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Bao Cao

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Proceedings Article | 30 October 2009 Paper

A new space-time information expression and analysis approach based on 3S technology: a case study of China's coastland

Bao Cao, Hong Luo, Zhenji Gao

Proceedings Volume 7494, 749417 (2009) https://doi.org/10.1117/12.828960

KEYWORDS: Analytical research, Humidity, Knowledge management, Information fusion, Visualization, Meteorology, Information technology, Statistical analysis, Temperature metrology, Geographic information systems

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Space-time Information Expression and Analysis (SIEA) uses vivid graphic images of thinking to deal with information units according to series distribution rules with a variety of arranging, which combined with the use of information technology, powerful data-processing capabilities to carry out analysis and integration of information units. In this paper, a new SIEA approach was proposed and its model was constructed. And basic units, methodologies and steps of SIEA were discussed. Taking China's coastland as an example, the new SIEA approach were applied for the parameters of air humidity, rainfall and surface temperature from the year 1981 to 2000. The case study shows that the parameters change within month alternation, but little change within year alternation. From the view of spatial distribution, it was significantly different for the parameters in north and south of China's coastland. The new SIEA approach proposed in this paper not only has the intuitive, image characteristics, but also can solved the problem that it is difficult to express the biophysical parameters of space-time distribution using traditional charts and tables. It can reveal the complexity of the phenomenon behind the movement of things and laws of nature. And it can quantitatively analyze the phenomenon and nature law of the parameters, which inherited the advantages of graphics of traditional ways of thinking. SIEA provides a new space-time analysis and expression approach, using comprehensive 3S technologies, for the research of Earth System Science.

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