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Monday, October 19, 2020 | History

3 edition of Cycling of phosphorus and manganese in the Arabian Sea during the Late Quaternary = found in the catalog.

Cycling of phosphorus and manganese in the Arabian Sea during the Late Quaternary =

Sjoerd Johannes Schenau

Cycling of phosphorus and manganese in the Arabian Sea during the Late Quaternary =

De fosfor en mangaan cycli in de Arabische Zee tijdens het Laat Kwartair

by Sjoerd Johannes Schenau

  • 246 Want to read
  • 40 Currently reading

Published by Faculteit Aardwetenschappen, Universiteit Utrecht in [Utrecht] .
Written in English

    Subjects:
  • Biogeochemical cycles -- Arabian Sea,
  • Phosphorus cycle (Biogeochemistry) -- Arabian Sea,
  • Manganese -- Environmental aspects -- Arabian Sea,
  • Marine productivity -- Arabian Sea

  • Edition Notes

    Other titlesFosfor en mangaan cycli in de Arabische Zee tijdens het Laat Kwartair
    StatementSjoerd J. Schenau.
    SeriesGeologica Ultraiectina -- no. 182
    Classifications
    LC ClassificationsQH344 .S34 1999
    The Physical Object
    Pagination184 p. :
    Number of Pages184
    ID Numbers
    Open LibraryOL23557289M
    ISBN 109057440407
    LC Control Number2009433128

    Glacial to interglacial climate changes have been related to organic carbon cycling in oceanic surface waters1, and this possible link has led to the development of sedimentary tracers of past. Satellite Remote Sensing of Chlorophyll-a Distribution in the Northeast Arabian Sea DanLing TANGa,*, B. SATYANARAYANAa, R.P. SINGHb, Hui ZHAOa aLaboratory for Tropical Marine Environmental Dynamics, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, West Xiangang Road, P.R. China,

    during routine core description (e.g., Wetzel, ; Wetzel and Wijay-ananda, ; Droser and Bottjer, ). The m of sediment recovered from the eastern equatorial Pacific during Leg provided an ideal opportunity to document the spatial and temporal variations in trace-fossil diversity and abundance in a wide range of deep-seaFile Size: 2MB. The Mediterranean Sea (MS) is an oligotrophic marine basin despite being semi-enclosed with unusually low inorganic phosphorus (P) and nitrogen (N) concentrations, and high nitrate (NO₃):phosphate (PO₄) ratios comparative to the global by: 1.

    the Arabian landmass (Weyhenmeyer et al., ). However, arid conditions generally dominate during the winter monsoon, and paleostudies suggest that the origin of atmospheric water vapor changed from a dominantly northern Mediterranean source (modern pattern), to a primarily southern Indian Ocean source during the Late. The last glaciation, prior to the Quaternary ice ages, took place during late Carboniferous to basal Permian ca m.y. ago. The world began to cool rapidly in late Tertiary about 40 m.y. ago. By about m.y. ago, the world had cooled so much that ice sheets began to form in northern Canada and Scandinavia.


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Cycling of phosphorus and manganese in the Arabian Sea during the Late Quaternary = by Sjoerd Johannes Schenau Download PDF EPUB FB2

Promotor: Prof. c.H. van der Weijden Department of Geochemistry, Utrecht University Utrecht, The Netherlands. Co-promoter: Dr. de Lange Department of.

M.A PrinsPelagic, hemipelagic and turbidite deposition in the Arabian Sea during the late Quaternary: unravelling the signals of eolian and fluvial sediment supply as functions of tectonics, sea-level and climate change by means of end-member modelling of siliciclastic grain-size distributions.

(PhD thesis, Utrecht, Utrecht University)Cited by: Here, sedimentary manganese, iron, and sulphur cycling are studied at sites above, within and below the OMZ on the Pakistan margin of the Arabian Sea.

In this study the response of sedimentary phosphorus (P) burial to changes in primary productivity and bottom water oxygen concentrations during the Late Quaternary is investigated, using two sediment cores from the Arabian Sea, one recovered from the continental slope and the other from the deep by: Phosphorus burial as a function of paleoproductivity and redox conditions in Arabian Sea sediments oxygen concentrations during the Late Quaternary is investigated, using two sediment cores.

Patil S.K., Singh A.D. () New Record of Magnetic Properties of Late Quaternary Sediments from the Eastern Arabian Sea (off Goa): Inferences on Palaeoclimate. In: Sinha R., Ravindra R. (eds) Earth System Processes and Disaster Management. Society of Earth Scientists Series.

Springer, Berlin, Heidelberg. First Online 11 May Cited by: 2. Suthhof A., Ittekkot V. and Gaye-Haake B. Millennial-oscillation of denitrification in tensity in the Arabian Sea during the late Quaternary and its potential infiuence on atmospheric N 2 O and global climate.

Global Biogeochem Cycl ; Cited by: Pelagic, hemipelagic and turbidite deposition in the Arabian Sea during the late quaternary: unravelling the signals of eolian and fluvial sediment supply as functions of tectonics, sea-level and climate change by means of end-member modelling of siliciclastic grain-size distributionsCited by: S.

Naqvi et al.: The Arabian Sea as a high-nutrient, low-chlorophyll region during the late Southwest Monsoon that a large part of the Arabian Sea falls within the juris-diction of countries that surround this relatively small basin on three sides.

The File Size: 1MB. Major negative oxygen isotopic anomalies in planktonic foraminifera are associated with deep-sea anoxic mud layers (sapropels) deposited years ago in the eastern Mediterranean.

The isotopic depletion in surface-dwelling foraminifera is significantly greater than in mesopelagic foraminifera.

This difference in isotopic response suggests that surface-water. Biogeochemistry of iron in the Arabian Sea James W. Moffett,*1 Jagruti Vedamati,†1 Tyler J.

Goepfert,1 Anil Pratihary,2 Mangesh Gauns,2 S. Naqvi2 1Department of Biological Sciences, University of Southern California, Los Angeles, California 2National Institute of Oceanography, Council of Scientific and Industrial Research, Dona Paula, Goa, India Cited by: Phanerozoic cycles of sea-level change on the Arabian Platform Bilal U.

Haq and Abdul Motaleb Al-Qahtani magnitude of incision during sea-level falls and better volumetric estimates of reservoir facies during During Late Ordovician times (while the Arabian Plate occupied relatively high southern latitudinal.

Biogeochemistry of oxygen minimum zone (OMZ) sediments, which are characterized by high input of labile organic matter, have crucial bearings on the benthic biota, gas and metal fluxes across the Cited by: 9.

MAGNETOSTRATIGRAPHIC AND BIOSTRATIGRAPHIC SYNTHESIS, LEGARABIAN ABSTRACT During the late early Miocene to early middle Miocene, the Owen Ridge was uplifted to a sufficient height as to be above the realm of turbidite deposition. Monsoonal-induced upwelling appears to have been initiated during the Mio- tion of the Arabian Sea.

The early deglacial monsoon intensification started at approx. 16 ka B.P., which was further reduced during ka B.P., synchronous with the global and regional climatic fluctuations.

Maximum humidity was inferred between 9 and 6 ka B.P. and is comparable with similar records from this region. ACCEPTED MANUSCRIPT Phosphorus cycling in marine sediments: Advances and Challenges Delphine Defforey1 and Adina Paytan1,2* 1Department of Earth and Planetary Sciences, University of California, Santa Cruz, High St., Santa Cruz, CA,USA.

2Institute of Marine Sciences, University of California, Santa Cruz, High St., Santa Cruz, CA. Winter cooling and mixing brings nutrients (nitrate and phosphate) to the surface waters over large parts of the northern Arabian Sea, but the rates of primary production as well as carbon export from the euphotic zone are not especially high during the northeast monsoon.

Paleoenvironmental significance of clay mineral assemblages in the southeastern Arabian Sea during last 30 kyr Siddhartha Sankar Das1,∗, Ajai K Rai1, Vaseem Akaram1, Dhananjai Verma1, A C Pandey2, Koushik Dutta3,4 and G V Ravi Prasad3,5 1Department of Earth & Planetary Sciences, University of Allahabad, AllahabadIndia.

2Department of Ocean &. Title: The Late Quaternary History of Biogeochemical Cycling of carbon: Language: English: Author, co-author: Pedersen [ > > ]: François, R. [ > > ] François Cited by: Sedimentary environmental change induced from late Quaternary sea-level change in the Bonaparte Gulf, northwestern Australia Takeshige Ishiwa1,2*, Yusuke Yokoyama 1,2*, Yosuke Miyairi 1, Minoru Ikehara3 and Stephen Obrochta4 Abstract Low-latitude continental shelves, mixed siliciclastic–carbonate sedimentary systems, provide an understanding ofCited by: 3.

Benthic foraminifers and ostracodes from three boreholes (GK, GK, GK95) at Laizhou Bay, Bohai Sea, were utilized to interpret the paleoenvironments of deposition and elucidate the coastal response to global sea-level changes since the late by: 1.During these anoxic conditions, the regenerative P appears to induce secondary benthic algal blooms and promotes eutrophication in these inland bays through late summer.

By the late fall and into early spring, sulfide production diminished and oxic conditions were reestablished as indicated by increases in solid amorphous and crystalline Fe(III Cited by: Cycling of iron and manganese in freshwater, estuarine and deep sea sediments PROEFSCHRIFT ter verkrijging van het doctoraat in de Wiskunde en Natuurwetenschappen aan de Rijksuniversiteit Groningen op gezag van de Rector Magnificus, dr.

F. Zwarts, in het openbaar te verdedigen op vrijdag 27 juni om uur door Imola Ferro geboren op