GIS And Australian Agriculture

The GIS and Australian Agriculture geographic schooling systems are a combination of global positioning systems, which give longitude, latitude and elevation, mental strain imagination, aerial photography, existing maps, inflict info and estimator systems. all told in all this culture is concurd to form the GIS. The result is stored computer information containing info ab step up the Earths come to the fore that nominate be printed out or viewed directly from the computer. A possible disadvantage with the introduce of info by digitising write up maps or satellite imagery is that the data whitethorn non be accurate, so premeditation should be taken with data reli energy. GIS technology integrates common database operations such as doubtfulness and statistical epitome with the crotchety visualization and geographic analysis benefits offered by maps. GIS has benefits not precisely in storage and unwrap of data, but as well in the ability to bring toge ther milieual data sets sedate by variant methods, and to integrate them together for improved data extraction and focal point. GIS displays green goddess be integrated with reports, three-dimensional views, photographic images, and separate output such as multimedia. It gives the power to envisage scenarios, crop complicated problems, represent powerful ideas, and develop impressive solutions deal never before. These abilities account GIS from separate information systems and cook up it valu qualified to a wide range of public and insular enterprises for explaining events, predicting outcomes, and planning strategies. The ability to bring together the results of conventional champaign mapping, satellite base interpretations of geographical structure, multi-sourced geophysical data and the results of regional surveys, and then to metamorphose the system of weights given to the different parameters bunghole provide a laughable insight into, for example, the lo cation of champaigns that may potentially b! e seeed by brininess. The addition of topography, together with factors such as grassroots hydrological and climatic information, population distribution, ecologic factors, and bring in call takes peerless to the stage of planning and environmental impact. The power of such a tool is that variations in weighting git be do to explore how the natural environment is best utilized and protected, and how various factors may interact and affect each other. GIS technology also offers many tools for manipulating spatial data and ignoring un inevitable data. The output generated by GIS is in forms which are good understood and use by land holders and land management authorities. Often the output is in the form of colour-coded maps showing orbital cavitys with different levels of a quality of please; for example, highly fertile areas, areas in which plants show signs of stress and uninspired areas. This information is usable for supervise problems, developing effective strate gies for advance and analysing the success of these strategies. GIS is particular propositionly useful for monitor problems because it gives us a large scale view at a catchment or multi-catchment level. Monitoring also contributes to the organic evolution of strategies to solve the problems. An consciousness of how table salt affected areas are link to other features of the beautify, such as land use or topography, helps us lay causes of the problem. It also lets us target amelioration strategies either to the worst affected areas, or to the areas in which the scheme go out be most effective. Areas at risk mogul out be identified and preventative action taken. In addressing problems like salinity, erosion and declining fertility it is often useful to identify ersatz land uses which al first-class honours degree control the problems while maintaining the economic feasibleness of the heighten. GIS female genitals be used to match features of the landscape painting with requirements for industries sustainable in the ! long-term. Once strategies drop been implemented, continued monitoring tells us whether they are improving the situation, the problem is worsening, or an labyrinthine sense has been reached. just about of the major challenges to agriculture faced right a representation - such as salinity, erosion, and declining fertility - have a particular geographic dimension. The particular force-out of GIS is the power of being able to combine nonparasitic data sets, which cross traditional boundaries (geology, environmental science, engineering), and thereby solve problems that can be difficult to declaration by other means. Thus, for example, a map of annual tarnish loss can be computed by combining digital maps of annual rain piddle, soil erodibility, slope angle, length of slope and land cover information in a simple arithmetical overlay operation. The essentially spatial nature and constituents of the landscape, together with the catamenia of materials such as soil, water, en ergy and even species between landscape elements, constitutes both a fixed and time varying forge that the GIS system can handle quite effectively.

The outputs of such border are maps that can be used as a basis for land use planning, identification and management of environmentally sensitive areas. GIS is a helpful tool in furbish up these problems that cast down farm productivity. Adding drains to remove excess winter rainfall as speedily as possible can reduce salinity. This requires the building of drains in the affected areas on a farm. GIS can be used to see where the drains are needed and leave help with deciding on the orientation of the drains so that the water is carried a way where it ordain not create further problems. me! et of water practical application during any rainfall cessation is very important which will minimise recharge to groundwater. provide water application is necessary and GIS can help with this also. shifting climates, cultivation, overstocking, lack of vegetation and salinity can all dispose to erosion. Using GIS to reduce salinity may also be a step towards reduce erosion if the eroded area is found to be spicy by GIS. Another way erosion may be reduced by GIS is by looking at an area that is predisposed to erosion because of inconstant climate and a demoralize soil type with low vegetation cover. This area should have more pasture on it before stocking, minimal plowland should be applied and overstocking should be avoided. Declining fertility is an important GIS application. attain is not uniform in its fertility, even over comparatively small areas so fertilizer need not be applied uniformly. GIS can use the relationship among versatiles such as nutrient values, s oil types and moisture levels to create fertiliser prescription configuration maps that are used with variable rate application subject area equipment to improve yields. This will increase profits, in turn alter land owners to couch more into the farm to increase output. GIS technology integrates common database operations such as query and statistical analysis with the unique visualization and geographic analysis benefits offered by maps. The particular strength of GIS is the power of being able to combine independent data sets, which cross traditional boundaries (geology, environmental science, engineering), and thereby solve problems such as salinity, and soil erodibility, that can be difficult to split by other means. References: Environmental Informatics, Geographic Information Systems, 2000, http://webraft.its.unimelb.edu.au/212205/prot/pres/geoginfsyst/ If you penury to get a affluent essay, order it on our website: OrderEssay.net

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