Дисертації з теми "Northern Mathematical models"
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Duff, Andrew A. "Predicting bat occurrence in northern California using landscape-scale variables." Virtual Press, 2004. http://liblink.bsu.edu/uhtbin/catkey/1286503.
Повний текст джерелаDepartment of Biology
Johnson, Terrence G. "A model of nitrate leaching from agricultural systems in the northern neck of Virginia." Diss., Virginia Tech, 1992. http://hdl.handle.net/10919/37887.
Повний текст джерелаPh. D.
Huang, Fengting. "A simple polynya model for the north water, northern Baffin Bay /." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59872.
Повний текст джерелаSmall, Aaron Brent. "A comparative evaluation of surface runoff models and methods on small developing watersheds in Northern Virginia." Thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-03302010-020635/.
Повний текст джерела18 color maps in back pocket. Vita. Abstract. Includes bibliographical references (leaves 137-139). Also available via the Internet.
Zeng, Tao. "Three-Dimensional Model Analysis of Tropospheric Photochemical Processes in the Arctic and Northern Mid_Latitudes." Diss., Georgia Institute of Technology, 2005. http://hdl.handle.net/1853/7648.
Повний текст джерелаDupigny-Giroux, Lesley-Ann. "Techniques for rainfall estimation and surface characterization over northern Brazil." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=40345.
Повний текст джерелаThe work present a more effective algorithm to estimate rainfall from both the cold and warm cloud types present. Using a decision-tree methodology, the analysis yields rainfall estimates over the 0-21 mm range. Because seasonal variations in rainfall produce differences in vegetation, soils and hydrologic responses, Principal Components Analysis was used to examine these land surface responses. Individual components and component pairings were useful in identifying variations in vegetation density, geobotanical differences and drainage characteristics. The presence of cloud cover was found to dampen the land surface information that could be extracted. Landsat Thematic Mapper (TM) imagery was then used to produce a moisture index which characterizes surface wetness in relation to other features present in a scene. The multispectral combination of TM bands 1, 4 and 6 allowed for the separation of the surface types present, in locational space. This space was defined by an open-ended triange made up of a vertical "water line", a horizontal line of equal vegetation density; and a negatively-slopping iso-moisture line. The stability of the moisture index was influenced by varying scale and seasonal conditions.
In the drought conditions that prevailed in 1991-1992, these methods provide important additions to existing drought monitoring approaches in the Brazilian northeast. Further calibration is required in order to extend their applicability to other geographical regions and time frames.
Henderson, Susan Jane. "Analysis of the long-term slope stability of waste-rock dumps /." Title page, table of contents and abstract only, 1992. http://web4.library.adelaide.edu.au/theses/09PH/09phh4972.pdf.
Повний текст джерелаHardison, Tanya. "Applications of Remote Sensing and GIS to Modeling Fire for Vegetative Restoration in Northern Arizona." Thesis, University of North Texas, 2003. https://digital.library.unt.edu/ark:/67531/metadc4323/.
Повний текст джерелаFournié, Guillaume. "The potential for silent circulation of highly pathogenic avian influenza viruses subtype H5N1 to be sustained in live bird markets : a survey of markets in northern Viet Nam and Cambodia and mathematical models of transmission." Thesis, Royal Veterinary College (University of London), 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.559027.
Повний текст джерелаAarts, Geert. "Modelling space-use and habitat preference from wildlife telemetry data." Thesis, St Andrews, 2007. http://hdl.handle.net/10023/327.
Повний текст джерелаEmerick, Christina M. "Age progressive volcanism in the Comores Archipelago and northern Madagascar." Thesis, 1985. http://hdl.handle.net/1957/28184.
Повний текст джерелаCobiac, Michael D. "Predicting native pasture growth in the Victoria River district of the Northern Territory." 2006. http://hdl.handle.net/2440/36784.
Повний текст джерелаThesis(PhD)-- School of Agriculture, Food and Wine, 2006
Cobiac, Michael D. "Predicting native pasture growth in the Victoria River district of the Northern Territory." Thesis, 2006. http://hdl.handle.net/2440/36784.
Повний текст джерелаThesis(PhD)-- School of Agriculture, Food and Wine, 2006
Kambatuku, Jack Ratjindua. "Ecophysiology of encroaching Acacia mellifera in intra- and inter-specific interactions." Thesis, 2010. http://hdl.handle.net/10413/10786.
Повний текст джерелаThesis (Ph.D.)-University of KwaZulu-Natal, Pietermaritzburg, 2010.
Abakah, Fitzgerald. "Exploring mathematics learners’ problem-solving skills in circle geometry in South African schools : (A case study of a high school in the Northern Cape Province)." Diss., 2005. http://hdl.handle.net/10500/27360.
Повний текст джерелаMathematics Education
Abakah, Fitzgerald. "Exploring mathematics learners’ problem-solving skills in circle geometry in South African schools : (a case study of a high school in the Northern Cape Province)." Diss., 2019. http://hdl.handle.net/10500/27360.
Повний текст джерелаMathematics Education
M. Sc. (Mathematics Education)
Ushendibaba, Mhaka. "Using electromagnetic methods to map and delineate high-grade harzburgite pods within the Ni-Cu mineralised Jacomynspan ultramafic sill, Northen Cape, South Africa." Thesis, 2016. http://hdl.handle.net/10539/21007.
Повний текст джерелаThe Jacomynspan Ni-Cu sulphide mineralisation is hosted within a 100m thick steeply dipping tabular, differentiated, sill of mafic to ultramafic composition intruded into country gneissic rocks of the Namaqualand Metamorphic complex. This sill is predominantly composed of tremolite schist (metamorphosed pyroxenite) containing lenticular bodies of harzburgite. The harzburgite generally hosts net-textured mineralisation with up to 50% by volume of the rock. Massive sulphide veins and stringers are occasionally present within the harzburgite. The sulphide minerals are a typical magmatic assemblage of pyrrhotite, chalcopyrite and pentlandite. The sill covers an approximate strike length of about 5km but only a small portion covering 1km x 1km was selected for this study. Physical property studies carried out on the drill core (magnetic susceptibility and conductivity) indicate that the country gneissic rocks are not conductive and neither are they magnetically susceptible. However, the mineralized sill has elevated values of both magnetic susceptibility and relative conductivity compared to its host making it a suitable target for both magnetic and electromagnetic inversion. Drilling done so far on the study area has shown that the well-mineralised harzburgite (hosted within the poorly mineralised ultramafic sill) is not a continuous body but occurs in ‘pockets’. There is therefore need to use the available geophysical and geological datasets to derive a model of these well mineralised pods. This study is therefore intended to assess the feasibility of using electromagnetic (EM) methods together with other geophysical methods and geology in obtaining a model of the harzburgite pods hosted within the less conductive poorly mineralised ultramafic sill in order to guide further drilling. Geosoft’s VOXI Earth Modelling software was used to model the high resolution airborne magnetic data for this study. Cooper’s Mag2dc (www.wits.ac.za) and Stettler’s Magmodintrp software (personal communication, 2015) was also used during modelling of the magnetic data to compliment the modelling from VOXI. The mineralised ultramafic sill was clearly mapped in both the 3D model representation from Mag2dc modelling and VOXI’s 3D unconstrained smooth model inversion for the study area. Based on the physical properties studies carried out on the study area, EM data (both ground and downhole EM) were modelled using Maxwell software. The poorly mineralised tremolite schist was clearly modelled. In order to better constrain the targets, an assumption was made that at late decay times the currents would be focused in the centre of the large EM plate probably giving an indication of the most conductive part of the intrusion. Smaller ‘Resultant EM plates’ of dimensions, 300mx300m that coincide with the centre of the large EM plates (with a conductance above 100S) were constructed in iv Maxwell software and integrated with the DXF file of the Micromine geology model of the well mineralised harzburgite clearly mapping the well-mineralised harzburgite and showing its possible extensions. 2D inversion modelling was conducted on all audio-frequency magnetotelluric (AMT) data for this study area. The modelling results clearly mapped the mineralised intrusion.