Дисертації з теми "Landscape regolith"
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Spry, Melissa J., and n/a. "The Regolith and landscape evolution of a low relief landscape: Cobar, Central New South Wales, Australia." University of Canberra. Resource, Environmental & Heritage Management, 2003. http://erl.canberra.edu.au./public/adt-AUC20050704.162445.
Повний текст джерелаSmith, Martin Lancaster. "Towards a geochronology for long-term landscape evolution, Northwestern New South Wales /." View thesis entry in Australian Digital Theses Program, 2006. http://thesis.anu.edu.au/public/adt-ANU20061026.141414/index.html.
Повний текст джерелаSmith, Martin Lancaster, and martin smith@anu edu au. "Towards a Geochronology for Long-term Landscape Evolution, Northwestern New South Wales." The Australian National University. Research School of Earth Sciences, 2006. http://thesis.anu.edu.au./public/adt-ANU20061026.141414.
Повний текст джерелаPetts, Anna E. "Termitaria as regolith landscape attributes and sampling media in northern Australia." 2009. http://hdl.handle.net/2440/57902.
Повний текст джерелаhttp://proxy.library.adelaide.edu.au/login?url= http://library.adelaide.edu.au/cgi-bin/Pwebrecon.cgi?BBID=1369217
Thesis (Ph.D.) - University of Adelaide, School of Earth and Environmental Sciences, 2009
Aspandiar, Mehrooz F. "Regolith and landscape evolution of the Charters Towers Area, North Queensland." Phd thesis, 1998. http://hdl.handle.net/1885/147189.
Повний текст джерелаSmith, Martin Lancaster. "Towards a Geochronology for Long-term Landscape Evolution, Northwestern New South Wales." Phd thesis, 2006. http://hdl.handle.net/1885/48194.
Повний текст джерелаDart, Robert C. "Gold-in-calcrete: a continental to profile scale study of regolith carbonates and their association with gold mineralisation." Thesis, 2009. http://hdl.handle.net/2440/61507.
Повний текст джерелаThesis (Ph.D.) - University of Adelaide, School of Earth and Environmental Sciences, 2009.
Stoate, Katherine A. "The landscape evolution, geochemistry and biogeochemistry of Kangaroo Island." Thesis, 2017. http://hdl.handle.net/2440/119519.
Повний текст джерелаThesis (Ph.D.) -- University of Adelaide, School of Physical Sciences, 2016.
Hill, Steven Matthew. "The regolith and landscape evolution of the Broken Hill Block, Western New South Wales, Australia." Phd thesis, 2000. http://hdl.handle.net/1885/148039.
Повний текст джерелаJohnson, Ashlyn Kate. "Regolith and associated mineral systems of the Eucla Basin, South Australia." Thesis, 2015. http://hdl.handle.net/2440/95312.
Повний текст джерелаThesis (Ph.D.) -- University of Adelaide, School of Earth and Environmental Sciences, 2015
Tanti, D. J. "Biogeochemical and regolith expression of buried non-ferrous mineralisation in the northern Middleback Ranges, Iron Knob North." Thesis, 2011. http://hdl.handle.net/2440/97937.
Повний текст джерелаSouth Australia hosts some of the world’s largest non-ferrous mineral deposits. Exploration for such mineralisation systems has so far been impeded by thick regolith that conceals much of the prospective regions throughout Australia. The project tenement studied here is on the Eyre Peninsula at the central northern edge of the Spencer Domain (Middleback Ranges) within the Gawler Craton. It considered highly prospective for mineralization, such as associated with Iron Ore Copper Gold (IOCG) mineralisation. This study provides a preliminary characterisation of the plant biogeochemistry in relation to potential mineralisation sources in the area, and evaluates the potential for plant biogeochemistry to provide an effective and efficient representation of the mineral prospectivity. Three different plant species (Marianna sedifolia, Acacia papyrocarpa and Casuarina pauper) were sampled along east-west transects. Regolith mapping was conducted from aerial imagery of the area and ground-proofing along transects. A landscape geochemical dispersion model was constructed to highlight material flow directions to further understand the regolith units, landform history and its relation to the biogeochemistry of the area. Multi-element plant biogeochemical results show elevated levels of the commodity elements (Cu, Au, U) over known fault structures, the western alluvial system, and surrounding the mineralised Hutchison Group. Three statistical methods were selected to analyse and interpret the data: 1) Normal distribution- two standard deviations; 2) Median absolute deviation; and 3) Normal probability plots & histograms. The median absolute deviation presented consistent parameters for isolating the natural (interpreted natural) uptake of the selected 19 elements. Threshold values displayed limits that were interpreted as showing minimal potential of inhibiting any interpretation of single points of interest or overshadowing any broad scale element trends. Thus this method was utilised in displaying the biogeochemical results. Proposed exploration models for the area include close spaced transect sampling of vegetation along fault structures. Results from this study have implications for the future of mineral exploration, both within this tenement and in other regions comprising similar species and regolith cover. Results demonstrate that biogeochemistry can assist in the exploration of mineral deposits at both the prospect and regional scale. The importance of regolith mapping and developing an understanding for the tenement and regional landscape are important components in identifying likely areas of mineralistion, the success of sampling and result analysis.
Thesis (B.Sc.(Hons)) -- University of Adelaide, School of Earth and Environmental Sciences, 2011
(5929448), Sheridan E. Ackiss. "Investigating the Mineralogy and Morphology of Subglacial Volcanoes on Earth and Mars." Thesis, 2019.
Знайти повний текст джерелаWilford, John Richard. "New regolith mapping approaches for old Australian landscapes." Thesis, 2014. http://hdl.handle.net/2440/85930.
Повний текст джерелаThesis (Ph.D.) -- University of Adelaide, School of Earth and Environmental Sciences, 2014
(9673769), William E. Odom III. "Dating the Cenozoic incision history of the Tennessee and Shenandoah Rivers with cosmogenic nuclides and 40Ar/39Ar in manganese oxides." Thesis, 2020.
Знайти повний текст джерела(10724127), Jennifer C. H. Newall. "RECONSTRUCTING ICE SHEET SURFACE CHANGES IN WESTERN DRONNING MAUD LAND, ANTARCTICA." Thesis, 2021.
Знайти повний текст джерелаUnderstanding climate-driven changes in global land-based ice volume is a critical component in our capability to predict how global sea level will rise as a consequence of the current human-driven climate change. At the last glacial maximum (LGM, which peaked around 20 ka), ephemeral ice sheets covered vast regions of the northern hemisphere while both the Greenland and Antarctic ice sheets were more extensive than at present. As global temperatures rose at the transition into the Holocene, driving the LGM deglaciation, eustatic sea level rose by approximately 125 m. The east Antarctic ice sheet (EAIS) is the largest ice sheet on Earth today, holding an ice volume equivalent to ca. 53 m rise in global sea level. Considering current trends in global climate, specifically rapidly increasing atmospheric CO2 levels and global temperature, it is important to improve our understanding of how the EAIS will respond to global warming so that we can make better predictions of future sea level changes to guide community adaptation and planning efforts. Numerical ice sheet models which inform projections of future ice volume changes, and can, therefore, yield projections of sea level rise, rely on empirical data to test their ability to accurately represent former and present ice configurations. However, there is a general lack of data on the paleoglaciology of the EAIS along the western Dronning Maud Land (DML) margin. In order to address this situation, the paleoglaciology of western DML forms the focus of the work presented in this thesis.
Together with collaborators within the MAGIC-DML consortium (Mapping, Measuring and Modelling Antarctic Geomorphology and Ice Change in Dronning Maud Land) that provides the funding for this MS project, the author has performed geomorphological mapping across western DML; an area of approximately 200,000 km2. The results of the mapping presented in this thesis will provide the basis for a detailed glacial reconstruction of the region. The geomorphological mapping was completed almost entirely by remote sensing using very high-resolution (sub-meter in the panchromatic) WordView-2 and WorldView-3 (WV) satellite imagery, combined with ground validation studies during field work. Compared to Landsat products, the improved spatial resolution provided by WV imagery has fundamentally changed the scale and detail at which remote sensing based geomorphological mapping can be completed. The mapping presented here is focused on the glacial geomorphology of mountain summits and flanks that protrude through the ice sheet’s surface (nunataks). In our study area of western DML these nunatak surfaces make up <0.2 % of the total surface area, and the landforms mapped here are generally smaller than can be identified from Landsat products (30 m spatial resolution). The detail achieved in our mapping, across such a vast, remote area that presents numerous obstacles to accessibility highlights the benefits of utilizing the new VHR WV data. As such an evaluation of the WV data, as applied to geomorphological mapping is presented here together with our mapping of the glacial geomorphology of western DML. The results of which provides evidence of ice having overridden sites at all elevations across the entire study area; from the highest elevation inland nunataks that form the coast-parallel escarpment, to low-elevation emerging nunataks close to the coast. Hence from our studies of the glacial geomorphology of this region we can ascertain that, at some point in the glacial history of western DML, ice covered all of the mountain summits that are exposed today, indicating an ice sheet surface lowering of up to 700 m in some places.
Hill, Leanne Jodie. "Geochemical and biogeochemical dispersion and residence in landscapes of western New South Wales." Phd thesis, 2004. http://hdl.handle.net/1885/148590.
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