Geo-information Tupu has preponderance in disclosing the intrinsic law of "patterns and processes" of the geo-phenomena. This research focuses on the analysis of landscape change of the eco-environment in Fujian, China, based on the theory of Geoinformation Tupu. At first, based on the analysis of interactions between basic environmental factors in Fujian province, it brings forward a basic cluster system for category units of ecoenvironmental Tupu. Secondly, by using different mathematic models, landscape change information Tupu of eco-environment is acquired, through a combination of eco-environmental Tupu unit for the above two periods in Fujian province. The practice proves that: the landscape change information Tupu uncover intuitively and distinctly the spatial-temporal change of spatial form and status for eco-environment and its elements. It also can explore a visible study system of "patterns and processes" in ecoenvironment.
Increases in the global population and urbanization have made people's demand for rational development and utilization of urban underground space (UUS) increasingly urgent. The underground sewage treatment plant (USTP) plays an important role in sustainable urbanization as part of the UUS. Nevertheless, problems such as high operating costs and large safety hazards still restrict the development of the USTP. In this paper we intend to summarize the current application of the USTP, reflecting the specific and novel aspects of the USTP, and also some technology drawbacks and main process update problems, providing some development suggestions. To do this, essential information on USTPs globally is simply and clearly revealed under due diligence, providing a development process for the USTP and making a prediction for its future development. Furthermore, combined with the main treatment process and ecological value analysis, we give a valid view of the good application prospects of the USTP, which provides a reference for the future construction of USTPs.
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