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Добірка наукової літератури з теми "Marine sediments South Australia St"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 11 лютого 2022

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Статті в журналах з теми "Marine sediments South Australia St"

1

Lee, Won-Je. "Choanoflagellates (Protist) from Marine Sediments of South-Eastern Australia." Korean Journal of Systematic Zoology 23, no. 1 (May 31, 2007): 1–7. http://dx.doi.org/10.5635/kjsz.2007.23.1.001.

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2

Maher, W. A. "Trace metal concentrations in marine organisms from St. Vincent Gulf, South Australia." Water, Air, and Soil Pollution 29, no. 1 (May 1986): 77–84. http://dx.doi.org/10.1007/bf00149330.

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3

Jones, MR. "Surficial sediments of the western Gulf of Carpentaria, Australia." Marine and Freshwater Research 38, no. 1 (1987): 151. http://dx.doi.org/10.1071/mf9870151.

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Modern sedimentation in the Gulf of Carpentaria is confined principally to marginal areas in water depths of less than 50 m. Within this zone, the distribution of sediments is irregular, being controlled by proximity to sediment sources and degree of exposure to waves and tidal activity. This is particularly so in the western gulf, where fluvial sediments supplied to Limmen Bight have been transported by waves and tides northwards beyond that embayment to accumulate in the sheltered environment of Blue Mud Bay. Limmen Bight is exposed to the south-easterlies, which produce sufficient wave action in the nearshore zone to prevent the widespread deposition of fine-grained terrigenous sediments. As a result, relict sand deposits occupy much of the floor of Limmen Bight in areas shallower than about 25 m. In deeper areas, terrigenous muds are deposited at a low rate over relict fluvial and marine sediments. The relict deposits accumulated in continental and nearshore marine environments during low-sea-level periods of the late Pleistocene.

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4

Fernandes, Milena, Ali Shareef, Rai Kookana, Sam Gaylard, Sonja Hoare, and Tim Kildea. "The distribution of triclosan and methyl-triclosan in marine sediments of Barker Inlet, South Australia." Journal of Environmental Monitoring 13, no. 4 (2011): 801. http://dx.doi.org/10.1039/c0em00612b.

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5

Schrale, G., R. Boardman, and M. J. Blaskett. "Investigating Land Based Disposal of Bolivar Reclaimed Water, South Australia." Water Science and Technology 27, no. 1 (January 1, 1993): 87–96. http://dx.doi.org/10.2166/wst.1993.0022.

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The Bolivar Sewage Treatment Works (STW) processes the urban and industrial sewage from the northern and eastern suburbs of Adelaide. The treatment capacity is equivalent to the sewage production of 1.1 million people. The disposal of more than 40 000 ML of reclaimed water into the sea has caused a progressive degradation of about 950 ha of seagrass beds which threatens the sustainability of the fisheries and marine ecosystems of Gulf St. Vincent. The current practice will no longer be viable to achieve compliance with the SA Marine Environment Protection Act, 1990. A Inter-Departmental Working Party recommmended that the Bolivar reclaimed water be disposed by irrigation of suitable land on the coastal plains north of Adelaide. They proposed the construction of two pipelines: a 12 km long pipeline to extend the distribution of reclaimed water in the most intense portion of the 3 500 hectares of irrigated horticulture on the Northern Adelaide Plains, and a second, 18 km long pipeline to deliver the remainder to a more northerly site for irrigation of an estimated 4 000 hectares of hardwood plantations. The paper summarizes the findings as they relate to public health, environmental, technical and financial aspects of land based disposal. Land based disposal would completely eliminate the marine degradation and also arrest the over-use of the NAP underground water resources for horticulture. The total net costs over thirty years for land based disposal are about $ 21.8 million. The ‘horticultural' pipeline of the land based disposal scheme is expected to be commercially viable. A shortfall in revenue from the afforestation component is expected and may need to be considered as an environmental cost of ceasing marine disposal.

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6

Murray‐Wallace, C. V., and R. W. L. Kimber. "Evaluation of the amino acid racemization reaction in studies of Quaternary marine sediments in South Australia." Australian Journal of Earth Sciences 34, no. 3 (September 1987): 279–92. http://dx.doi.org/10.1080/08120098708729411.

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7

Cann, John H., Antonio P. Belperio, Victor A. Gostin, and Colin V. Murray-Wallace. "Sea-Level History, 45,000 to 30,000 yr B.P., Inferred from Benthic Foraminifera, Gulf St. Vincent, South Australia." Quaternary Research 29, no. 2 (March 1988): 153–75. http://dx.doi.org/10.1016/0033-5894(88)90058-0.

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Surficial sediments of Gulf St. Vincent, South Australia, are predominantly bioclastic, cool-temperate carbonates. Benthic foraminifera are abundant and distribution of species is closely related to water depth. For example, Massilina milletti is most common at depths ca. 40 m, while Discorbis dimidiatus is characteristics of shallow, subtidal environments. Elphidium crispum, a shallow-water species, and E. macelliforme, favoring deeper water, provide a useful numerical ratio. Their logarithmic relative abundance, in the sediment size fraction 0.50–0.25 mm, correlates strongly with water depth. Vibrocores SV 4 and SV 5 recovered undisturbed sections of Quaternary strata from the deepest part (ca. 40 m) of Gulf St. Vincent. Amino acid racemization and radiocarbon age determinations show that late Pleistocene sections of the cores were deposited over the time ca. 45,000 to 30,000 yr B.P. Species of fossil foraminifera, recovered from these sections, are mostly extant in modern Gulf St. Vincent, thus allowing paleoecological inferences of late Pleistocene sea levels. These inferred sea-level maxima can be correlated with those determined from study of Huon Peninsula coral reef terraces. Initial estimates of tectonically corrected sea levels for transgressions in Gulf St. Vincent at 40,000 and 31,000 yr B.P. are −22.5 m and −22 m, respectively. The intervening regression lowered sea level to −28 m.

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8

Shen, Li, Liu, Li, and Zhang. "Gas Permeability and Production Potential of Marine Hydrate Deposits in South China Sea." Energies 12, no. 21 (October 28, 2019): 4117. http://dx.doi.org/10.3390/en12214117.

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The permeability of marine sediments is critical to the gas production assessment of hydrate reservoirs. In this work, the sample of natural marine sediments was obtained from Shenhu Area of South China Sea at the depth of 1600 m, and the gas permeability of the sample was measured in the laboratory under various confining pressures. The porosity of the sample decreased from 41.82% to 29.54%, and the effective gas permeability of the sample decreased from 2.638 × 10−16 m2 to 0.872 × 10−16 m2 as the confining pressure increased from 0 to 23 MPa. The gas permeability of the natural sediments was determined to be 1.535 × 10−16 m2 with confining pressure of 15 MPa and porosity of 32%. The deformation of sample in longitudinal direction was sensitive to the confining pressure, and the compressibility in the radial direction was limited. On the basis of the experimental results, the particle size term in the classical Kozeny–Carman equation was revised by correction factor N, and the experimental results fitted well with the curves with N = 2.40. Moreover, the gas production potential at the site of W–17 in the Shenhu Area was numerically studied based on the measured gas permeability. The simulation results showed that the cumulative volume of produced gas was approximately 1.46 × 106 ST m3 after 30 years. A new enlarged permeable well wall method was proposed to improve the poor gas production caused by low permeability. The cumulative gas production increased by 2.7 times as the permeable well wall radius increased from 0 to 5 m. Regarding the gas and water production rates, water production increased with the increase of permeable well wall radius. Spatial distributions of hydrate and gas saturations, pressure, and temperature were investigated as well.

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9

Moussavi-Harami, R., and D. I. Gravestock. "BURIAL HISTORY OF THE EASTERN OFFICER BASIN, SOUTH AUSTRALIA." APPEA Journal 35, no. 1 (1995): 307. http://dx.doi.org/10.1071/aj94019.

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The intracratonic Officer Basin of central Australia was formed during the Neoproterozoic, approximately 820 m.y. ago. The eastern third of the Officer Basin is in South Australia and contains nine unconformity-bounded sequence sets (super-sequences), from Neoproterozoic to Tertiary in age. Burial history is interpreted from a series of diagrams generated from well data in structurally diverse settings. These enable comparison between the stable shelf and co-existing deep troughs. During the Neoproterozoic, subsidence in the north (Munyarai Trough) was much higher than in either the south (Giles area) or northeast (Manya Trough). This subsidence was related to tectonic as well as sediment loading. During the Cambrian, subsidence was much higher in the northeast and was probably due to tectonic and sediment loading (carbonates over siliciclastics). During the Early Ordovician, subsidence in the north created more accommodation space for the last marine transgression from the northeast. The high subsidence rate of Late Devonian rocks in the Munyarai Trough was probably related to rapid deposition of fine-grained siliciclastic sediments prior to the Alice Springs Orogeny. Rates of subsidence were very low during the Early Permian and Late Jurassic to Early Cretaceous, probably due to sediment loading rather than tectonic sinking. Potential Neoproterozoic source rocks were buried enough to reach initial maturity at the time of the terminal Proterozoic Petermann Ranges Orogeny. Early Cambrian potential source rocks in the Manya Trough were initially mature prior to the Delamerian Orogeny (Middle Cambrian) and fully mature on the Murnaroo Platform at the culmination of the Alice Springs Orogeny (Devonian).

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10

Cann, John H., Colin V. Murray-Wallace, Naomi J. Riggs, and Antonio P. Belperio. "Successive foraminiferal faunas and inferred palaeoenvironments associated with the postglacial (Holocene) marine transgression, Gulf St Vincent, South Australia." Holocene 16, no. 2 (February 2006): 224–34. http://dx.doi.org/10.1191/0959683606hl907rp.

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Дисертації з теми "Marine sediments South Australia St"

1

Daniel, Richard F. "Carbonate sediments of a cool-water embayment, Streaky Bay, South Australia /." Title page, contents and abstract only, 2002. http://web4.library.adelaide.edu.au/theses/09PH/09phd1847.pdf.

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2

Mee, Aija C. "Origin, formation and environmental significance of sapropels in shallow Holocene coastal lakes of Southeastern Australia." 2007. http://hdl.handle.net/2440/57295.

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Title page, contents and abstract only. The complete thesis in print form is available from the University of Adelaide Library.
The aims of this investigation on the Holocene carbonate successions of three shallow, ephemeral lakes from the Cooring coastal plain were: to determine the timing of the sapropel ’events’ in the three lakes; to determine the origin of the sapropelic organic matter and evaluate changes; to establish whether sapropel deposition in these shallow, coastal lakes primarily reflects increased organic matter delivery to the sediments during periods of enhanced terrestrial input and/or aquatic productivity, and; to relate sapropel deposition in these three lakes to both regional and global palaeoenvironment reconstructions. --p. 23-24.
http://proxy.library.adelaide.edu.au/login?url= http://library.adelaide.edu.au/cgi-bin/Pwebrecon.cgi?BBID=1324064
Thesis (Ph.D.) -- University of Adelaide, School of Earth and Environmental Sciences, 2007

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3

Daniel, Richard F. (Richard Francis). "Carbonate sediments of a cool-water embayment, Streaky Bay, South Australia." 2002. http://web4.library.adelaide.edu.au/theses/09PH/09phd1847.pdf.

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"March 2002" Includes bibliographical references (leaves 145-161) An analogue for shallow marine carbonate sedimentation and deposition on a broad passive margin is described from the eastern Great Australian Bight.

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Книги з теми "Marine sediments South Australia St"

1

Heggie, D. T. Continental margin transects: Geochemistry of surface sediments from the southern Australian continental margin including offshore west Tasmania, South Australia and Victoria : projects 121.13, 121.20 and 121.38. Canberra: Australian Geological Survey Organisation, 1993.

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