by: [4] Northern Arabian Sea sediment core NIOP (24°′7 N, °′7 E, in m water depth; Figure 1) was collected from a location within the OMZ on the Pakistan Margin during the Netherlands Indian Ocean Program (–) and measures m. Sediments consist of dark‐greenish to light‐greenish/gray hemipelagic muds showing Cited by:

A deep submarine canyon has been cut by the Indus River, which also has deposited an abyssal (i.e., deep-sea) cone of thick sediments some miles ( km) wide and miles (1, km) cone and an associated abyssal plain in the Arabian Basin occupy much of the northeastern floor of the Arabian Sea. To the east of the Somali coast, the Somali Basin forms another large abyssal plain. Sediment cores lying outside the OMZ of the eastern Arabian Sea were found to have a much lower abundance of TOC contents due to much lower sedimentation rates and thereby longer exposure time to oxic waters at the sediment‐water interface leading to a poor preservation [Agnihotri et al., a]. Therefore, the increased sedimentation rate Cited by: 3.


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Sediments of the nothern Arabian sea by Richard A. Stewart Download PDF EPUB FB2

Sediments of the northern Arabian sea. [Richard A Stewart] Home. WorldCat Home About WorldCat Help. Search. Search for Library Items Search for Lists Search for book: Additional Physical Format: Print version: Stewart, Richard A.

Sediments of the northern Arabian sea. Title. Sediments of the nothern Arabian sea / Related Titles. Series: Technical report ; TR By. Stewart, Richard A. Pilkey, Orrin H., United States. The continental slope and rise is smooth in the Arabian Sea Basin because the Indus cone has overlapped much of the continental margin.

The slope and rise of the Gulf of Oman Basin is much less smooth. Sediments of the nothern Arabian sea book SEDIMENTS Grain size Fig.2 shows the distribution of the median grain size of northern Arabian Sea sedi- by: The southeast or Arabian Sea Basin is smoother because it is completely dominated by the large sediment cone of the Indus River.

The nature of the sediments in the two basins differs in several respects including clay by: Sediments of the nothern Arabian sea / [by] R. Stewart, O. Pilkey. By Richard A. Stewart, Orrin H. Pilkey and United States. Naval Oceanographic Office. adshelp[at] The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A.

Deep-sea sediments of two cores from the western (TY/P) and the southeastern (MD) Arabian Sea were used to study the variations of the Indian monsoon during previous climatic cycles.

The sources of sediment to the northern Arabian Sea are diverse: the Indus River, atmospheric transport and biological productivity. It is estimated that the adjoining Arabian Peninsula and the Thar Desert annually contribute around million metric tons of aeolian dust for deposition (Goldberg Cited by: In the northern- and western-most areas of the Arabian Sea, sediments probably have been derived from several sources: Indus River, Iran-Makran region, Arabian peninsula, and Somalia; these.

[1] Sr and Nd isotopic composition of silicate fractions of sediments have been measured in two well dated gravity cores from the eastern Arabian Sea archiving a depositional history of ∼29 and ∼40 ka. The 87 Sr/ 86 Sr and ɛ Nd in the northern core (SS‐G; °N, °E) ranges from to and − to −; these variations are limited compared to those in the Cited by: Laminated sediments of the continental slope off the Makran coast in the northern Arabian Sea are well-known climate archives and record productivity, as well as supply of material from land.

Praeorbulina-like specimens" in sediments of the Northern Arabian Sea during the last glacial period Submitted by Emmanuel Lemoine on Tue, 09/16/ - Titre Praeorbulina-like specimens" in sediments of the Northern Arabian Sea during the last glacial period Type de publication Communication Type Communication avec actes dans un congrès.

Guptha, M. & Hashimi, N. (): Fluctuations in glacial and interglacial sediment discharge of the river Indus as seen in a core from the Arabian Sea. - Ind. Journal of Marine Sciences, Vol, pp–70 Google ScholarCited by:   The Arabian Sea is strongly influenced by the Indian monsoon, which is driven by the differential summer-heating and winter-cooling of the Asian land mass and the Indian Ocean (Ramage, ).In summer (SW monsoon season), strong heating forms an atmospheric low over central Asia that attracts the SE trade winds to form a low-level cross-equatorial jet stream, blowing from the southwest Cited by: 2.

Tsunamis have repeatedly hit the shores of Oman (Northern Arabian Sea) in historical times (e.g.). These events had small. In this study, we investigate phosphorus (P) and iron (Fe) cycling in sediments along a depth transect from within to well below the oxygen minimum zone (OMZ) in the northern Arabian Sea (Murray Ridge).

Pore-water and solid-phase analyses show that authigenic formation of calcium phosphate minerals (Ca-P) is largely restricted to where the OMZ intersects the seafloor topography, likely due to Cited by: The upper-slope sediments of the NE Arabian Sea impinged by the OMZ are relatively enriched in P total by a factor of 2 when compared to SE Arabian Sea sediments.

The phosphorus fraction associated with organic matter (P org) is low in shelf (6%, Fig. 1, Table 3) and relatively high in deep-sea sediments (12–17%, Fig.

1, Table 3).Cited by: Results on the distribution of minor elements (Cu, Ni, Cr, Co, Pb and V) in the surficial sediments of the northern Arabian Sea (latitude 15–20°N, longitude 65–73°30′E) are by: 3.

Numerical-statistical algorithms are used to model end-member grain-size distributions of pelagic and hemipelagic siliciclastic sediments of the Arabian Sea. The grain-size distributions of sediments from the Oman continental slope, the Owen Ridge, the Pakistan continental slope, and the Indus Fan can be adequately described as mixtures of.

areas of Pakistan (Northern Arabian Sea) Quratulan Ahmed 1*, Qadeer Mohammad Ali 1, Levent Bat 2 1 The Marine Reference Collection and Resource Centre, University of Karachi, Karachi, Pakistan.

High occurrence of Orbulina suturalis and ``Praeorbulina-like specimens'' in sediments of the northern Arabian Sea during the Last Glacial Maximum Linda, Rossignol Frédérique, EynaudCited by: 7.Five species of Peridinium-type dinoflagellate cysts are described from sediment samples from the Persian Gulf and the Northern Arabian Sea.A dual classification system, as outlined by Reid () and Sarjeant and Downie (), has been followed.

These cysts are assignable, using cyst nomenclature, to four new genera: Stelladinium nov.;Leipokatium nov.;Cited by:   In order to investigate how monsoons influence biogeochemical fluxes in the ocean, twelve time-series sediment traps were deployed at six locations in the northern Indian Ocean.

In this paper we present particle flux data collected during May to November and November to November in the Arabian Sea and Bay of Bengal by: